Topband: Wellbrook receive loop performance

Guy Olinger K2AV olinger at bellsouth.net
Tue Apr 10 06:51:41 PDT 2012


When you say quieter, is that comparing signal to noise on a common
signal, or just listening to the level of noise raw from the two
antennas?  73, Guy

On Tue, Apr 10, 2012 at 8:49 AM, joe <galicic at comcast.net> wrote:
> I am experimenting with a small one meter square loop.  It is 5 turns of
> #14 wire with a one turn pickup loop.  Feeding the pickup loop directly
> with 50 ohm coax.  Using air variable cap to resonate the 5 turn loop.
> I have it setup in my basement on a tripod with small TV rotator and it
> works amazingly well.  I can null stations about 3-4 S units with it and
> it is about 4 S units (24 DB) quieter than my inverted L.  I also have a
> short 140 foot BOG and the loop performs nearly the same with the added
> ability null out noise sources.  I plan to move it outside and take some
> more measurements.  I'm pretty impressed so far.  -Joe KB3KJS
>
>
>
>
> On Mon, 2012-04-09 at 17:17 -0700, Jim WA9YSD wrote:
>> How well does this antenna perform in a City environment like mine on top of a 50 foot tower?
>>
>> Stay on course, fight a good fight, and keep the faith. Jim K9TF/WA9YSD
>> _______________________________________________
>> UR RST IS ... ... ..9 QSB QSB - hw? BK
>
>
> _______________________________________________
> UR RST IS ... ... ..9 QSB QSB - hw? BK


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