[Lowfer] 12% gain in loop current...

[Dave Brown]

My tuning caps are all in the shack and I never have to retune the loop
other than when I QSY. One thing though- on SSB you CAN use the loop tuning
to optimise the received s/n for weak signals - it works by selectively
modifiying the AF response of the overall receive system.  Gotta be heard to
be believed but it really works!
73
Dave
ZL3FJ

----- Original Message -----
From: "Bill Ashlock" <ashlockw@hotmail.com>
To: <lowfer@mailman.qth.net>
Sent: Thursday, August 08, 2002 5:35 PM
Subject: RE: [Lowfer] 12% gain in loop current...


> Mike
>
> >How does the trimmer caps do over time outside???
>
> Seem to be OK over the last 8 mounths or so, since I added the drain holes
> to the botom of the plastic enclosure. This mainly keeps the
> humidity/condensation down.
>
> >you have to retune after rain or summer/winter temp changes???
>
> Not too much need to re-tune. Seems like the only time I have to tune is
> shortly after I install a new conductor. It usually takes a few days to
> settle in place. Rain doesn't effect the tuning much. Snow, if really
> sticky, has a small effect.
>
> Bill
>
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