What's New? - www.navy-radio.com

• I'll try to remember to update this page when I add any substantial new content to the web site
• Last update 11/13/2024
• Any corrections, comments, additional info, photos, etc. - please send me e-mail
• Thanks, Nick K4NYW
• Back to Main Navy Radio Page

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• "Welcome!" to all AI content scrapers - who knows, you might learn something worthwhile  
•       
• Nov 2024 - VHF/UHF transmitters-transceivers - added AN/PRC-33 photos and info
• Nov 2024 - USS Northampton CLC-1 - added 1958 LANTFLEX 1-58 Cruise Book
• Nov 2024 - AN/URC-8 Transmitter-Receiver - added manual
• Nov 2024 - Transmitter Manuals - added TDD-5 manual
• Oct 2024 - Transmitter Manuals - added TBL-5/6/7/12/123 manual and motor-generator drawings
• Oct 2024 - Midway Comm Unit - added photos from Jim Shepperd
• Oct 2024 - Teletype Belts - added more info
• Sep 2024 - NAVCOMMSTA Norfolk - added link to article on NAVRADSTA (R) Northwest
• Sep 2024 - Tape Relay - added 1958 description of organization
• Sep 2024 - Tape Relay Equipment - added photos/info on 1950s-era equipment
• Sep 2024 - TBY Transceiver  - added external antenna 66089 manual - thanks to Rob K2WI
• Sep 2024 - Loudspeakers - added LS-443/WIH, LS-444/WIH Manual - thanks to K7HUE
• Aug 2024 - R-390A/URR Drawings - Complete R-390A schematic thanks to John N3JKE - one large (188" x 40") sheet - pdf   jpeg
• Aug 2024 - R-390A/URR Receiver - added Signal Corps Manufacturing Drawings (approx 1000 sheets)
• Aug 2024 - Receiver Manuals - added AN/FRR-24 manual pdf (100MB)
• Aug 2024 - AN/FRR-24 Configuration - added Cabling Diagrams for 4 racks
• Aug 2024 - Transmitter Manuals - added TBK-20 and TBM-11 preliminary manuals
• Aug 2024 - Transmitter Manuals - added complete T-827H/URT Manual (original version) - thanks to Gary WA6MEM
• Aug 2024 - WW2 Ship/Shore Transmitters - added info on all TBK models
• July 2024 - Transmitter Manuals - added TCZ manual - thanks to Brown W1NZR
• July 2024 - Transmitter Manuals - added TBW-4 manual - thanks to Mark K3MSB
• July 2024 - Mystery Equipment - added F-1523/SR - 4-8 MHz Band Suppression Filter
• July 2024 - Direction Finding Receivers - added AN/URD-2 system
• June 2024 - Shipboard Radio Rooms - started page for USS Lexington CV-16
• June 2024 - FSK Equipment Manuals - added Harris RF-3352 FSK Terminal Unit
• June 2024 - Teletype Corp Manuals - added lots of 572 series BSPs for Model 14, 15, 20 - thanks to Tom WB2TTY
• June 2024 - Maintenance Manuals - added more chapters of Electronic Installation Practices Manual
• May 2024 - Shipboard Transceivers - added AN/URC-109 System Brochure/Specs
• May 2024 - Shipboard Radio Equipment - Typical Shipboard Communications Equipment in 2000
• May 2024 - Receiver Manuals - added R-1051E/URR manual
• May 2024 - Teletype Gears - added W2DLT gear chart for Model 14, 15, 28
• May 2024 - Communications. Command, Control - added info on AN/SRC-16 and AN/USC-27 radio systems - thanks to Collins Collectors Association
• May 2024 - ELF Communications - added link to video presentation
• May 2024 - Directory of Communications Equipment - finally added missing sections AN/SRA-15A to CV-172/U in 1.2 Auxiliary
• Apr 2024 - Morse Code Training Records - added more MP3 audio files - thanks to Daniel K6YIC 
• Apr 2024 - Dovetron RTTY Equipment - added photos of some models
• Apr 2024 - Transceiver Manuals - added AN/SRC-16 Checkout/Maintenance Manual - thanks to Collins Collectors Association
• Apr 2024 - Frederick RTTY Equipment Manuals - added Model 1273 and Model 1632A manuals - thanks to Howard VA7ZU
• Apr 2024 - Morse Code Training Records - added more MP3 audio files - thanks to Daniel K6YIC 
• Apr 2024 - AN/URT-23 Exciter Info - added Harris RF-131 Exciter photos and manual
• Mar 2024 - Morse Code Training Records - added MP3 audio files - thanks to Daniel K6YIC
• Mar 2024 - Radioteletype RATT - added info on Mark-High vs Mark Low and 2550 Hz AFSK vs 2000 Hz AFSK
• Mar 2024 - Transmitter Manuals - added TDF Partial Manual (thanks to Elden)
• Mar 2024 - Cutler VLF Transmitter Site - added 1959 photos, 1960s photos, and 2024 high-res photos
• Mar 2024 - Morse Code Training - added some more AN/UGH-1 info and some more records
• Mar 2024 - Teletype Corp. Manuals - added 28ASR Gear Chart
• Mar 2024 - Teletype Wiring Diagrams - added AN/UGC-6K (28 ASR) diagrams
• Mar 2024 - Frederick RTTY Equipment Manuals - added Model 1306 Message Generator Manual
• Feb 2024 - Receiver Manuals - Added AN/FRR-28 Dual Diversity Receiver Manual
• Feb 2024 - Receiver Manuals - added AN/FRR-27, AN/FRR-30, AN/FRR-31 manuals
• Feb 2024 - Shipboard Antennas - added photos and info on NT-66097 LF/VLF Loop
• Feb 2024 - Transmitter Manuals - fixed foldout diagram pages in AN/WRT-2 Transmitter Manual
• Feb 2024 - Antenna Manuals - added AT-317/BRR VLF Loop Antenna Manual
• Feb 2024 -  FSK Equipment Manuals - Added Boehme 5-C Frequency Shift Converter Manual
• Feb 2024 - Antenna Coupler Manuals - added CU-1099/FRR receive multicoupler manual
• Feb 2024 - Receiver Manuals - added AN/FRR-59 AN/WRR-2 manual
• Feb 2024 - Receiver Manuals - added changes T-1 to T-4 for AN/FRR-59() AN/WRR-2() manual
• Feb 2024 - Links - added novels by Guy Thompson featuring Naval Communications (the Torn Tape Relay one is my favorite)
• Feb 2024 - Crypto Equipment - added TSEC/HW-8 Transmission Delay Compensator
• Feb 2024 - Transmitter Manuals - added AN/SRT-17(XN-1) HF Transmitter Manual
• Feb 2024 - AN/URC-32 Transceiver - updated URC-32 manual vol 1
• Feb 2024 - 82B1 Relay System - added photo of NAVCOMMUNIT Trenton 1972
• Feb 2024 - USS Wright CC-2 - added more info/photos on SVLF 10,000' antenna helicopter hoist
• Feb 2024 - Other RTTY Equipment Manuals - added Electrocom FSC-250 Converter and TH-100 Tone Keyer manuals
• Feb 2024 - FSK Equipment Manuals - added TS-2616/UGM Teletype Test Set Manual
• Jan 2024 - Transceiver Manuals - added AN/PRC-40 VHF FM Transceiver Manual - thanks to Daniel K6YIC
• Jan 2024 - Transceiver Manuals - added AN/PRC-73 VHF FM Handheld Transceiver Manual
• Jan 2024 - FSK Equipment Manuals - added AN/URA-8 Frequency Shift Converter Manual
• Jan 2024 - Shore Station Antennas - added Naval Air Station UHF antenna section
• Jan 2024 - Antenna Manuals - added AS-768/GR and AS-768A/GR UHF Antenna Manual
• Jan 2024 - Teletype Apparatus Codes - added M14 and M15 info
• Jan 2024 - FSK Equipment Manuals - added KY-58/GRT and KY-75/SRT FSK Keyer Manual
• Jan 2024 - FSK Equipment Manuals - added KY-30/GRT FSK Keyer Manual
• Jan 2024 - Receiver Manuals - added AN/WRR-3 Manual
• Jan 2024 - AN/FRR-24 Receiver Family - started a page recording serial numbers
• Jan 2024 - Antenna Manuals - added AN/FRA-109 Transmitting Antenna System Manual
• Jan 2024 - FSK Equipment Manuals- added KY-655/FRT Frequency Shift Keyer manual
• Jan 2024 - HAL Manuals - added DSRTTY-WIN terminal software CD-ROM files - thanks to AWA Museum
• Jan 2024 - BRPE High Speed Paper Tape Punch - added some more info
• Jan 2024 - Antenna Tuner Manuals - added AN/BRA-6 Tuner Manual
• Jan 2024 - FSK Equipment Manuals - added RD-92A/UX Facsimile Recorder Manual
• Jan 2024 - FSK Equipment Manuals - added AN/URA-8A AFSK Converter Manual
• Jan 2024 - FSK Equipment Manuals - added AN/URA-6 and AN/URA-7 FSK Converter Manual 
• Jan 2024 - Auxiliary Equipment Manuals - added CV-591A/URR manual
• Jan 2024 - AN/URT-2, -3, -4 Transmitters - added Maintenance & Repair Training Notebook
• Jan 2024 - Transmitter Manuals - added AN/URA-23A sideband exciter manual
• Jan 2024 - FSK Equipment Manuals - added URA-17 manual changes for URA-17A, URA-17B, URA-53
• Jan 2024 - Auxiliary Equipment Manuals - added MX-1743A/SRC & MX-1743B/SRC (control adaptor for TCS) manual
• Jan 2024 - FSK Equipment Manuals - added FRA FSK receive converter manual
• Jan 2024 - Auxiliary Equipment Manuals - added O-165/UR Master RF Oscillator manual
• Jan 2024 - Test Equipment Manuals - added AN/URM-25D manual
• Jan 2024 - Auxiliary Equipment Manuals - added MX-1743/SRC (control adaptor for TCS) manual 
• Jan 2024 - Transmitter Manuals - added TCZ-2 manual
• Jan 2024 - Puzzlers - added a Mystery Keyboard
• Dec 2023 - Navy Teletype Manuals - added AN/UGC-20B manual
• Dec 2023 - Teletype Equipment Manuals - added Flesher TU-300 manual - thanks to John W9DDD
• Dec 2023 - Teletype Patch Panel Connection Info - created new page
• Dec 2023 - Teletype Patch Panels - added SB-4034/UG photos and  SB-4035/UGQ drawings
• Dec 2023 - Kleinschmidt Manuals & Equipment - added more photos
• Nov 2023 - Test Equipment Manuals - added TS-1771/U RF Power Test Set manual
• Nov 2023 - HAL RTTY manuals - added a bunch  - (thanks to Jay WS7I)
• Oct 2023 - Transceiver Manuals - added Eldico S-100 manual NAVSHIPS 93127
• Oct 2023 - Teletype Wiring Diagrams - added more scans 5072WD-5826WD - thanks to RTTY Electronics
• Sept 2023 - Manuals - added Shipboard Damage Control Communications training document - thanks to Hue K7HUE
• Sept 2023 - Equipment Catalogs - added 1962 USMC Electronic Equipment Reference Manual   - thanks to K6YIC
• Sept 2023 - Test Equipment Manuals - added AN/USM-116 Electronic Multimeter Manual - thanks to K6YIC
• Aug 2023 - Navy Gray Paint - added info on the correct color for Navy communications equipment
• July 2023 - Receiver Manuals - added AN/URR-35C manual and AN/URR-27 manual - thanks to K6YIC
• July 2023 - Test Equipment Manuals - added AN/URM-26A manual and OS-8C/U & OS-8E/U manual - thanks to K6YIC
• July 2023 - Antenna Manuals - added AT-150/SRC & AS-390/SRC manual - thanks to K6YIC
• July 2023 - Antenna Manuals - added AN/SRA-17(XN-1) LF/VLF antenna  manual - thanks to K6YIC
• July 2023 - Antenna Coupler Manuals - added AN/SRA-12 and AN/SRA-12A manual - thanks to K6YIC
• July 2023 - Receiver manuals - added AN/APR-1 and AN/SPR-1 manual - thanks to K6YIC
• July 2023 - Aux Equipment Manuals - added AM-215A/U manual NAVSHIPS 91078 - thanks to K6YIC
• July 2023 - Receiver manuals - added RBL/RBL-1/RBL-3, RCK, RBW-2, RDP manuals - thanks to K6YIC
• July 2023 - Aux Equipment Manuals - added NAVSHIPS 900,777 for CQC-23445 RDZ/TDZ remote control unit - thanks to K6YIC
• July 2023 - Maintenance Manuals - added May 1963 Semiconductor Device Replacement Guide - thanks to K6YIC
• July 2023 - Equipment Catalogs - added Test Equipment Data Handbooks - thanks to K6YIC
• July 2023 - Equipment Catalogs - added 1945 Electronic Equipment Type Allowance Booklet - thanks to K6YIC
                    (lists all electronic equipment for each ship type (AGC, BB, CVE, DD, etc.)
