[GreenKeys] Might be a bad weekend...

Bob Camp ham at cq.nu
Sun Dec 2 09:34:46 EST 2007


Hi

There is a lot of reduced carrier / pilot tone SSB up as UHF these days.

A bit outside the HR24's range though ....

Bob


On Dec 2, 2007, at 5:44 AM, Alf Fisher wrote:

> David I. Emery wrote:
> ...  The R-390As actually used with VFT signals had an outboard  
> tracking demod (a CV-157
> if I remember right) that tracked the partially suppressed carrier  
> with a mechanical servo (I kid you not)....
>
>
> In the Signals Museum, there is a 1960's Marconi HR24 Dual Diversity  
> receiver rack that I am about to begin restoration which uses a  
> motorised servo AFC system that operates on reduced carrier SSB.   
> The motor is driven by four 6BW6's (actually CV2136).  Trouble is, I  
> dont think there is any reduced carrier SSB around these days.
>
> Alf Fisher
> G3WSD
> Bedfordshire UK
>
>
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