Do crystals stop working?

[Glen Zook]

My SB-301 was like that, had to slightly retune the
oscillator coil.

Glen, K9STH


--- Craig Buck <K4IA at AOL.COM> wrote:
> Like another post, my SB-102 goes deaf.  It is
> intermittent on 20.  Sometimes
> when I turn it on, 20 works fine but other times it
> comes on dead leaving me
> to believe this is not a bandswitch problem.  When
> it happens, there are no
> signals and the preselector makes no difference --
> just white noise, and no
> transmission.  S meter operates normally,  I can
> hear a rushing noise on my
> other receiver when I try to transmit but there is
> no signal where it is
> supposed to be.
>
> Ideas?
>
> Radio K4IA
> Craig Buck
> Fredericksburg, Virginia USA
> QRP ARCI #2550  FISTS #6702 CC 788
> K1 #470
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