• July 2023 - Receiver manuals - Added AN/SRR-19 low frequency receiver manual
• June 2023 - Manuals- added 1963 Naval Communications Bulletin
• June 2023 - Manuals - additions thanks to K6YIC
          MIL-HDBK-213A Tube cross index, 
          NAVSHIPS 900171 Ch. 5 Connectors, 
          NAVSHIPS 900102 Transmission lines and fittings,  
          MIL-STD-196A AN/ nomenclature
• June 2023 - Test Equipment Manuals - added AN/TRM-1 manual and AN/USM-3A manual - thanks to K6YIC
• June 2023 - Manuals - added 1964 catalog of Military Electronic Test Equipment - thanks to K6YIC
• May 2023 - BuShips Electron Magazine - finished scanning all issues July 1945 to May 1952 - thanks to Hue K7HUE
• May 2023 - Handsets - added "WANTED - Info on H-169/U handset hanger"
• May 2023 - Handsets - added SA-770/UR handset switchbox
• May 2023 - Communication Equipment Catalogs - created page for MIL-HDBK-161 downloads - scans thanks to K6YIC
• May 2023 - Aux Equipment Manuals - added TS-629A/U Audio Level Meter manual
• Apr 2023 - Torn Tape Relay Equipment - added photos and schematic of TT-206/U Word Counter
• Apr 2023 - Transmitter Manuals - added AN/URT-24 manual
• Apr 2023 - AN/FRD-10 CDAA systems - added info on AN/GRA-96 and AN/GRA-98
• Apr 2023 - Memorabilia - added more patches, mugs, and lighters
• Apr 2023 - Tape Recorders - added more AN/UNQ-7() info
• Apr 2023 - Aux Equipment Manuals - added C-1004/SG control box manual
• Apr 2023 - TTY Signal/FSK Equipment Manuals - added complete manuals for SB-1203, SB-1210 and SB-1203A, SB-1210A
• Mar 2023 - Crypto Equipment - added additional KL-7 photos
• Mar 2023 - Comm Stations - created NKA NAVCOMMSTA Asmara page with photos, etc.
• Mar 2023 - Test Equipment Manuals - added LN RF Oscillator manual - thanks to Sam KG6WYZ
• Mar 2023 - Transmitter Manuals - added AN/SRT-15 transmitter SSB Adapter manual - thanks to AE6SD 
• Feb 2023 - Navy Teletype Manuals - added Model 28 Compact KSR/RO Manual covering AN/UGC-20, AN/UGC-25, AN/UGC-77, etc.
• Jan 2023 - HF Transmitters - added additional URT-22 info
• Jan 2023 - Shipboard Transmitters - added SRT-17(XN-1) photo and block diagram
• Jan 2023 - NAA Arlington - added some more photos
• Jan 2023 - Dovetron manuals - added high resolution schematics
• Jan 2023 - Crypto equipment - added manual for SB-3195/U switchboard (thanks to Steve W7SKC)
• Dec 2022 - NWC Harold Holt VLF site - added page with lots of photos of construction
• Dec 2022 - Misc RTTY Info - Created Info-Tech Page
• Dec 2022 - HAL RTTY page - added CRI-200 photos
• Dec 2022 - Teletype Wiring Diagrams - added many new ones in this directory
• Oct 2022 - WW2 Transmitters - added info on Philips SVC100L/110 made in Australia for US Navy
• Oct 2022 - Pre-War Comm Stations - added links to Society of Wireless Pioneers photos and articles (see also NAA and NPG pages)
• Oct 2022 - Jim Creek VLF NAVRADSTA (T) - added 1949 article on construction
• Oct 2022 - WW2 HF Transmitters - added photos and manual for TDB (Radiomarine ET-8019-A)
• Oct 2022 - NAVRADSTA(T) Battle Point - added article from April 1949 BuShips Electron magazine
• Sep 2022 - General Dynamics SC-series - created page on predecessor to RT-618, R-1051, T-827, etc. 
• Sep 2022 - Shipboard HF Transmitters - added more photos on AN/URT-23 variants
• Sep 2022 - Training Schools and Naval Reserve - created new page for photos and materials
• Sep 2022 - Transmitter Switchboards - added SB-863/SRT and SB-2744/SRT photos
• Sep 2022 - Transmitter Components (TMC) - added O-459/URT VFO photos and info
• Sep 2022 - Teletype Manuals - added High Speed Tape-to-Tape BSPs - thanks to John W9DDD
• Sep 2022 - Teletype Wiring Diagrams - added High Speed Tape-to-Tape Diagrams - thanks to John W9DDD
• Aug 2022 - Western Union Manuals - added another version of Teleprinter Maintainers Manual - thanks to Joe D.
• Aug 2022 - Teletype Corp Specifications - Added 5167S -Part-Line Station Selector for Model 15 Printers - thanks to Joe D.
• Aug 2022 - BuShips Electron Magazine - created new page and started scanning - lots to do!
• Aug 2022 - RIP-5 Katakana Mill - added Radio Intercept Instructions including Glossary
• Aug 2022 - AN/FRR-32 Diversity Receiver - added manual pdf
• Aug 2022 - T-827/URT exciter - added more info on various models and modules
• July 2022 - Pre-war Comm Stations - added excellent article on early days of NPL at Point Loma
• July 2022 - Shipboard Radio Photos - added 1956 Met Office on USS Hancock CVA-19
• June 2022 - Pre-war Comm Stations - added more photos to Cavite (including tower demolition)
• June 2022 - Diversity Receivers - added more photos of RDM triple diversity system
• June 2022 - HF Transceivers - added URC-94 info and photos
• May 2022 - Receiver Manuals - added R-274B/FRR manual NAVSHIPS 91661
• Apr 2022 - AN/SRC-20, -21, URC-9 - added 1973 manual - thanks to K6YIC
• Feb 2022 - AN/URC-119 HF Transceiver (Harris RF-350K) - added info and photos
• Feb 2022 - NAVCOMMU Key West - added some photos and a magazine article
• Feb 2022 - NQM Midway Islands - added photos thanks to Charles Kinzer
• Feb 2022 - Puzzlers - added magic eye indicator
• Jan 2022 - Pre-War Comm Stations - added 1921-22 photos of NPU Samoa
• Jan 2022 - Teletype Tools and Tool Kits - created new page
• Dec 2021 - USN Christmas/Holiday Cards - pre WW2 COMMSTA and Ship cards
• Dec 2021 - BuShips Journal Articles - added Development of Frequency Synthesizers - December 1960
• Dec 2021 - BuShips Journal Articles - added Facsimile Recorder AN/UXH-2 - July 1956
• Dec 2021 - Equipment Catalogs - added Test Equipment for Airborne Electrical and Electronic Equipment
• Nov 2021 - 1945 Naval Air Station ATC Tower Radio Communications Control System - created page - thanks to Hue Miller
• Nov 2021 - COMMSTA page - added 1964 Houston Naval Reserve Training photo
• Nov 2021 - WW2 Ship/Shore Transmitters - created page on TEG and TEG-1 LF/HF transmitters
• Nov 2021 - Maintenance Manuals - added 1980 version on EIMB Test Methods and Practices 0967-LP-000-0130 
• Nov 2021 - Maintenance Manuals - added 1977 revision of EIMB Installation Standards 0967-LP-000-0110
• Nov 2021 - Auxiliary Equipment manuals - added SB-82/SRR receiver switchboard manual - thanks to Hue Miller
• Nov 2021 - Teletype Corp Manuals - added FAA training manuals
• Nov 2021 - Teletype Corp Manuals - added Cross-Index of 570-series sections (really helpful!)
