Lemkes wrote:
> That's over 10 dB loss of sensitivity as I narrow the filters which
can easily lose a weak signal as I try to isolate it from nearby QRM. I
can't believe that such loss of performance is normal.
I don't think so. One thing that could cause this is a problem with T7.
Check that it is wound on an FT37-43 core and has a 5:20 turns ratio.
--
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco
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