[Antennas] Loop vs Dipole

2003年10月03日 07:47:22 -0500

Gene-
what band are you working, and what are the dimensions of your loop?
I have a problem with the downhill phenomenon- I live on a point (toward 
the South), and, depending on the wind, I cover either the Virgin Islands 
or Yucatan.
Thanks- Bill
At 12:14 PM 10/3/2003 +0000, you wrote:
>Geo
> I feed my loop at the apex, at the high current point. When I was in 
> grad school, that was the point that radiated, I sugest it still is. Also 
> some suggest the feed at the top results in vertical polarization, at the 
> bottom center, horizontal polarization. Is it possible that insufficient 
> height above ground is working against you? I hope you are using a balun 
> with proper ratio. and not using open wire feeders.
> My configuration works well on all bands, It worked so well for me that 
> I have 3 loops phased. My performance this week, included a 15 minute 
> chat with Taiwan, a QSO with a station in Viet Nam, several S-9+ reports 
> from Japanese stations on SSB, reports from Europe and Eurasia that I was 
> the loudest station on the band. And all this from my 100 w old Kenwood.
> On second thought, I am on a ridge looking north, that slopes about a 
> thousand feet downhill to the North. My array is fixxed at magnetic 
> North. my modeling software suggests that the electrons roll downhill and 
> pick up inertia. Also, there is the pine needle and oak leaf factors, as 
> I am in the immediate vicinity of several.
>Regards,
>KZ5V aka Gene Mason

Bill Aycock - W4BSG
Woodville, Alabama