• Nov 2021 - Teletype Corp Manuals - added link to "History of the Teletypewriter" Video presentation by Duncan Brown, AWA Museum
• Nov 2021 - T-827/URT transmitter exciter - created new page with model differences
• Oct 2021 - Teletype Corp Manuals - added Test Sets TS-2/TG, TS-2A/TG, TS-2B/TG - Army TM 11-2208 -  (thanks to Joe Duszyński)
• Oct 2021 - Teletype Corp Manuals - added scans of 28ASR manuals 312B vol 1, 2, 3
• Oct 2021 - Early Navy Radioteletype - added link to "Military Teletypewriter Systems of World War II"
• Oct 2021 - Navy Teletype Manuals - added NAVSHIPS 95898 for AN/TGC-14. TT-298, TT-299
• Oct 2021 - Receiver Manuals - added 1970 USN R-390A manual 0967-063-2010
• Sep 2021 - Navy Teletype Manuals - added AN/UGC-136AX manual
• Sep 2021 - AN/FRR-24 Receiver - added page on Vectron bandpass filters
• Aug 2021 - Diversity Receivers - added new page on Crosby SSB Diversity Receiver
• July 2021 - Crypto Equipment - added many photos thanks to National Cryptographic Museum
• July 2021 - Teletype Equipment - added photos of USMC AN/TGC-29 MITE ASR
• June 2021 - Comm Stations - added NPL3 FASWS San Diego
• June 2021 - Shipboard HF Transmitters - added AN/URT-23 restoration page
• June 2021 - Transceiver Manuals - added AN/PRC-40AX download
• June 2021 - Kleinschmidt Manuals - added FGC-25, FGC-26, FGC-57 Maintenance Manual
• June 2021 - Shipboard Equipment - 1995 List of Shipboard Communications Equipment for Shipyard Overhaul
• June 2021 - Transceiver Manuals - added 1973 AN/URC-9 manual
• June 2021 - Transmitter Equipment Manuals - added MD-777/FRT manual
• June 2021 - Transmitter Equipment Manuals - added AN/FRT-83 manual
• June 2021 - Shipboard Radio Rooms - added hi-res USS Mauna Kea AE-22 and USS Pyro AE-24 photos
• June 2021 - Teletype Springs - created new page
• June 2021 - Receiver Manuals - added AN/FRR-26 manual pdf
• May 2021 - Auxiliary Equipment manuals - added AM-4453/U amp-speaker manual- thanks to K6YIC
• April 2021 - Maintenance Manuals - added 1952 Wire and Cable Sizes For Navy Standard Cables
• April 2021 - Equipment Catalogs - added NAVPERS 10835A "Electronics Administration and Supply"
• April 2021 - Directory of Communication Equipment - added final section of Supplement 3
• Mar 2021 - Crypto Equipment - added TSEC/KL-7 manual - thanks to Bill Neill
• Mar 2021 - Crypto Equipment - added TSEC/KW-7 manuals - thanks to Bill Neill
• Mar 2021 - NWC Harold E Holt transmitter site - added great photos from Tom Kravcar
• Feb 2021 - Navy/Marine Corps MARS - added "The MARS Operator" pdf
• Feb 2021 - Auxiliary Equipment Manuals - added Amplifier/Compressor AM-413/G Manual
• Jan 2021 - Teletype Tape Relay - US Army Comm Center Info Sheets
• Jan 2021 - Teletype Tape Relay - 1958 Proposal for a multi-ship teletype relay system
• Dec 2020 - Replacing the Model 28 Typing Reperforator Hammer Head
• Dec 2020 - 1900's Radioman Memoir - shipboard and shore station
• Dec 2020 - NAVCOMMSTA Puerto Rico history - 1907 - Radioman at San Juan
• Dec 2020 - Teletype Manuals - added Model 28 Family Protoype Info, Artist's Conceptions, and Photos
• Nov 2020 - Teletype Manuals - added 106MA for WM200 Word Counter
• Nov 2020 - Teletype Manuals - added 224B (BCUI High Speed Punch Control) and 1162B (M28 Rack-mount Printer parts)
• Nov 2020 - Teletype Catalogs - added the complete 1948 Equipment Descriptions Catalog
• Nov 2020 - Teletype Sales Brochures - added 1954 Torn-Tape Equipment and 1954 Model 28 Printer brochures
• Nov 2020 - Teletype Model 28ASR Prototype - new page and photos
• Oct 2020 - Teletype Corp. Manuals - added a batch of Model 37 manuals
• Oct 2020 - Frederick TTY Signal Equipment - new page with photos of Baudot-Morse converters and others
• Sep 2020 - Receiver Manuals - added 1986 R-1051D/URR manual
• Aug 2020 - FSK Equipment Manuals - added AN/URA-17D (CV-483D) manual
• Aug 2020 - Test Equipment Manuals - added AN/URM-25 manual (NAVSHIPS 91283) - thanks to Hutch
• Aug 2020 - Comm Stations - created new page for NAVCOMMSTA Port Lyautey Morocco
• July 2020 - Crypto Equipment - added operating procedure info for KWR-37/KG-14, KW-7, and KWX-8
• July 2020 - Crypto Equipment - added info on KWX-8/TSEC remote control for TSEC/KW-7
• July 2020 - Training Manuals - added 1984 Radioman A School Student Guide - thanks to Google Books
• July 2020 - AN/URC-32 Transceiver - added Overhaul and Repair Instructions Manual
• July 2020 - Equipment Manuals - added Logistic Support Summary for AN/WRC-1 Family
• July 2020 - RATT/RTTY Terminal Units - added photos and info on CV-3883/UG (Dovetron TEMPEST TU)
• July 2020 - Naval Communication Officers School Newport - added history and info
• July 2020 - Crypto Systems - added manual for control of AN/FGQ-1 TEXT-CIPHER mode by Model 28 Teletype equipment
• July 2020 - RBB & RBC Receivers - added photos and info on rack-mount cabinet versions
• July 2020 - Facsimile - added photos of CV-472/FGX diversity receive converter
• July 2020 - High Speed Morse - added photos of MX-439A/U Boehme Keying Head Drive
• June 2020 - HAL manual downloads - thanks to HAL Communications and the AWA Museum
• June 2020 - Teletype Tape Relay Centers - added four US Army Signal Center Publications
• June 2020 - Teletype Model 40 - added link to video of a working M40 printer
• June 2020 - Manuals - added 1992 edition of Shipboard Electronics Materials Officer - thanks to Google Books
• June 2020 - Handsets/Headsets - added more photos and NAVSHIPS 91955 Handbook of Electronic Acoustic Parts
• June 1920 - Facsimile - added photo of 1927 photo-radiogram apparatus
• June 2020 - Mobile VLF Transmitters - added info on AN/MRC-99 (XN-1) Transportable VLF System
• June 2020 - HF Receivers - added info about AN/URR-41 - please send email if you have any more info
• June 2020 - Transceiver Manuals - added MBF pdf manual
• May 2020 - Equipment Manuals - moved Teletype Loop Supply Manuals to TTY & FSK Signals Page
• May 2020 - Mill Typewriters - added a link to a downloadable Mill font for Windows computers.
• May 2020 - Guam Radio KU5Q 1945-46 - created new page
• Apr 2020 - WW2 Receivers - added REH info and photos
• Apr 2020 - Teletype Info - added Model 28 Keyboard Layout and Model 35 Keyboard Layout
• Apr 2020 - Transmitting Keys - added photos of NT-26015
• Apr 2020 - VLF Transmitters - moved TACAMO and Shipboard VLF systems to a new page
• Apr 2020 - Antenna Coupler Manuals - added CU-737/URC manual - thanks to Harry Bird
• Apr 2020 - Prewar Communications - added "History of the BuShips Radio Division"
• Mar 2020 - HF Transceivers - added AN/GRC-13 and AN/GRC-14 (MRC-55) photos and info
• Mar 2020 - Rate Training Manuals - added download of Communications Technician (T) 3 & 2 - thanks to Google Books
• Mar 2020 - Teletype Information - added lists of Fuses and Lamps - thanks to RTTY Electronics 
• Mar 2020 - Crypto Equipment - AN/GGA-1 - added Teletype Equipment manual - thanks to RTTY Electronics
• Mar 2020 - Frequency/Time Equipment - added photos of O-406(XN-1/URC) 225-400mc VFO
• Mar 2020 - Teletype Wiring Diagrams - added 1978 Navy 28 TD Wiring Diagrams
• Mar 2020 - Teletype Wiring Diagrams - added 1978 Navy 28 Reperf Wiring Diagrams
• Mar 2020 - Navy Teletype Manuals - added 1978 M28 Reperf Technical Manual (2 volumes)
• Mar 2020 - Navy Teletype Manuals - added 1978 M28 TD Technical Manual
• Feb 2020 - Navy Teletype Manuals - added 1979 M28 ASR Technical Manual (3 volumes)
• Feb 2020 - Teletype Wiring Diagrams - added 1979 Navy 28ASR Wiring Diagrams
• Feb 2020 - Memorabilia - added many photos of patches
• Feb 2020 - Souvenirs - created new pages for Mugs and for Lighters and Ashtrays
• Feb 2020 - Communications, Command, and Control - added 1986 NCCS description
• Jan 2020 - Receiver Audio - added more Loudspeakers photos and info
• Jan 2020 - Shore Antennas - added photos and info on Spira-Cone antennas
• Jan 2020 - Teletype Hardware - added more info on nuts
• Jan 2020 - Transmitter Manuals - scanned AM-2374/URT manual (part of AN/URT-18)
• Jan 2020 - Pre-War Comm Stations - added 1919 lists of station and ship call signs - thanks to Google Books
• Jan 2020 - Manuals - added Basic Electronics Vol 1 and Basic Electronics Vol 2 - thanks to C Andersen
• Jan 2020 - Manuals - added USMC Field Antennas - thanks to C Andersen
• Jan 2020 - Teletype Equipment "S" Documents - added many more "S" specification documents
• Dec 2019 - NAA Arlington - added high-res Navy Archive photos
• Dec 2019 - VLF Transmitter Site Photos - Bill Heidig's great photos
• Dec 2019 - Teletype Equipment "S" Documents - created new page for "S" specification documents
• Dec 2019 - Shore Station Antennas - added antenna layout maps of NAVCOMMSTA Greece
• Dec 2019 - Training Manuals - Information Systems Technician Module pdf downloads
• Dec 2019 - NAVCOMMSTA Washington DC 1945 - added high-res photos showing Wheatstone tape equipment
• Nov 2019 - TCS Transmitter-Receiver - added photos of TCS-11 model - thanks to K4NCG
• Nov 2019 - Audio Switchboards/Loudspeakers/Amplifiers - added some loudspeaker photos
• Nov 2019 - FSK Equipment Manuals - added manual for AN/FCC-3A & AN/FCC-7A Teletype Multiplex Equipment
• Nov 2019 - Manuals - added pdf scans Bureau of Ships Manual Chapter 67 - Electronics
• Nov 2019 - Loudspeakers - added photos, specification, and schematic for NT-49546 Loudspeaker
• Nov 2019 - Teletype Patch Panels - added SB-6/GG manual pdf
• Oct  2019 - Shipboard Antennas - Added 1945 installation drawings
• Oct  2019 - Torn Tape Relay - added high-resolution copies of NAVCOMMSTA Guam 1968-69 photos
• Oct  2019 - BuShips Journal Articles -add 1953 article  The Aspects of Naval Communications
• Sept 2019 - Receiver Manuals - added manual for AN/URR-52A VHF/UHF panoramic receiver
• Sept 2019 - Teletype Signal Repeaters - added manual for TH-42/UG (Stelma SR-2B) two-way repeater
• Sept 2019 - Automated Morse Code Equipment - added manual for RD-112//U ink recorder
• Sept 2019 - Shipboard SSB Transceivers - added info and manual on AN/WRA-1 transceiver
• Sept 2019 - Automated Morse Code Equipment - added manual for RD-110//U and RD-110A/U ink recorders
• Aug 2019 - Teletype Info - added page on Model 28 Mark I, II, III differences
• July 2019 - Receiver Manuals - added pdf of RBK-16 manual
• July 2019 - Teletype Equipment - added page of Model 42 ASR photos
• July 2019 - Manuals - added NRL 1956 Single Sideband Bibliography - thanks to Google Books
• July 2019 - Antenna Coupler Manuals - added manual for CU-255/UR and CU-332A/UR
• July 2019 - Equipment Catalogs - added USMC Field Radio and Radio Relay Equipment pdf
• June 2019 - Transmitter Manuals - added TDH manual
• June 2019 - RATT Terminal Units - added manual for CV-3510A/UG (AN/URA-17E)
• June 2019 - RATT - Radio Teletype - added "Tuning In RATT Signals" articles
• June 2019 - Great Lakes training photos - early 1950's
