[CQ-Contest] Es polarization
KR2Q at worldnet.att.net
Thu Jul 31 13:28:31 EDT 1997
Yeah, I've heard this...it's weird. But you CAN hear it
with a horizontally polarized antenna...you just have to
beam at 90 degree away from where the signals come from.
It works! Guess it's like a vertical (each element) bent
over so that their PROJECTION (as in "shadow") is vertically
polarized. Try it next time and let us know.
de Doug KR2Q
At 03:41 PM 07/30/97 +0000, you wrote:
>A couple evenings ago, several of us locals were ragchewing
>on 10 meters. After a while, some sporadic-E stations broke
>in. Three of these stations were using verticals, and their
>signals were definitely arriving here vertically polarized.
>The local guys using verticals could hear the Es stations
>perfectly, and there was not a whisper of their signal on
>horizontally polarized yagis. I could not hear these stations
>on my six element tribander, but they were easy copy on my
>80 meter half sloper. The opening went on for about a
>half hour, and the Es stations were inaudible on the yagi
>throughout this period.
>I always thought that skywave signals got randomly rotated in
>polarization. Is sporadic E a special case, where the
>polarization tends to stay unrotated?
>With all of the verticals on 10 meter SSB, this may be a
>good reason to install a 10m vertical for the upcoming NAQP
>Dave Hachadorian, K6LL
>k6ll at juno.com
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