[Milsurplus] Crystal Unit 703-A

[WA5CAB at cs.com]

Western Electric 233A (AN/ARC-4).  Each crystal unit contains two crystals, 
one for receiver and one for transmitter.

In a message dated 1/17/2008 12:19:24 PM Central Standard Time, 
ianmwilson73 at gmail.com writes: 
> I have a few of these. Nice chunky 1.25" x 1.25" x 0.75", 3-pin unit.
> Marked 144.36Mc. Some marked Western Electric. No info available
> via Google except for other people looking for information on these
> units (other frequencies, though) every few years.
> 
> Fundamental resonant frequency measured as 8.396MHz.
> Times 18 comes out as 151.128MHz, for an IF of 6.768MHz.
> 
> Times 6 is 50.376MHz, close to 6m AM call frequency. :).
> 
> Anyone know what these were used in?
> 

Robert & Susan Downs - Houston
<http://www.wa5cab.com> (Web Store)
MVPA 9480
<wa5cab at cs.com> (Primary email)
<wa5cab at comcast.net> (Backup email)
   
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