[Milsurplus] Connector for RCA AVR 20A

[B. Smith]

Good pick another receiver and then get rid of the transmitter and power 
supply etc. Useless weight.



On 7/8/2015 3:43 PM, Mike Morrow wrote:
> The BC-1206-* units could not be used in 14vdc aircraft.  And the classic
> civil aviation beacon-band receive/HF transmit (278 kHz/3105 kHz typical)
> would be unsat for military use.  Even post-WWII military trainer aircraft
> stateside that used HF commamd sets often carried one HF transmitter,
> one HF receiver, and one LF/MF receiver to allow HF plane-to-plane
> communications and the common MF/HF tower communications.
>
> AFAIK, the R-76/ARR-13 (S-C model 512) was the only beacon-band
> receiver utilized on 14vdc aircraft.  The AN/ARR-13 manual specifies
> its power as coming from the same AVA-126 that also served the AVR-20-A1
> and AVT-112.  It provides the range and tower capability that is
> missing from the AVR-20.
>
> I think the AN/ARR-13 was a better choice than the seeming logical
> RCA AVR-15 beacon-band receiver, which is the same size as the AVR-20.
> It is smaller, lighter, has an RF amp stage, and allows quick selection
> of 278 kHz.
>
> Mike / KK5F
>
>> It was a nice set but I would prefer to just have the BC-1206, you still
>> had tower reception and in addition had Range capability. Taking off
> >from those "soft" short fields, the  radio doesn't help much, adds
>> weight and in addition it clutters up a fairly clean cockpit.
>> k4che
>>>> Can anyone provide information on the correct original connectors for the
>>>> receiver to power supply on the AVR 20A. The manual specifies the cordage as
>>>> MI 19518 but does not provide the connector information. The receiver has a
>>>> short pigtail that then connected to a longer line to the power supply. This
>>>> is for a Stinson L-5E aircraft installation.
>>> I addressed the connectors in my last post.  WRT the L-5E, it had a 14 vdc
>>> electrical system, so the common BC-1206 range receivers like the Setchel-
>>> Carlson model 524 were unusable.  It should have instead the Setchel-
>>> Carlson model 512.  That has the JAN nomenclature of R-76/ARR-13.  It uses
>>> 14vdc for filaments and high voltage from the same AVA-126 vibrator unit
>>> that supplied the AVR-20-A1 HF receiver and the AVT-112 HF transmitter.
>>> That's not a bad little set of radios for the L-5 in its era.
>>>
>>> Mike / KK5F
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