Topband: RX and TX questions

Richard (Rick) Karlquist richard at
Wed Aug 25 22:12:15 PDT 2010

rick darwicki wrote:
> Gents,
> With the start of the the season I once again seek to improve things.
> I plan on taking down my 160 RX loop and making it a full .1 wave single turn with a rotor and bottom corner about 15 ft above ground. Any thoughts as to tuning it or not tuning it with a capacitor? Would tuning result in any better S/N ratio? I have a preamp and have had problems in the past with tuned loops changing with age/weather/spiders etc but could do the varactor thing.

For an example of varactor tuning, see:

You shouldn't need a preamp with this loop.

Rick N6RK

> Rick, N6PE
> ==============================================================================
> Insanity is doing the same thing over and over and expecting different results. Albert Einstein
> _______________________________________________
> UR RST IS ... ... ..9 QSB QSB - hw? BK

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