[Boatanchors] crystal question

[WA5CAB at cs.com]

Assuming that the crystals are FT-243 types:

SCR-609/610 (BC-659)
SCR-619 (BC-1335)
AN/TRC-20 (RT-111/TRC-20)

Operating frequencies would be 36.3 through 37.4 MC.

In a message dated 12/06/2012 20:20:53 PM Central Standard Time, 
cosmophone at yahoo.com writes: 
> Among a lot of parts I bought recently there were five crystals which, I 
> guess, are for a military piece of radio gear.  The frequencies in KHz/Kc 
> are:
> 
> 8000   channel 363
> 8025   channel 364
> 
> 8100   channel 367 
> 
> 8175   channel 370
> 
> 8275   channel 374
> 
> Can anyone enlighten me as to what equipment uses these and if they have 
> any value in today's world.
> 

Robert Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480