• June 2019 - Teletype Signal Equipment Manuals - added manual for AN/UGM-8B(V) Teletype Test Set
• June 2019 - Receiver Multicouplers - added manual for CU-656/U, CU-656A/U, CU-873/U, CU-874/U
• June 2019 - NAVCOMMSTA Iceland - added interesting 1967 photos from John Dankovich
• May 2019 - Signal Distribution Unit - added photos of SA-137/G 40 position antenna switch
• May 2019 - Training manuals - added Transmitter Fundamentals Course 502 (1945)
• Apr 2019 - ET2 Training manuals - added 1956 Manual 10190-A Vol 1
• Apr 2019 - Transmitter Manuals - added TCA transmitter manual (1939)
• Apr 2019 - Publications - added Modern Naval Communications - 50 Years of Achievement 1913-1963
• Apr 2019 - Publications - added NAVELEX "Electronic Warfare" Brochure
• Feb 2019 - Transmitter Manuals - added AN/SRT-14, SRT-15, SRT-16 manual pdf
• Feb 2019 - 1965 Shipboard Electronic Equipment - added pdf of entire NAVPERS 10794-B
• Feb 2019 - Training Manuals - added Electronics Warfare Technician 3 & 2 manual
• Feb 2019 - NAA Cutler Maine - added January 1961 magazine article on construction
• Jan 2019 - Communications Ships - added more photos and info on LCC-19 USS Blue Ridge
• Jan 2019 - Kleinschmidt teletypewriter equipment - created new page and moved manuals here
• Jan 2019 - SSB-1 HF Transceiver - added original 1956 NAVSHIPS 92917 manual and 1957-61 changes to 92917
• Jan 2019 - Teletype Loop Supplies - added PP-3495 manual
• Jan 2019 - Audio Amplifiers - added AM-2631/U manual and AM-3729/DR manual
• Jan 2019 - Receiver Antenna Couplers - added manual for RXA multicoupler
• Nov 2018 - Training - added links to 1944 USN Training Film showing Radioman training and shipboard operations
• Oct 2018 - NRTF Annapolis - added 1953 article
• Oct 2018 - Comm Stations - added 1967 article on construction of NAVCOMMSTA Cam Ranh Bay
• Oct 2018 - Teletype Manuals - added 114B and 129B covering Model 12 equipment - thanks to Duncan Brown
• Oct 2018 - Transmitter-Receiver Manuals - added TCP-2 Manual
• Sept 2018 - Pre-War Comm Stations - added Lafayette (Bordeaux) Transmitter photos and info
• Sept 2018 - R-390A/URR manuals - added CTM "A School" Course - thanks to Chaz Jedlicka
• Aug 2018 - Teletype Wiring Diagrams - added more diagrams
• Aug 2018 - ESO Directories of Electronics Equipment - added 1971 consolidated index to directories
• Aug 2018 - AN/FRA-49 Transmitting Multicoupler - added photos and manual
• Aug 2018 - Training Manuals - added Enlisted Classification (NEC) sections for ET, TE, RM, CT
• July 2018 - Pearl Harbor Transmitter Site - created page and added photos
• July 2018 - Mystery NAVCOMMSTA photos - created page and added photos
• July 2018 - NAVCOMMMSTA San Francisco - added many photos from 1919
• July 2018 - Transmitters - added more photos and block diagrams of FRT-85 and FRT-86
• July 2018 - JANAP 161 Directory of Communications Electronics - created new page with pdf downloads
• July 2018 - Christchurch NZ Naval Communications Unit - created new page and added photos
• July 2018 - Teletype Magnet Coils - created new page
• July 2018 - Receiver Manuals - added RAL-6 manual pdf
• July 2018 - Teletype Model 40 equipment - created new page
• July 2018 - Torn Tape Relay Equipment  - added pdf of 271B Vol 1 with equipment descriptions
• July 2018 - Morse Code Training Equipment - added photos of AN/UGH-1 paper tape code practice device
• July 2018 - Torn Tape Relay Equipment  - added video of Transmitter Group component operation
• June 2018 - Teletype Corp. Manuals - added lots of new scans
• June 2018 - BuShips Journal - added 1957 articles on Destroyer Electronics and Shipboard Antennas
• June 2018 - NBD Otter Cliffs - added photos from Navy Archives
• June 2018 - Receiver Manuals - added RBS-3 (R-303/FRR) manual pdf
• May 2018 - NAA Arlington Transmitting Station - created new page and added photos and info
• May 2018 - Battle Point (WA) Transmitting Station - created new page and added photos and info
• May 2018 - TBS VHF Transmitter-Receiver - created new page and added more photos
• May 2018 - Receiver Manuals - added AN/SRR-13A Sams Photofact Manual 
• May 2018 - NAVCOMMSTA Key West - added photos
• Apr 2018 - Teletype Test Equipment - added video to  TS-652/GG (DXD) Page
• Apr 2018 - Automatic Morse Equipment - added McElroy XTR-442-C manual pdf
• Apr 2018 - MAW Transmitter-Receiver - created new page and added photos
• Apr 2018 - Receiver Manuals - added R-2307/U manual pdf
• Apr 2018 - Lualualei Naval Radio Transmitter Facility - created web page and added some photos
• Apr 2018 - FSK Equipment Manuals - added CV-2460/SGC manual pdf
• Mar 2018 - Navy Teletype Manuals - added Model 14/19 Teletype Maintenance School Study Guide
• Mar 2018 - Test Equipment Manuals - added AN/USM-24C manual pdf
• Mar 2018 - Antenna Coupler Manualss - added AN/SRA-22 manual pdf
• Mar 2018 - FSK Equipment Manuals - added R-551/UC manual pdf
• Mar 2018 - Teletype Test Equipment - added TS-652/GG (DXD) Page
• Feb 2018 - Test Equipment Manuals - added AN/USM-117() manual pdf
• Feb 2018 - FSK Equipment Manuals - added R-466/UC manual pdf
• Feb 2018 - Antenna Coupler Manuals - added CU-691/U manual pdf
• Feb 2018 - Antenna Coupler Manuals - added AN/SRA-13(), AN/SRA-14(), AN/SRA() manual pdf
• Feb 2018 - Transmitter-Receiver Manuals - added TCS-14, TCS-15 manual pdf
• Feb 2018 - Teletype Equipment - added more photos of TT-49, shipboard M15 KSR
• Feb 2018 - Transmitter Manuals - added TDO Instruction Book pdf
• Feb 2018 - Transmitters - added AN/URT-18 photos and info
• Feb 2018 - Teletype Manuals - added Manual 67MA for Navy Shipboard Teletype Model 15 sets (TT-49/UG, TT-50/UG)
• Feb 2018 - Receiver Manuals - added RAK-7 manual pdf
• Feb 2018 - Transmitter-Receiver Manuals - added TCS Maintenance Standards Book pdf
• Feb 2018 - Receiver Manuals - added RAO-3, RAO-4 manual pdf
• Jan 2018 - Transmitter RF Patch Panels - added manual for CHU CA-1100 quick-connect patch panels
• Jan 2018 - Communications Technician Training Manuals - added 1965 CTO 3&2 manual pdf
• Jan 2018 - Electronics Technician Training Manuals - added 1997 ET 1&C and 1997 ET 3&2 volume pdfs
• Jan 2018 - Radioman Training Manuals - added 1997 Radioman training module pdfs
• Jan 2018 - Radioman Training Manuals - added Table of Contents for some pre-war manuals
• Jan 2018 - RAY, GS, AN/ARW-19 Remote Control - created  page with a few photos and info
• Jan 2018 - Teletypewriter manuals - added AN/TGC-14 (MITE) manual pdf
• Jan 2018 - R-390A/URR Receiver - added page with contract and production numbers
• Jan 2018 - TCZ transmitter - added photos of TCZ restored by USN in 1955
• Dec 2017 - Transmitter Manuals - added AN/URT-7C manual pdf
• Dec 2017 - USS Annapolis AGMR-1 - added 1968 newsletter pdf
• Dec 2017 - Teletype Signal Equipment Manuals - added AN/UGA-5 Repeater Manual pdf
• Dec 2017 - Test Equipment Manuals - added LR-1 manual pdf
• Dec 2017 - Transmitter Manuals - added TDQ manual pdf
• Dec 2017 - USS Wright CC-2 - added scan of final issue of "The Command Post" newsletter
• Dec 2017 - Direction Finder Equipment - added DAK-3 manual pdf
• Nov 2017 - AN/UGC-136 Teletypewriter - created new page
• Nov 2017 - AN/UGC-77 Teletypewriter - updated schematics with corrected terminal board connections
• Oct 2017 - Shipboard Radio Rooms - added 1970s typical equipment for DD and CVA
• Oct 2017 - Transmitter-Receiver Manuals - added MAB manual pdf
• Oct 2017 - Receiver Manuals - added AN/URR-35A manual pdf
• Oct 2017 - Naval Communications Bulletin - added Winter 1957-58 issue
• Oct 2017 - Manuals - added 1943 "Notes on Communication Security"
• Oct 2017 - Panoramic Adaptors - added REB photos
• Sep 2017 - Transmitter Manuals - added TDE manual pdf
• Sep 2017 - WW2 Portable Transmitter-Receiver - added TBO info and photos
• Sep 2017 - AN/TGC-1 Tape Relay Equipment - added description/operation document
• Sep 2017 - AN/WRA-3 Transmitter Group - added manual pdf
• Sep 2017 - Single Sideband Radio Communications - added training manual scan
• Sep 2017 - T-827H/URT Transmitter Manual - added scans of manual chapters
• Aug 2017 - NAVCOMMSTA San Diego - created page with historic photos from museum
• Aug 2017 - USS Iowa BB-61 - added photos from August 2017 visit
• Aug 2017 - AN/FGC-38 Tape Relay Equipment - added manual pdf
• Aug 2017 - Chollas Heights Transmitter Site - Museum photos from recent visit
• Aug 2017 - Message Processing - added 1987 paper describing Naval Telecommunications System (NTS)
• Aug 2017 - Message Processing - added three papers on NAVCOMPARS
• Aug 2017 - NAVCOMMSTA Stockton - added 1979 "Welcome Aboard" booklet
• Aug 2017 - Test Equipment Manuals - added AN/USM-34 manual pdf
• July 2017 - Receiver Manuals - added R-1051G/URR manual pdf
• July 2017 - Test Equipment Manuals - added AN/USM-44(A) manual pdf
• July 2017 - Teletype School Manuals - added AN/UGC-20 & AN/UGC-25 (M28 Compact) Maintenance School Manuals
• July 2017 - Transmitter Manuals - added NAVSHIPS 900,401 manual scan for TCM
• July 2017 - Transmitter Antenna Couplers - added AN/SRA-34 info and CU-1169/SRC-16 manual
• Jun 2017 - RTTY Terminal Units - added CV-3510/UG and CV-3510B/UG photos
• Jun 2017 - AM-215A/U Audio Amp - added photos including schematic
• Jun 2017 - USS Wisconsin BB-64 - added photos of Message Processing Center and FACCON
• Jun 2017 - Navy TTY Manuals - added NAVSHIPS 91393 pdf (1951 - 28KSR)
• Jun 2017 - Navy TTY Manuals - added NAVSHIPS 91713 pdf (1952 - 28RO and 28KSR)
• Jun 2017 - Naval Communications Bulletin - added June 1967 issue
• Jun 2017 - Chollas Heights - added photos
• Jun 2017 - Pre-War Comm Stations - added links, photos, and info
• Jun 2017 - Otter Cliffs, Maine Receiver Site - created new page and added more history articles
• Apr 2017 - My Teletype Message Center - added photos
• Apr 2017 - Teletype Wiring Diagrams - added scans of 28KSR/RO wiring diagrams 573-100-400TC
• Apr 2017 - Navy Teletype Manuals - added scans of 28KSR/RO manuals 0967-173-7010 and 0967-173-7020
• Mar 2017 - Baudot-to-Morse converter - added photos of GNY-2206
• Mar 2017 - USS Arlington AGMR-2 - added photos from National Archives
• Feb 2017 - RTTY Journal - added pdf of issues 1953-2003
• Feb 2017 - Tape Relay Manual Address Segregator - added video
• Feb 2017 - Frequency Standards - added manual for AN/URQ-10A
• Feb 2017 - ATCU-100A Can Tho - added many photos from Chuck Monpas
• Jan 2017 - TBW Transmitters - created new page and added photos
• Jan 2017 - Mare Island Transmitter Site - created new page with photos and info
• Nov 2016 - Manuals (Procedures) - added pdf of 1945 DNC 21 General Instructions for Naval Communication Liaison Officers (GINCLO)
• Nov 2016 - MD-209/UC HF Transmitter Phase Modulator -added photos and manual
• Nov 2016 - Interior Communications (IC) Electrician Manuals - added more pdf downloads
• Oct 2016 - AN/UGC-77 Teletype (TEMPEST) - created new page and added photos, wiring diagrams, etc.
