There are lots of other reasons as well. As is often the case on the low
bands,
at the sunset opening to Europe, even though Eur signals are loud, they
cannot seem to hear us very well. Actually, I believe that our atmospheric
noise
level is much lower at that time than theirs in the middle of the night.
U.S.
west coast/east coast contacts experience similar effects. Different levels
of
Ionisperic absorbtion may also be a contributor.
73 Dallas W3PP
> On Sun, 2003-11-16 at 23:25, K0HB wrote:
> > I'm glad someone else noticed! I've always kinda wondered if "one-way
> > skip" was real, but this weekend made a believer out of me. On all
bands,
> > but it seemed especially on 20, I had many instances where guys with
HUGE
> > signals couldn't even seem to hear me when I put a full-legal signal
right
> > at them. This seemed most prevalent with signals from the NE. One W1
was
> > an honest 10-over-9 and CQ'd in my face for at least a minute before I
got
> > his attention. I wondered if some of those Greenies had climbed my
tower
> > and substituted a cantenna for my TH7!
>
> I've sure heard enough reports of one-way propagation to believe it,
> but...
>
> I can also think of some other reasons for loud stations to CQ in your
> face..
>
> - QRM was intense.
> - He had some kind of equipment or operator failure - maybe had the SO2R
> box stuck to listen on the wrong radio, or bumped the SPLIT button, or
> something like that.
> - Restroom break.
>
> I suppose #2 and #3 would be unlikely to affect enough stations to cause
> this to be observed in general. With 10 not much good though, I
> wouldn't be at all surprised if QRM made copy difficult.
> --
> Doug Smith W9WI
> Pleasant View (Nashville), TN EM66
> http://www.w9wi.com
>
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