Topband: one- way propagation

[Doug Renwick]

Nope, Nope.  I am a firm believer in one-way propagation on 160m, having
witnessed it many times.  Let me give you a recent example.  In the last
weekends contest I worked LY7M.  We both run decent stations.  We exchanged
emails after including actual signal strength.  Saulius copied me 579; I
copied him 539 with my 4-square.  When I called he came right back to me.
QRN, QRM, QSB were not a factor at my end.  Often I will hear a weak EU
station calling CQ will little response.  I call and I am copied
immediately.  Anecdotal you say.  True but many times experience trumps
theory.

Doug

-----Original Message-----

Interesting theories and observations regarding one way propagation..My 
take is that most of the seemingly one way prop is more dependent on 
operator skill and the local qrn at one end of the circuit..With the 
current conditions this past 12 months most usually strong signals on 
the band are often attenuated due to less than a reliable path..I hear 
many signals that may be only S1-3and few hear a station calling 
them..These conditions may give the impression of "one way" prop but it 
is more likely due to qrn conditions at the listening end...I am looking 
at this from the VK cross the Equator Summer/Winter differences which 
have a big influence on making a contact..My observations over 35 years 
show that there is propagation most of the time all year if stations 
take the time and patience to listen for DX..

Bob..VK3ZL..
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Topband reflector - topband at contesting.com