• Oct 2016 - AN/TSC-95 Transportable Comm System - created entry and added info
• Oct 2016 - Teletype Equipment & TEMPEST - created new page and started adding info
• Oct 2016 - Test Equipment Manuals - added pdf of AN/USM-281A Oscilloscope manual
• Oct 2016 - AN/UGC-1 TTY multiplexer - added scan of AN/UGC-1 manual - thanks to Jin Haynes
• Oct 2016 - Crypto Equipment - added photos and manuals for AN/FGQ-1 (131B2) and TT-21/FG (CSP-2699) PYTHON equipment
• Oct 2016 - AN/UGC-1 TTY multiplexer - added new scan of AN/UGC-1A manual
• Oct 2016 - Installation - Added Radio Communications and Teletype Equipment Installation by Forces Afloat - NAVSHIPS 0967-306-1010
• Oct 2016 - Receiver Manuals - added AN/URR-23A (R-388/URR) manual
• Sept 2016 - FSK Equipment Manuals - added AN/URA-17C manual (CV-483C/URA-17)
• Sept 2016 - Teletype Manuals - added Normal Input Keying Teletype Modification Kits manual
• Sept 2016 - Transmitter Control - added 1950 document on 4-wire and 6-wire control
• Sept 2016 - Radioman 1 & C Training Manuals - added pdf of 1950 edition
• Sept 2016 - Radioman 1 & C Training Manuals - added pdf of 1969 edition
• Sept 2016 - Electronics Technician 3 & 2 Training Manuals - added pdf of 1979 NAVEDTRA 10196 edition
• Sept 2016 - Radioman 3 & 2 Training Manuals - added pdf of 1971 edition
• Sept 2016 - Radioman 3 & 2 Training Manuals - added pdf of 1967 edition
• Aug 2016 - Electronics Technician 3 & 2 Training Manuals - added pdf of 1979 NAVEDTRA 10198 edition
• Aug 2016 - Radioman 1 & C Training Manuals - added pdf of 1958 edition
• Aug 2016 - Electronics Technician 3 & 2 Training Manuals - added pdf of 1972 edition
• Aug 2016 - Radioman 3 & 2 Training Manuals - added pdf of 1957 edition
• Aug 2016 - Radioman 1 & C Training Manuals - added pdf of 1966 edition
• Aug 2016 - USS Wright CC-2 - added 1967 Welcome Aboard booklet
• Aug 2016 - Journals - added 1970 All Hands article on Navy Communications
• Aug 2016 - AN/FRT-6 - added Collins specs book for 205E transmitter
• Aug 2016 - AN/UGR-14 Inktronic printer - created page & added photos
• Aug 2016 - HF Receivers - renamed navy-rcvrs.htm to rcvrs.htm
• Aug 2016 - Teletype Equipment - renamed navy-tty.htm to tty.htm
• July 2016 - Transceiver Manuals - added pdf of MAY-1 manual
• July 2016 - Automatic Morse - added pdf of manual on Boehme equipment
• July 2016 - Manuals - added "Workmanship and Design Practices for Electronic Equipment"
• July 2016 - TTY Misc Equipment - added paper & tape winder section
• July 2016 - TTY Relay Equipment - added more photos
• July 2016 - TTY Equipment - added more photos
• July 2016 - TBY transmitter-receiver - added lots more photos
• July 2016 - Frederick Electronics Manuals - added Model 1203 FSK Demodulator Manual & added HF Receiver manuals
• July 2016 - South Pole Station Communications - created page with photos
• July 2016 - TBX Transceiver - added photos of NOS TBX-8 and accessories
• July 2016 - AN/WRC-1B and CU-937/UR - scanned manual (40 MB pdf)
• June 2016 - Directory of Test Equipment - NAVSHIPS 94200.4 - created page with pdf downloads (2500+ pages)
• June 2016 - Radio Materiel School Bellevue - description of WW2 ET school
• June 2016 - Training Manuals - added 1929 Radio Materiel School Notebook
• June 2016 - Radio and Sound Bulletin - added page with pdf copies of No. 7-18 (7/42-4/45)
• May 2016 - Receiver Manuals - added RDR manual scan
• May 2016 - Antenna Coupler Manuals - added CU-872/U manual scan
• May 2016 - Procedures Manuals - added DNC-8 (MARS callsigns) scan
• May 2016 - Auxiliary Equipment Manuals - added AM-215B/UR manual scan
• Apr 2016 - VHF FM Transceivers - added info on AN/SRC-11, -12, -13, -14, -15, AN/URC-16, -17, -18
• Apr 2016 - AM-215/U Audio Amplifier - added pdf of manual
• Apr 2016 - Morse Training Equipment - added photos of complete unused OAH-1 set
• Apr 2016 - Wideband HF Receivers - created page with R-1125/FLR, R-1230/FLR, R-1511/GR info
• Feb 2016 - Frederick Electronics Manuals - created page and added downloads for obsolete equipment
• Feb 2016 - Comm Station Equipment - added AN/FRQ-3 and AN/FRA-3 manuals
• Feb 2016 - Transmitter Switchboards - added SB-988/SRT photos and manual
• Jan 2016 - Integrated Communications System (Vietnam 1970) - created page and added documents
• Dec 2015 - NAVCOMMSTA Philippines - created page
• Dec 2015 - DNC 5 1944 - Communications Instructions - created pdf downloads
• Dec 2015 - USS Wright CC-2 - added "Welcome Aboard" pamphlet
• Nov 2015 - Communications, Command, & Control - started page
• Nov 2015 - Training Manuals - added ET A School manuals for AN/WRC-1B and AN/URT-23(V)
• Nov 2015 - Receivers - added AN/URR-74(V)2 manual pdf
• Oct 2015 - Antenna Manuals - added AN/URA-38 coupler manual
• Oct 2015 - Manuals - added "The Communication Officer" manual 
• Oct 2015 - Transmitter Manuals - added AN/URT-23(V) manual 
• Oct 2015 - Comm Stations - added link to Tarlac NRTF site
• Sept 2015 - Teletype Corp. Manuals - added more M28 and M35 manuals and BSPs
• Sept 2015 - TTY Patch Panels - added SB-2244/UG manual
• Aug 2015 - Antenna Manuals - added AN/SRA-16 transmitting multicoupler manual
• Aug 2015 - RTTY Converters - added AN/URA-8B manual pdf
• Aug 2015 - Receiver Manuals - added AN/URR-21A manual pdf
• Aug 2015 - Equipment Manuals - added Technical Manual Preparation Guide
• Aug 2015 - ELF Communications System - created new page and added info and photos
• Aug 2015 - Wailupe NMO 1946 - added photos of USCG comm station NMO at Wailupe
• July 2015 - Navy Type Number List - NAVSHIPS 900,109 1945 massive list of components
• July 2015 - Navy TTY Manuals - added NAVSHIPS 93241 pdf (1961 - 28RO and 28KSR)
• July 2015 - Installation - added "Typical Installation - Elementary Connections for Electronic Equipment (Shipboard)"
• July 2015 - Cabinets - created page for electronic equipment cabinets
• July 2015 - USNS Kingsport - first satellite communications ship
• July 2015 - Low Level TTY - added some info on low-level sets
• June 2015 - Teletype TD guide - created guide for M28 TD (transmitter-distributor) components
• June 2015 - USS Yorktown - added photos and link to video of restored Radio 3
• May 2015 - AN/URC-9 - added photos at bottom of page
• Apr 2015 - AN/UCC-1A - added manual pdf
• Feb 2015 - NAVCOMMSTA Iceland - created page and added 1963 photos
• Feb 2015 - Crypto - added more photos and data sheets thanks to the National Cryptologic Museum
• Feb 2015 - Teletype M28 Reperf Gear Charts - created page with info 
• Feb 2015 - Teletype Analysis Charts - added links - cross-reference of model number to features
• Feb 2015 - Crypto - added many photos and data sheets thanks to the National Cryptologic Museum
• Feb 2015 - Teletype Corp Manuals - added Type Box and Typewheel charts
• Jan 2015 - AN/FRT-24A Transmitter - created page with info, photos, manual
• Jan 2015 - FFG-7 class frigates - added hi-res photos of communication centers under construction
• Jan 2015 - Mystery Antenna - aboard USS Ticonderoga
• Jan 2015 - Mount Santa Rita Link Station - created page & added photos
• Jan 2015 - Teletype Manuals - added 1948 equipment data catalog
• Jan 2015 - Crypto - started page and added photos, data sheets, and links
• Jan 2015 - 1978 RM3 & 2 Training Manual - added pdf download
• Jon 2015 - NAVSHIPS 10891 Shore Communications - added complete pdf
• Jan 2015 - Hampton Roads Telecommunications Center 1988 - moved  photos to Norfolk page
• Jan 2015 - NAVCOMMSTA Sicily - created page and added photos
• Jan 2015 - NAVCOMMSTA Norfolk - added 1987 photos
• Jan 2015 - USS Wisconsin BB-64 - created page and added photos
• Jan 2015 - Wailupe - added historical info and 1921 photos
• Jan 2015 - COMMSTA Operations - added 1972 fleet broadcast info and 1974 ship-shore work flow charts
• Jan 2015 - Teletype Equipment - added M28 Compact KTR photos
• Dec 2014 - Manuals - added Preferred Circuits pdf
• Dec 2014 - Automatic Morse - added some more Boehme equipment photos
• Dec 2014 - Manuals - added Preferred Electron Tube List pdf
• Dec 2014 - Teletype Equipment - added TT-242/UG Lightweight M28 KSR & AN/GGA-1 crypto unit photos
• Dec 2014 - Tape Relay Equipment - added AN/FGC-73 & AN/UGC-10 message segregator photos & manual
• Dec 2014 - NAVCOMMSTA Greece - added many photos of Nea Makri site trailers
• Sep 2014 - Manuals - added complete 1963 EIMB 900,000.101 covering Installation
• Sep 2014 - Antennas - added 1963 EIMB info on Antennas and Antenna Trunks
• Aug 2014 - Pre-War History - added USN History of Steam Engineering Radio Division in WW1
• Jul 2014 - Manuals - added 1961 NAVSHIPS 93434(A) Index of Teletype Equipment - download 7.5MB pdf
• Jul 2014 - U-Tapao Thailand ATCU-100 - Created photo page - thanks to Ken Reed
• Jun 2014 - Automatic Morse - added some more Boehme equipment photos
• Apr 2014 - Can Tho Vietnam ATCU-100A - Created photo page - thanks to Richard Virlee
• Apr 2014 - Naval Radio History of 11th Naval District ( San Diego) - by LT George Todd, USN RET - 115 MB pdf
• Apr 2014 - Naval Radio History of 12th Naval District (San Francisco) - by LT George Todd, USN RET - 126 MB pdf
• Apr 2014 - Naval Radio History of 13th Naval District (WA, OR, AK) - by LT George Todd, USN RET - 102 MB pdf
• Apr 2014 - Naval Radio History of 14th Naval District (Hawaii) - by LT George Todd, USN RET - 120 MB pdf
• Apr 2014 - Naval Radio History of Guam - by LT George Todd, USN RET - 59 MB pdf
• Mar 2014 - Receiver Manuals - added download for AN/URR-13A
• Mar 2014 - Jim Creek VLF site - added photos from 2012 antenna replacement project
• Feb 2014 - Teletype LESU Cable Info - created page
• Feb 2014 - Teletype Multiple Page Printer Set (Waterfall) - reassembled and working - see video
• Feb 2014 - Teletype Multiple Page Printer Set (Waterfall) - added manual pages and wiring diagrams
• Feb 2014 - HF Receivers - added AN/URR-44 manual (40 MB pdf) and AN/URR-22 manual (46MB pdf)
• Feb 2014 - Tape Relay Equipment - added Technical Manual for M28 Torn Tape Relay Equipment - 109MB pdf
• Feb 2014 - Tape Relay Equipment - added info/photos for Transmitter Group Message Identification Module
• Feb 2014 - TTY Patch Panels - added manual for SA-734 switch and ID-866 indicator
• Jan 2014 - Facilities Manuals - added "Installation Criteria for Shipboard Secure Electrical Information Processing Systems" pdf download
• Jan 2014 - TTY Loop Supplies - added manual for PP-1767A/UG
• Jan 2014 - AN/FRT-24 - added link to video of KC8ZUL's transmitter
• Dec 2013 - AN/FRT-17 restoration - On The Air!
