Topband: Vertical and horizontal polarized antennas

[Mike Waters]

This is a very well-established fact! See
http://www.w0btu.com/160_meters.html.

73, Mike
www.w0btu.com

On Sat, Nov 17, 2018, 5:56 AM Clive GM3POI <clive at gm3poi.com> wrote:

> My take on this is that having had a low inverted vee at about 80ft and a
> top loaded vertical over a very good ground system to compare against each
> other. I have found the following that despite the vertical being short
> 60ft
> with the exception of stations within 200miles the vertical is always
> better. However the vertical is about 87% efficient with a serious amount
> of
> long radials.
> YMMV  73 Clive GM3POI
>
> -----Original Message-----
> From: Topband [mailto:topband-bounces at contesting.com] On Behalf Of Roger
> Kennedy
> Sent: 17 November 2018 11:43
> To: topband at contesting.com
> Subject: Topband: Vertical and horizontal polarized antennas
>
>
> I think most people know I use a horizontal 160m Dipole as my main antenna
> .
> . .
>
> But my 6ft Receiving Loop is vertically polarised . . . so it's quite
> interesting to see the difference in signals between the two. (I have a
> pre-amp that makes local signals the same strength on the Loop)
>
> Most EU signals are stronger on the Dipole . . . and listening to those
> wide
> radar type signals (from Russia?) there is a huge difference in tone when
> switching (due to phase differences)
>
> However . . . although SOME DX signals are stronger on the Loop, it's
> interesting that most of the time, they're exactly the same strength.
>
> (but my S/N is usually 6 -10dB better on the Loop . . even more if there's
> any local switch-mode electrical interference)
>
> Regarding 160m Conditions, not bad on Thursday night . . . but poor last
> night - apart from a Sunset Peak sweeping across NA, after that signals
> dropped right off. (my signals typically dropping 25dB on RBN sites).
>
> Roger G3YRO
>
>
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