[Milsurplus] ARC-5 Transmitter Crystals

[WA5CAB at cs.com]

In a message dated 10/29/2004 1:19:55 AM Central Daylight Time, 
AAF-Radio-1 at cox.net writes: 
> The 'standard' crystal freqs for the ARC-5 sets are listed in the ARC-5 
> transmitter section of my web page - 
> http://members.cox.net/aafradio/flightdeck/flightdeck.htm - but they are 
> not the only ones that were produced.  Next to the T-15 in the top row 
> is an O-4/ARC-5 oscillator that was used to spot tune the stabilized 
> receivers, and there are probably dozens of crystals used with that set, 
> though they are pretty difficult to find today.   I think I only have a 
> dozen or so of the oddballs.  None at 3885, darn it...
> 

That may be where the two odd ones (5205 and 5500) that I had came from.  I 
note that both 5205 and 5500 are common BC-611 frequencies.

> I suspect there was a lot of crystal swapping between the three versions 
> of the command transmitters "back in the day"....
> 

Yes.  The AN/ARC-5 parts list describes the octal crystal holder as 
"equivalent to Signal Corps DC-8-A".  If the holders ever got an AN type number (CR-?), 
I never saw an example.

Robert Downs - Houston
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