• Dec 2013 - Paper Tape Splicers - added photos and info
• Dec 2013 - Bureau of Ships Journal - created page with links to communications articles
• Dec 2013 - Sangley Point Comm Center - created page and added photos
• Nov 2013 - AN/FRT-17 Restoration - power-on after complete disasembly/reassembly
• Nov 2013 - Manuals - added pdf of "Communications - NAVELEX Program Information Series"
• Oct 2013 - VHF/UHF Receivers - added schematic for AN/URR-21A
• Oct 2013 - AN/GRD-6 DF System - created page with photos and info
• Sep 2013 - NRTF Chollas Heights - created a new page with lots of photos thanks to Paul N6BZY
• Sep 2013 - Keys - added SB-315A/U photos thanks to Larry K7KSW
• Sep 2013 - M28 "Waterfall" Teletype - created page with restoration photos
• Sep 2013 - Teletype Wiring Diagrams - created page and added diagrams
• Aug 2013 - Morse code training - added link to Navy course notes and MP3 download of training records
• Aug 2013 - USS North Carolina BB-55 - added many misc. photos from 2009 visit
• Aug 2013 - USS North Carolina BB-55 - added 1941 shipyard photos of Radio 2 and Radio 3
• Aug 2013 - AN/WRT-2 transmitter - added pdf manual download
• Aug 2013 - Teletype Maintenance C School - created page with manual downloads
• Jul 2013 - BB-61 USS Iowa - created pages with photos of radio rooms
• Jul 2013 - Manuals - added more RM "A School" notes - thanks to CAPT (ex-RM1) Lee Lance
• Jul 2013 - Teletypes - added photos of AN/UGC-20 (Model 28KSR Compact)
• Jul 2013 - NAVCOMMSTA Stockton - created page with photos from 1970's
• Jul 2013 - NAVRADSTA(T) Guardamar del Segura - created page for photos & info
• Jun 2013 - Shipboard Transceivers - created new page split off from Shipboard Transmitters
• Jun 2013 - Shipboard Transmitters - added AN/WRA-3 and AN/WRT-4 info
• Apr 2013 - RCA SSB-1 Transceiver - added pdf of SSB-1 Mk IV manual - thanks to W5JV
• Apr 2013 - NAVRADSTA(T) Buskin Lake - added pdf of Site Instruction Book
• Apr 2013 - Teletype Equip - added pdf of TT-268/UG ( TD + 2400 wpm reperf ) manual
• Apr 2013 - Manuals - added pdf of NAVSHIPS 900,190 Guide Manual for Cooling Methods
• Apr 2013 - Test Equip Manuals - added pdf of NAVSHIPS 91727 Test Equipment Guide
• Apr 2013 - Receiver SSB converters - added pdf for CV-216/URR manual
• Apr 2013 - Transmitter Test Equipment - added info on AN/URM-135A spectrum analyzer
• Mar 2013 - Handsets - created new page
• Mar 2013 - TTY Equipment - added more Loop Supply info, photos, manuals
• Mar 2013 - Receiver AF patch panels - added SB-2727/SRR manual pdf
• Mar 2013 - NAVRADSTA(T) Jim Creek - added Video showing more of installation
• Feb 2013 - NAVCOMMSTA Washington - added 1945 photo of Waves at patch panel
• Feb 2013 - OS-11/FGC-5 Oscilloscope - added manual pages
• Feb 2013 - Mystery Van Commcenter - added photos
• Feb 2013 - TCM, TCN, TCU Transmitters - created new page with photos (including a brand new TCM-1)
• Jan 2013 - 1968 ET Recruiting Film - added link
• Jan 2013 - DDG-2 Radio Room Layout & Equipment list - added scanned blueprints
• Dec 2012 - AN/FRT-17 Transmitter- a new restoration project for my  "Basement COMMSTA"
• Nov 2012 - USS Annapolis AGMR-1 - added photos from 1965-66 cruise book
• Nov 2012 - NAVCOMMSTA Harold E. Holt - created new page with photos and magazine article
• Nov 2012 - Shipboard Antennas - added photos from USS Midway
• Nov 2012 - Receiver Manuals - added RBA, RBB, RBC, RBL manuals thanks to Ben Hall
• Nov 2012 - Torn Tape Equipment - added photos from USS Midway and USS New Jersey
• Nov 2012 - USS Midway - added pages 2 and 3 of photos
• Oct 2012 - Connectors - started a page on connectors
• Oct 2012 - Time Standards - added info and photos on AN/FSM-5A & AN/FSM-5B Time Standard Systems
• Sep 2012 - Morse Code Recorders - added RD-60/U photos and specs. Also RD-112/U specs
• Sep 2012 - AN/FRD-10 CDAA - added block diagrams and training manual info on operation
• Sep 2012 - Teletype Corp Manuals - added Selector Magnet Driver & USAF 28ASR training documents
• Sep 2012 - Publications - added 1922 "Instructions for the Operation, Care, and Repair of Radio Plants" pdf
• Sep 2012 - Mill Typewriter for Radiomen - created new page with photos
• Sep 2012 - NAVCOMMSTA Adak - added 1966 NAVRADSTA(T) Mount Moffett photos
• Jul 2012 - Teletype Corp. Manuals - added pdf's of many many manuals - thanks to Jim Haynes
• Jul 2012 - Teletype Corp. Manuals - added Bell System Practices P31.301 to P70.253 (TTY notepad reference pages)
• Jul 2012 - AN/URC-8 transmitter/receiver - added Collins development reports from 1954
• Jul 2012 - Shore Antennas - added dimensions for Sleeve Antennas
• Jun 2012 - HF Transmitters - added AN/URT-22 spec sheets thanks to W2KRM
• Jun 2012 - Naval Radio Station Hawaii 1920's- created page with Wailupe and Pearl Harbor photos
• Jun 2012 - WW2 Transmitters - added TCK photos and info
• Jun 2012 - RM "A" School Training - 1972 class notes - thanks to Lee Lance
• Jun 2012 - Transmitter Test Equipment - added manual for CV-2353/U
• Jun 2012 - USS Texas BB-35 - created page with photos of radio rooms & equipment - need to add IDs
• May 2012 - AN/FRT-10 LF transmitter - added photos from Guardamar thanks to NF7M
• Apr 2012 - AGC-12 Radio Room Photos 1955-68 - created new page
• Apr 2012 - DDG-2 Radio Room Layout & Equipment list - created new page
• Mar 2012 - Transmitting antenna filters - added info on F-156/SRT series
• Mar 2012 - SSB-1 Sideband transceiver - added 1958 BuShips Journal article
• Mar 2012 - AN/FRA-501 Receiver Remote Control - added 1957 BuShips Journal article
• Feb 2012 - R-388/URR Contracts - added photos of 51J-4A
• Feb 2012 - Transmitter Antenna Tuners - added CU-402/SRT manual pages
• Feb 2012 - Wheatstone tape perforator & keyer - added perforator manuals & video of operation
• Jan 2012 - USS Arlington AGMR-2 - added photos from 1966-67 cruise book
• Jan 2012 - MAB transmitter-receiver - added schematic and photos
• Jan 2012 - Ship Call Signs - added 1924 and 1944 lists of USN ship call signs
• Jan 2012 - Shore Station Call Signs - added 1924 and 1941 lists of USN shore stations and call signs
• Jan 2012 - Jim Creek VLF Transmitter Site - added photo of AN/FRT-3 transmitter
• Jan 2012 - Shipboard Antenna Models - added close-ups of CG-10 model thanks to Bill Diaz
• Jan 2012 - Shipboard Radio Rooms - added more CG-10 photos thanks to Bill Diaz
• Dec 2011 - Teletype Manuals - added M28 Gear Set Chart
• Nov 2011 - Panoramic Adaptors - added photos and specs for RDG
• Nov 2011 - AN/FRT-24 Transmitter - added manual pdf download & O-243/FRT-24 schematic and info
• Nov 2011 - Teletype Manuals - added Western Union TTY documents & drawings
• Nov 2011 - TTY Signal Multiplexer - added UG, UN, AN/UXC-2 photos and info
• Nov 2011 - Test Equipment - added AN/USM-29 photos and info
• Sept 2011 - USS Kidd DD-661 - added page with radio room photos
• Sept 2011 - USS Clamagore SS-343 - added page with radio room photos
• Sept 2011 - USS Yorktown CV-10 - added page with photos
• Sept 2011 - Shipboard Radio Rooms - added unknown ship radio room photo
• Aug 2011 - Teletype Corp. Manuals - created page with list of TTY manuals
• Aug 2011 - VLF Transmitters - added TACAMO info and links
• Aug 2011 - TBX - added more photos, info, link to manual pdf
• Aug 2011 - AN/SRA-38 Multicoupler - added manual pdf covering SRA-38, etc.
• Aug 2011 - VLF xmtr at Summit - added AN/FRT-73 color photos from Jay Shroeder
• Aug-2011 - FSK Converters - added AN/FGC-1 manual excerpts & photo
• Aug 2011 - Early FSK converters - added manual excerpts & photos
• Aug 2011 - Model 14 Teletype TD - added principles of operation pdf
• Aug 2011 - KY-30/GRT FSK Keyer - created page with circuit & operation info
• Jul 2011 - Jim Creek VLF Transmitter Site - added magazine article on construction
• Jul 2011 - Receiver Preselector - added AM-4823/U pdf manual
• Jul 2011 - Nea Makri Greece Receiver Site - added more photos
• Jul 2011 - Frequency Synthesizers - added pdf manuals for O-1494/URC, O-1115/URC, & O-1207/URC
• Jul 2011 - NAVRADSTA(T) Jim Creek - added 1953 article & photos
• Jul 2011 - USS Annapolis AGMR-1 - created page and added photos
• Jul 2011 - USS Arlington AGMR-2 - created page and added photos
• Jul 2011 - USS Northampton CC-1 - created page and added photos
• Jul 2011 - USS Wright CC-2 - created page and added photos
• Jul 2011 - USS Wisconsin BB-64 - added 1950's radio room photos
• Jul 2011 - TDQ Transmitter - added pdf schematic download
• Jul 2011 - OCT-2, -3 FSK Monitor - added pdf schematic download
• Jul 2011 - Communications Yeoman 3 - added pdf of training manual NAVPERS 10245
• Jul 2011 - NavRadSta (T) Annapolis NSS - created page and started adding info and photos
• Jun 2011 - NavRadSta (R) Sugar Grove - created page and started adding info and photos
• Jun 2011 - NavRadSta (R) Cheltenham - created page and started adding info and photos
• Jun 2011 - Cutler VLF Transmitter Site - added 1960 BuShips Journal article on construction
• Jun 2011 - AN/FGC-29 TTY Multiplexer - new page with photos, article, spec sheets
• Jun 2011 - AN/UGC-1 TTY Multiplexer - new page with photos, articles, spec sheets
• Jun 2011 - RATT Systems - added six BuShips 1950's articles on Radio Teletype Systems
• Jun 2011 - Shore Electronics - 1956 BuShips article on organizational history
• Jun 2011 - Jim Creek VLF Transmitter Site - created new page and added BuShips article on installation
• May 2011 - MAR transceiver - added power supply and remote control photos
• Apr 2011 - Naval Communications - added pdf downloads for 1961 and 1964 manuals
• Apr 2011 - SSB Communications - pdf download - manual covers SSB Voice & FSK equipment & operations
• Apr 2011 - AN/SRA-22 Antenna Coupler - Created page with manual and tech report pdf downloads
• Apr 2011 - NAVCOMMSTA Balboa - added map and photos of Summit Transmitter Site
• Apr 2011 - Equipment Technical Manuals Page - created page and started adding info and links
• Apr 2011 - Nea Makri Greece Receiver Site - created page with photos of antennas
• Mar 2011 - Eldico S-100 SSB Transmitter-Receiver - added photos
• Mar 2011 - USS Northampton CLC-1 Radio Systems - created new page with diagrams and photos
• Mar 2011 - Shore Station Antennas - split off new page & added photos and drawings
• Mar 2011 - Shipboard Antenna Systems - split off new page and added DL-2 radio systems page
• Mar 2011 - Kato Souli Greece Transmitter Site - created page with photos of antennas
• Mar 2011 - NAVRADSTA(T) Barrigada Guam - added dozens of photos
• Mar 2011 - LF & VLF Transmitters - added photos and block diagrams
• Mar 2011 - NAVCOMMSTA Norfolk - created page and added photos
• Mar 2011 - FFG-7 Oliver Hazard Perry Class Frigates - added page with radio room photos
• Mar 2011 - Shore Electronics Criteria: Microwave and Tropo Scatter Systems - added pdf downloads
• Mar 2011 - Buskin Lake (Kodiak) Transmitter Site - created page with lots of interesting 1950's photos
• Mar 2011 - 1964 Naval Communications NAVPERS 10898-A - added pdf downloads
• Mar 2011 - 1964 Allied Communications Publication ACP-131(B) - download 5.7 MB pdf
• Mar 2011 - 1929 Communications Instructions - added pdf downloads
• Mar 2011 - 1931 Notes for the Guidance of the United States Naval Communication Reserve - added pdf download
• Mar 2011 - Troubleshooting Communications Equipment (AN/URC-32) - added pdf download
• Mar 2011 - AN/SRC-20 & 21 C School ET Trainee's Guide - added pdf downloads
• Mar 2011 - AN/FRQ-3 Transmitter Site Control Console - added photos and info
• Mar 2011 - 1948 Shipboard Electrical Systems NAVPERS 10864 - download 114 MB pdf
• Mar 2011 - 1953 RADAR Echo Box Design Handbook - download 50 MB pdf
• Feb 2011 - VHF & UHF Transmitters & Transceivers - created new page and added TED info
• Feb 2011 - TBX Transmitter-Receiver - created new page and added more photos
• Feb 2011 - TBY Transmitter-Receiver - created new page and added more photos
• Feb 2011 - RBL Receiver - created new page and added photos
• Feb 2011 - TCS Receiver & Transmitter - created new page with tons of photos
• Feb 2011 - NAVCOMMUNIT Midway Island - created page with photos and info
• Jan 2011 - Directory of Communication Equipment - added 1000+ pages of pdf downloads
• Jan 2011 - Electronic Technician 1963 manual - added pdf downloads
• Jan 2011 - Radioman 3 & 2 1964 manual - added pdf downloads
• Jan 2011 - Receiver Servicing Course (1945) - download 7 MB pdf
• Jan 2011 - RCA SSB-1 Transceiver - added manual pdf download
• Jan 2011 - WW2 Portable Transmitter-Receiver Page - created new page for MAR, MAW, MBF, TBX, TBY, etc.
