[Lowfer] TH and HS

John Andrews [email protected]
Fri, 18 Apr 2003 18:44:55 -0400


Bill,

> Thanks for mentioning HS. I'll check him out tonight.

Things were very quiet this morning. I've listened a few times for both TH
and HS in the evening in the last week, but have heard nothing.

> I recall you said your setup didn't have a very high Q but this one
appears
> be about 200. Is it your low Z preamp, designed for low noise, that is the
> difference?

No. I'm only using a 1 to 2 turns ratio right now. That has provided enough
signal, and allows switched capacitor tuning. I will tinker with that over
the summer. I'm planning to add a motor driven variable cap to bridge the
gaps between the switched capacitor steps. This will allow me to raise the
turns ratio and extract more of the available signal. I'm also looking to
narrow the BW, which may be a help down on 136.

BTW, I have run captures for the last two nights on 185.3, and have only
seen WA. Looks like you were off until about 2:30 AM today.

John A.