| KY-30/GRT | ![]() |
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FSK keyer
used with TBL and other? |
NAVSHIPS 91232
manuf Collins |
| KY-58/GRT & KY-75/SRT (KY-58/GRT for shore stations, KY-75/SRT for shipboard) |
![]() FSK keyers - replace oscillator in transmitter - used with TBL and other? 1.0-6.7 mc, 6 watts output |
Spec
Sheet
NAVSHIPS 91543 Manuf - National Radio |
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MX-1262/URT (CBOT-23510) |
FSK Coupling Adapter for TBL transmitter | connects TBL to FSA, FSB, KY-30/GRT, KY-58/GRT, KY-75/SRT
or similar keyer
section 1 couples xmtr master oscillator to FSK keyer. section 2 couples FSK keyer output to xmtr's first IPA tubes |
NAVSHIPS 91885
manuf by American Electronic Laboratories Inc. |
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| CYV-23510 | FSK Coupling Adapter for TBK & TBM transmitters | This is a small unit installed into a TBK (or TBM) transmitter to allow easy hookup of an external frequency shift keyer. Has two tuned RF transformers, one to couple the TBK osc to the 75 ohm FSK input, and the other to couple the 75 ohm FSK output to the TBK IPA. Controls are a common tuning knob for both transformers plus a switch to bypass the FSK. |
NAVSHIPS 900,206
manuf by Press Wireless |
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TH-39/UGT |
![]() photo thanks to Andy Moorer |
AFSK keyer used with AN/URT-19, AN/URT-39, AN/URT-40, others |
TTY signal in and AFSK output to transmitter |
Spec Sheets
Manuf - TMC |
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TH-39A/UGT (TMC TIS-3) |
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AFSK keyer used with AN/URT-19, AN/URT-39, AN/URT-40,
others![]() |
TTY signal in and AFSK output to transmitter |
Spec Sheets
Manuf - TMC |
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TH-39B/UGT (TMC TIS-3) |
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AFSK keyer used with AN/URT-19, AN/URT-39, AN/URT-40,
others![]() |
TTY signal in and AFSK output to transmitter |
Spec Sheets
Manuf - TMC |
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Guam - TH-39's in rack 15 on far right - AN/FCC-3 multiplexer units in rack 14. | - | - |