• Jan 2011 - MQ Transmitter-Receiver - created new page with photos and info
• Jan 2011 - Antenna Catalog Vol III, Ship Antennas (1960) - download 10 MB pdf
• Jan 2011 - MBF Transmitter-Receiver - created new page and added photos
• Jan 2011 - WW2 Transmitters - added photos and info on TDZ transmitter
• Dec 2010 - WW2 Era Test Equipment - created new page with many additions
• Dec 2010 - AN/SRA-20 Antenna Tuner - added photos and article, thanks to Fred Chapman
• Dec 2010 - NAVCOMMSTA Adak - created page with history and photos
• Dec 2010 - Paraphernalia - added more plaques, patches, mugs, etc.
• Dec 2010 - Los Baños Naval Radio Station - created page with photos from 1930
• Dec 2010 - Cavite Naval Radio Station - created page with photos from 1929
• Dec 2010 - Naval Communications Bulletin - 12/68 issue - Download 10 MB pdf
• Dec 2010 - NAVCOMMSTA Balboa - created new page with photos and info
• Dec 2010 - NAVCOMMSTA Key West - created new page with photos and info
• Dec 2010 - USS Wright CC-2 - added info on 1968 Autodin upgrade
• Dec 2010 - MAR UHF Transceiver - new page with lots of photos & downloadable manual
• Nov 2010 - USS Annapolis AGMR-1 - added article from 1968 Naval Communications Bulletin
• Nov 2010 - Unknown Ship Radioman Photo - high res with some readable callsigns & frequencies
• Nov 2010 - Unknown 1950's Transmitter Site - added photos - need an ID
• Nov 2010 - Circuitry of Shipboard Electronics Equipment - added pdf downloads for NAVPERS 10787
• Nov 2010 - Communication Procedure Signals - added download of WW2 booklet of Z signals
• Nov 2010 - MAR UHF Transceiver Manual - created with  table of contents and pdf downloads
• Nov 2010 - DNC 6 Operator's Manual (1939) - Radio and Visual Signaling procedures - added index and pdf download
• Nov 2010 - AN/URC-8 Transmitter-Receiver - added info and photo page
• Nov 2010 - AN/FRD-10 CDAA - added downloads of antenna maintenance manuals
• Nov 2010 - TTY Misc - added manual for Stelma TDA-2 signal anaylyzer
• Nov 2010 - Transmitter Antenna Couplers - added manual pages for TN-342/SRT
• Nov 2010 - WW2 Transmitters - added manual for TCS 115vac power supply PP-380/U
• Nov 2010 - Pre-war Transmitters - created page with early transmitters
• Nov 2010 - Pre-war Receivers - added list of early receivers
• Oct 2010 - Paraphernalia - created page for plaques, patches, mugs, etc.
• Oct 2010 - Early CommSta History - added photos and articles from 1922 (at bottom of page)
• Oct 2010 - NAVCOMMSTA Newport - added map of Beavertail Point transmitter site antennas
• Oct 2010 - Test Equipment - added lots of new photos
• Oct 2010 - USS Torsk SS-423 - created page with radio room photos
• Oct 2010 - Ported to a new web hosting service - please let me know of any problems or busted links
• Oct 2010 - Receiving Multicouplers - added spec sheet for CU-656A/U
• Oct 2010 - Navy Type class numbers - added new page
• Sep 2010 - RTTY FSK Converters - added photos of unknown remote scope for 2 converters (bottom of page)
• Sep 2010 - Antenna T-R Switches - added info
• Sep 2010 - Morse Equipment - added info on several electronic Morse-Baudot converters, also KY-469/UG keyer
• Sep 2010 - USS Wright & USS Northhampton - added AN/FRC-92 tropo system info and tropo antenna photos
• Sep 2010 - SE (Steam Engineering) Receivers - added SE-1071 photos
• Sep 2010 - Early COMMSTA photos - added more photos
• Sep 2010 - Keys - added early SE-???? key
• Sep 2010 - Morse Equipment - added photos of Wheatstone tape perforator and several keyers
• Sep 2010 - VLF Receivers - Added AN/BRR-3, BRR-3(XN-1), BRR-3(XN-2), BRR-4(XN-1) info and photos
• Sep 2010 - Basement COMMSTA (Ham Shack) - added some new photos
• Sep 2010 - CU-872/U Receiver Multicoupler - added page with block diagram and circuit description
• Sep 2010 - CU-1099/FRR Receiver Multicoupler - added page with block diagram and circuit description
• Aug 2010 - Cryptologic Technician (M) 3 & 2 (1978) - added table of contents and pdf downloads
• Aug 2010 - Shipboard Electronics Material Officer (1982) - added table of contents and pdf downloads
• Aug 2010 - Martin Pena PR Transmitter Site - added 1950's photos thanks to Leo Ross
• Aug 2010 - Shipboard Electronic Equipments (1969) - added table of contents and pdf downloads
• Aug 2010 - 82B1 Message Switching Center - added training course notes and diagrams
• Aug 2010 - DNC-5(B) Naval Communication Instructions - added table of contents and pdf downloads
• Aug 2010 - CT Training Module 4 (Technical Control) - added table of contents and pdf downloads
• Aug 2010 - Marine Corps Field Radio Equipment 1955 - added table of contents and pdf downloads
• Aug 2010 - Navy RTTY (RATT) - added 1956 article on Navy RATT systems - download 1 MB pdf
• Aug 2010 - Navy RTTY (RATT) - added 1972 article listing military surplus RTTY gear - download 1 MB pdf
• Aug 2010 - Model 28RT Reperforator-Transmitter -  additional article on using the 28RT
• Aug 2010 - Manuals - added Table of Contents and PDF downloads for  Naval Shore Electronics Criteria handbooks
• Aug 2010 - AN/URC-32 SSB Transceiver - added EIMB Service Notes download
• Aug 2010 - Navy Communications Station Design Manual - added Table of Contents and pdf download
• Aug 2010 - Model 28RT Reperforator-Transmitter -  added more manuals
• Aug 2010 - Manuals - added PDF downloads of more EIMB chapters
• Aug 2010 - NAVCOMMSTA Puerto Rico - added some photos of Ft. Allen Transmitter site
• Aug 2010 - Model 28RT Reperforator-Transmitter - added wiring diagram, manuals, more photos
• Aug 2010 - Teletype Equipment - added photos and info on AN/FGC-9 (Model 19ASR)
• Jul 2010 - QSL Cards - Ham Radio and COMMSTA cards
• Jul 2010 - Transmitter Test Equipment - added AN/URM-50 manual download
• Jul 2010 - AN/FRT-5 HF transmitter - added AN/FRT-5A and O-91/FRT-5 manual downloads
• Jul 2010 - LF & VLF Transmitters - added AN/FRT-61 illustration and info
• Jul 2010 - Directory of Communications Equipment - added Supplement 3 pdf  files (900 pages)
• Jul 2010 - Shipboard Transmitter - added downloadable AN/WRT-1 manual
• Jul 2010 - Diversity Receiver Systems - added downloadable RDM manual
• Jul 2010 - Transportable COMMSTA - Added diagrams, info, and downloadable manuals for AN/TSC-35
• Jul 2010 - Receiver Site RF & AF Distribution - added RF and AF wiring block diagrams
• Jul 2010 - EIMB Radar - 566 pages now on line 
• Jul 2010 - RBP & RCP Diversity Receiver Systems - new page with photos, info, and downloadable manual 
• Jul 2010 - EIMB Electronic Circuits - 1200 pages now on line
• Jul 2010 - HF Receivers - added R-2557/URC photos
• Jul 2010 - TN-342/WRT restoration - AN/WRT-2 antenna tuner restoration photos
• Jul 2010 - Receiving Multicouplers - added CKB-50172 photos and downloadable manual
• Jul 2010 - Receiver Site RF & AF Distribution - added Signal Distribution Unit (SDU) downloadable manual
• Jul 2010 - Shipboard Transceivers - added info on Eldico S-100 SSB transceiver
• Jul 2010 - Transmitter Antenna Tuners - added info on AN/SRA-20 and AN/SRA-25 four-channel tuners
• Jun 2010 - Comm Stations - added link to magazine article on ELF transmitter site and operations
• Jun 2010 - Comm Stations - added link to magazine article on Jim Creek VLF transmitter site construction
• Jun 2010 - RTTY Terminal Units - added info on CV-3510A & CV-3510B (AN/URA-17E & AN/URA-17F)
• Jun 2010 - Keys - added photos of 1952 Vibroplex Lightning Bug with Navy markings
• Jun 2010 - Cryptologic Collection Equipment - added pdf downloads of chapters
• Jun 2010 - Shipboard Antenna Details - added pdf downloads of chapters
• Jun 2010 - Directory of Communications Equipment - started adding pdf  files (1800 pages so far)
• Jun 2010 - Recorders - added downloadable AN/TNH-21 manual
• Jun 2010 - Transmitters - added AN/FRT-18 photo
• Jun 2010 - WW2 Receivers - Added RE, RF, RG photos
• May 2010 - USS Midway - created page with Radio Central photos
• May 2010- Panoramic Adaptors  - added RCD and RDC photos and info - thanks to N7RHU
• Apr 2010 - ATCU Morocco - created page with photos and info on Transportable Communications Unit deployment 1963
• Apr 2010 - Panoramic Adaptors - added many photos and some info
• Apr 2010 - AN/SRC-20 UHF Transceiver - created page for AN/SRC-20, AN/SRC-21, AN/URC-9
• Apr 2010 - Shipboard Transceivers - added photos of AN/SRC-20, AN/SRC-21, AN/SRC-23, AN/SRC-31, AN/URC-35, AN/URT-23, AN/WRC-1, AN/WRT-1
• Apr 2010 - Transmitting Antenna Tuners - added photos of AN/SRA-15, AN/SRA-22, AN/SRA-33, AN/SRA-38, AN/SRA-56, CU-691/U
• Apr 2010 - RTTY Multiplexers - added AN/UCC-1 system block diagram
• Mar 2010 - Fixed Frequency Receivers - added photos of AN/FRA-501 remote control
• Mar 2010 - SE (Steam Engineering) Receivers - added SE-1899 photos
• Feb 2010 - 82B1 switching center - created page with plan of Trenton and photos of equipment
• Feb 2010 - WW2 Receivers - Added RDM photos
• Feb 2010 - NAA Cutler Maine - added brochure with photos
• Feb 2010 - Torn Tape Relay Equipment - created separate page covering pieces of equipment
• Feb 2010 - Tape & Automatic Relay Centers - revised and added info on automatic relay centers (AN/FGC-30, 82B1, Plan 55)
• Feb 2010 - WW2 Transmitters & Transceivers - added TBX-8 and accessories photos
• Feb 2010 - Antennas - added AN/SRA-17 VLF/LF antenna group & transmitting antenna matching transformer
• Feb 2010 - WW2 Receivers - Added more RAL-7 and RBM-4 photos
• Feb 2010 - WW2 Receivers - Added RBP diversity receiver photos and info
• Feb 2010 - AUTODIN - created page and added photos
• Feb 2010 - Shipboard Transceivers - added photos and description of modern HFRG High Frequency Radio Group
• Feb 2010 - Frequency Standards - added photo of O-464/SRC synthesizer
• Feb 2010 - Shipboard Transmitters - added photo of AM-1365/URT UHF amplifier, AN/SRC-16, and AN/URC-7
• Feb 2010 - RTTY Terminal Units - added CV-3510B/UG photo and operating instructions
• Jan 2010 - My "Basement COMMSTA" - updated photos of restoration work
• Jan 2010 - AN/URC-32 SSB Transceiver - added photos and more info
• Jan 2010 - Test Equipment - created page and started adding photos
• Jan 2010 - Comm Stations - created new page on NAA Cutler Maine - added new photos
• Jan 2010 - Tape Recorders - started page and added AN/TNH-21 photos
• Jan 2010 - Receiver Audio - added photos of AN/GSA-33 compressor
• Jan 2010 - Comm Stations - added link to interesting article on NAA Cutler Maine
• Jan 2010 - LF & VLF Receivers  - added R-389/URR photo and info
• Jan 2010 - RAK/RAL Receiver Page - Added link to Rob Flory's RAL video
• Jan 2010 - Rob Flory's WW2 Radio Pages - added missing Receivers Page
• Jan 2010 - COMMSTA Facilities - added blueprint for Quonset Pt. transmitter building (1940)
• Jan 2010 - Shipboard Radio - added diagram of typical full duplex RTTY system (1965)
• Jan 2010 - RTTY Keyers - added TH-39A/UGT and TH-39B/UGT photos
• Jan 2010 - TMC transmitter components - added O-672/URA-28 exciter and O-429/FRT
• Jan 2010 - Keys - added SE-3546A and NT-26018 photos
• Dec 2009 - Receiver SSB Converters - added CV-591/URR photos to existing CV-591A/URR ones
• Dec 2009 - Model 28RT Reperforator-Transmitter- created page with photos, connection info, etc.
