[ARC5] ARC-5 as VFO

[Phillip Carpenter]

Glen,

What did Hallicrafters do to the SX-100 Mark IA to improve its stability?

Phillip

Sent from my iPhone

> On Nov 13, 2015, at 5:07 PM, Glen Zook via ARC5 <arc5 at mailman.qth.net> wrote:
> 
> The SX-100 stability improved with the various "Marks".  I have an SX-100 Mark IA that is definitely considerably better than the earlier versions and the Mark II is even better. Glen, K9STH 
> Website: http://k9sth.net
> 
> 
> Well....no....
> 
> MOST of the early Hallicrafters receivers were notoriously unstable. I was 
> amazed, since their transmitters were so stable.
> 
> The SX-28 was stable, but then Halli dropped the ball on receiver stability 
> until their later receivers, when they became stable again.
> 
> The SX-100 was horrible that way. Both mechanically and electronically 
> unstable. Tapping on the table was very obvious.
> 
>> In 1983, I bought a deceased estate SR-150 transceiver of 1963 vintage
>> via a workmate and worked the world with it on 20m SSB with a dipole.
> 
> Yes, that was the era when stability returned to Halli rigs. The SX-101 and 
> the SX-115, and SX-117 were good. Other cheaper receivers were terrible.
> 
> I am speaking from experience...
> 
> 
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