[Milsurplus] re SCR-522 ( Milsurplus Digest, Vol 137, Issue 35 )
WA5CAB--- via Milsurplus
milsurplus at mailman.qth.net
Wed Sep 23 01:43:46 EDT 2015
Probably tuning (xmtr power out and rcvr sensitivity) drift rather than
frequency drift. Although the typical 60 to 140 F temperature variation would
shift the crystals slightly, too. No ovens in the SCR-522 or 542.
In a message dated 09/22/2015 23:16:50 PM Central Daylight Time,
kargo_cult at msn.com writes:
> >Bruce Vaughn/NR5Q (SK) was a USAAF radio tech in the ETO. He told me
> that
> >the SCR-522-A was easily the most important and most used USAAF radio set
>
> >in the ETO. But Bruce complained of its drift with temperature change...
>
> Mike, how explain this? The set was quartz-controlled both r and t, and
> the
> IF surely wasn't that selective, right?
> -Hue
Robert Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480
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