• Dec 2009 - TTY - added download of 1978 FAA Teletype Maintenance Document & 1970 Kleinschmidt catalog
• Dec 2009 - Torn Tape Relay Equipment - added more photos of automatic and semi-automatic relay centers
• Dec 2009 - AN/FRD-10 - created page for CDAA system & components
• Dec 2009 - Antennas - added pdf report on Conical Monopole performance modeling
• Dec 2009 - Guam (Barrigada) - created page and added photos from Jon Springer
• Dec 2009 - Frequency Standards - added photos of AN/URQ-10, O-1107/SRC-16, O-1824/U 
• Dec 2009 - Receive Multicouplers - added photos of AN/SRA-50, CU-2065/BRR, 
• Dec 2009 - Receive Multicouplers - added new pages & photos  for CU-2007/SRR & CU-2268/U
• Dec 2009 - WW2 Direction Finders - Created page with photos & info
• Dec 2009 - Pre-WW2 Receivers - Created SE (Bureau of Steam Engineering) Page
• Dec 2009 - WW2 Receivers - Added RBF, RBK, RBV, RBY, RDM photos
• Dec 2009 - WW2 Receivers - Created separate pages for RAK/RAL, RAS, RBA, RBB/RBC, RBM & added photos
• Dec 2009 - TTY Misc - Added AN/FGC-7(A) repeater spec sheets
• Dec 2009 - Torn Tape Relay Equipment - created new page and started adding photos & spec sheets
• Dec 2009 - Receive Multicouplers - added spec sheets for RXA
• Dec 2009 - AM-215/U Audio Amp - added page with spec sheets for various models
• Dec 2009 - Antennas - added spec sheets on AN/FRA-109 600kw shore station transmitting antenna system
• Dec 2009 - SSB-1 - added Navy spec sheets for CRV-SSB-1 transceiver
• Dec 2009 - Receiver Site AF/RF Signal Distribution Units - added AN/URQ-9 spec sheets
• Dec 2009 - Transmitting Antenna Tuners - added AN/FRA-49 and AN/SRA-16 multicoupler spec sheets
• Dec 2009 - Directory of Communication Equipment - created page with index and general info
• Dec 2009 - MF/HF Receivers - added R-366/TRR-5 photos
• Dec 2009 - TMC Transmitter Components - Added O-579/URT (TMC TTG) two-tone test generator
• Dec 2009 - TTY Multiplexers - Added more UCC-1 photos and TS-2232/UCC-1 test set
• Dec 2009 - TTY Misc - Added TTY test equipment AN/UGM-8, AN/UGM-11, TS-3069/USM
• Dec 2009 - LF & VLF Receivers - added high quality AN/BRR-3 photos
• Dec 2009 - Puzzlers - added a list of prototype units (XN) 
• Dec 2009 - Radio Circuits  - added HICOM, Golf, Charlie, November, Uniform info
• Dec 2009 - TTY Misc - added link to manual for PP-2232/U Loop Supply
• Dec 2009 - Publications - CEMB - added chapters from 1946 & 1952 Communications Equipment Maintenance Bulletins
• Nov 2009 - Frequency Standards - created new page with URQ-9, URQ-13, AM-2123 info
• Nov 2009 - Antennas - added photo showing typical shipboard antenna congestion
• Nov 2009 - Receiver RF Patch Panel & Switches - split off new page from Receiver Multicouplers
• Nov 2009 - Receiver Multicoupler Development - new page on NRL technology development
• Nov 2009 - Transmitter Multicoupler Development - new page on NRL technology development
• Nov 2009 - Receiver SSB Converters - created new page split off from AF switchboards & speakers
• Nov 2009 - RAL/RAK power supply - schematics, parts list, etc. from RAL-8 manual
• Nov 2009 - Teletype - added photos of TT-176C/UG, TT-187/UG, TT-187A/UG, TT-192/UG, TT-192A/UG, & TT-253C/UG
• Nov 2009 - Shipboard Radio - added links to USS Kidd DD-661 radio room photos
• Nov 2009 - Shipboard Radio - added links to USS Hornet CVS-12 radio room photos and panoramas
• Nov 2009 - Diversity Receivers - added AN/URR-49 info
• Nov 2009 - Diversity Receivers - added listing for AN/FRR-51 - What is it?
• Nov 2009 - LF & VLF Transmitters- added link to Jim Hawkins' FRT-87 (NSS) photos/info page
• Nov 2009 - LF & VLF Transmitters - split off  new page, added FRT-72 photos & info
• Nov 2009 - Transmitter Tuners - added photo of high power RF patch panel
• Nov 2009 - Radio Circuits - Added Fleet Multichannel broadcast diagrams
• Nov 2009 - Antennas - added wire antenna installation & hardware drawings
• Nov 2009 - Transmitters- added info/photos on FRT-70 & FRT-83/84/85/86 family
• Nov 2009 - Transmitters - added photos and block diagram of FRT-39, FRT-40
• Nov 2009 - COMMSTA Transmitters - added link to Darian Paganelli's great Bouknadel photo page
• Oct 2009 - RTTY Keyers - added info on MX-1262/URT
• Oct 2009 - NAVCOMMSTA Yongsan - created page with photos
• Oct 2009 - Mystery 51J-4 - created page
• Oct 2009 - Receiver AF Equipment - added TS-629/U and ID-1185/FRA AF level meters
• Oct 2009 - NAVCOMMSTA Newport - created page
• Oct 2009 - Wanted - updated page
• Oct 2009 - AN/FCC-3 RTTY Multiplexer - added FCC-3A photos
• Oct 2009 - Antennas - added CU-836/U receiving balun & NT-10658A antenna clamp
• Oct 2009 - Links - added link to Mike Ellis's new book Chief Page
• Sep 2009 - Links - Go to http://www.qrz.com/db/KD6TKX to see Andy's really great WW2 Navy Radio Shack
• Sep 2009 - Receivers - added R-1414, R-1655, & R-2368  photos
• Sep 2009 - AN/FRR-60 Restoration - started adding photos
• Sep 2009 - Transportable Communication Stations - started new page - more info later
• Aug 2009 - Fixed Frequency Receiver Page - split off from main receiver page
• Aug 2009 - TMC Transmitter Components - split off from main transmitter page
• Aug 2009 - Shipboard Transmitters & Transceivers - split off from main transmitter page
• Aug 2009 - AN/FRR-60 Diversity Receiver - started page - have more to add later
• Aug 2009 - Receiver Accessories - added photo of AM-215A/U audio amplifier
• Aug 2009 - Transmitter Patch Panels - added SA-285 switch and high-power RF patch panel photos
• Aug 2009 - Transmitters - added new AN/URT-17A photos
• Aug 2009 - AN/URC-32 - added downloadable manuals in .pdf format
• Aug 2009 - SSB-1 - added info on RCA SSB-1 transceiver
• Jul 2009 - Misc RTTY - added article on TT-63A/FGC regenerative repeater
• Jul 2009 - Shipboard Radio - added DD-782 photos from RM2 John Shaw
• Jul 2009 - AN/FRR-42 & AN/FRR-43 receivers - added page with info
• Jul 2009 - R-388/URR Variant Info - added page with contract numbers, data base, and illustrative photos
• Jul 2009 - AN/FRQ-3 Transmitter Control Console - added page with photos and info
• Jul 2009 - COMMSTA RF & AF Signal Distribution Unit - added page with photos & info
• Jun 2009 - What's New - added this page and started to backfill info
• Jun 2009 - Transmitting Antenna Tuner - added AN/URA-27 photos and info
• Jun 2009 - RTTY TU - added AN/SGC-1 page with schematic and info
• Jun 2009 - SSB converters - added AN/URA-42 info
• Jun 2009 - Transmitters - added AN/URC-8 info
• Jun 2009 - Publications -  added info on NAVSHIPS 94200.1 Directory of Communication Equipment
• Jun 2009 - HF Receivers - added updates on AN/URR-23A and R-388/URR contracts - need more info!
• Jun 2009 - Diversity receivers - added AN/FRR-32 info
• Jun 2009 - Receive antenna switching - added AN/FRA-3 info
• Jun 2009 - Communications manuals - added more tables of contents
• Jun 2009 - Morse Recorder - added more photos and info on RD-110/U
• Jun 2009 - Shipboard Radio - added 1945 and 1975 diagrams of typical shipboard radio systems
• Jun 2009 - USS North Carolina - added pages on radio spaces, patch panels, antennas
• Jun 2009 - Transmitting Keys - added NT-23005A info
• May 2009 - Communication Ships - added page with photos and info
• May 2009 - COMMSTA Facilities - added photos of Guam transmitter building and antenna switchyard
• May 2009 - COMMSTA Facilities - added pdf download for "Navy Cold War Communication Context: Resources Associated with the Navy's Communication Program 1946-1989"
• May 2009 - Diversity receivers - added AN/FRR-38, AN/FRR-40 info
• May 2009 - WWII Receivers - added page with photos
• May 2009 - WWII Transmitters & Transceivers - added page with photos
• May 2009 - RTTY Keyers - added KY-32/GRT photo
• Apr 2009 - COMMSTA Puerto Rico - created page with photos, info, etc.
• Apr 2009 - COMMSTA - added links to Philippines web sites
• Apr 2009 - Receivers - split Diversity, VLF, and VHF receivers off into separate pages
• Apr 2009 - COMMSTA - added link to cool Nea Makri site
• Apr 2009 - USS Slater - added page with photos
• Apr 2009 - USS New Jersey - added page with photos
• Apr 2009 - USS Massachusetts - added page with photos
• Apr 2009 - RTTY Misc - added PP-765 Loop Supply schematic and info
• Mar 2009 - Shipboard Radio - added links to video tours of radio spaces
• Mar 2009 - RTTY Multiplexers - added AN/FGC-5 page
• Mar 2009 - RTTY Multiplexers - added AN/FCC-3 page
• Mar 2009 - RTTY Multiplexers - added AN/FGC-60(V) page
• Mar 2009 - R-1051 receiver - created page with info and photos on all variants