[ARC5] Addenndum: TU-4 vs. B-29 Radio Sets

Mike Morrow kk5f at earthlink.net
Mon Nov 26 15:32:54 EST 2012


I wrote:

> Here's a list of other radio sets in the TU-4, from a 1950 Soviet manual:
>                                  Soviet           US
> System                           Nomenclature     Equivalent
>
> MF/HF Liaison Transmitter        1RSB-70          ATC
> MF/HF Liaison Receiver           US-9             BC-348-H/K/L/R
> MF/HF Command Set                USAAF SCR-274-N  SCR-274-N
> VHF Command Set                  12RSU-10         SCR-522-A
> Interphone Set                   SPU-14           RC-36
> Automatic Direction Finder       ARK-5            SCR-269-*
> VHF Localizer Receiver           KP-RUSP-45       RC-103-A
> Marker Beacon Receiver           MRP-45           Similar to RC-43-*
> Radio Altimeter                  RV-2             Simplified AN/APN-1
> Emergency 500 kHz Transmitter    AVRA-45          SCR-578-*

Here's a comparison list of radio sets likely to be found on B-29 aircraft
in 1945:
System                           Soviet TU-4      USAAF B-29

MF/HF Liaison Transmitter        1RSB-70          T-47A/ART-13
MF/HF Liaison Receiver           US-9             BC-348-R or -Q
MF/HF Command Set                USAAF SCR-274-N  SCR-274-N (BC-453-B)
VHF Command Set                  12RSU-10         AN/ARC-3
Interphone Set                   SPU-14           AN/AIC-2 (AM-26/AIC)
Automatic Direction Finder       ARK-5            AN/ARN-7, plus AN/ARR-1
                                                  VHF homing adapter
VHF Localizer Receiver           KP-RUSP-45       RC-103-A, plus AN/ARN-5
                                                  UHF glide slope system
Marker Beacon Receiver           MRP-45           RC-193
Radio Altimeter                  RV-2             AN/APN-1
Emergency 500 kHz Transmitter    AVRA-45          SCR-578-* or AN/CRT-3

The equipment supposedly copied by the Soviets from impounded B-29s seem to
be earlier generation gear for the most part, compared to what was actually
flying in US service.  If TU-4 gear was copied from impounded B-29s, it should
have been of more up-to-date vintage.

Disagreement and correction are welcome, as always.

73,
Mike / KK5F


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