[Boatanchors] F.S. Fundamentals of Single SideBand - Collins Radio Company

2015-08-12 Thread Patrick Marineau
1959  VG-EXC condition.  $24 shipped lower 48.  Will swap for a GF-series
transmitter coil.
Thanks,
Pat K9HF
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Re: [Boatanchors] Neat Source of Modified Crystals

2015-08-12 Thread q...@kd4e.com
I was wondering about that as I recall reading a discussion of
such things a couple of decades ago ... detail long since
misplaced in the cerebral cobwebs somewhere ...

Thanks - David KD4E

> You have to understand that HC49S crystals can't handle the power
> that FT-243 crystals can. They are more fragile than the larger ones.
> Be careful when using them in vacuum tube applications. Heating may
> not fracture them but may cause chirp and drift.
> 
> 73 Bill wa4lav
> 
> Not sure if these will work in any rigs other than those listed - but
> worth inquiring ... considering the price!
> 
> http://kc9on.com/hc-49s-crystals/



-- 

*David* KD4E
ARES-EC Bulloch County, Nevils, Georgia USA

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