[TowerTalk] Reradiated Noise from Delta Loop

[Robert Harmon]

Dick,
That is encouraging.  I hope I can get a drop like that in the received noise.
Thanks for the feedback.
Bob
K6UJ


On Sep 12, 2010, at 5:10 PM, Richard Solomon wrote:

> A 6-8' Loop Antenna mounted on a R/S TV Rotator did wonders for nulling
> out the noise. I got about a 3-4 S-Unit reduction. But then, I am not
> that far from Fort Upchucka !!
> 
> 73, Dick, W1KSZ
> 
> -----Original Message-----
> From: towertalk-bounces at contesting.com
> [mailto:towertalk-bounces at contesting.com]On Behalf Of Robert Harmon
> Sent: Sunday, September 12, 2010 4:22 PM
> To: towertalk at contesting.com
> Subject: [TowerTalk] Reradiated Noise from Delta Loop
> 
> 
> I am experimenting with a flag antenna for receiving on 80 to hopefully
> orient it so our local power line noise is reduced.  The noise been up to S6
> to S7 on 80 meters.
> I am using a full wave delta loop for 80 strung off the side of my tower.
> I'm using a balanced tuner and ladder line feeding it for vertical
> polarization.  It would probably reduce the
> noise level if I fed it for horizontal polarization  (??) but I want the
> lowest angle of radiation for DX use.  I figure its best to try a separate
> receive antenna so I am experimenting with
> different antennas to see what is going to work the best to reduce the noise
> level.
> I think the delta loop is reradiating the noise so need to figure out how to
> open it somewhere or ground it.   I have been searching through the archives
> and found one solution was
> opening up the delta loop in the middle of the bottom horizontal leg.
> Anyone had success with other options to "de-noise" the loop ?
> 
> Bob
> K6UJ
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