[ARC5] Beacon Receiver Nomenclature

[Mike Morrow]

Robert wrote:

> I have been trying for two days to remember or track down the nomenclature 
> of the LF/MF Beacon Receiver similar to the BC-1206 but with AN/ 
> nomenclature.  Does anyone remember it?
>
> Also, what (if anything) does a Setchell-Carlson 512 cross to (Military 
> nomenclature)?

The Setchell-Carlson 512 has the JAN nomenclature of R-76/ARR-13.  It requires HV and 14 vdc was intended to get that power from the RCA AVA-126 vibrator PS that was part of the RCA AVR-20-A1/AVT-112 MF/HF set for light observation aircraft.  The 512 also has a 278 kHz srlect switch.

There is also the Setchell-Carlson 591 which uses a combined A and B dry-battery power source.  Its JAN nomenclature is AN/CRR-1.  It was to be supplied on USAAF aircraft flying in arctic regions as an emergency receiver used along with the SCR-578-* Gibson Girl 500 kHz A2 transmitter for two-way MF communication, although the 591 frequency coverage is 200 to 420 kHz A2/A3 and does not reach 500 kHz.

The JAN nomenclature for the 512 is stamped in red paint on the panel.  For the 591 it appears only in the instuction booklet. 

Mike / KK5F