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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*Topband\:\s+Bi\-directional\s+prop\s*$/: 6 ]

Total 6 documents matching your query.

1. Topband: Bi-directional prop (score: 1)
Author: ford@cmgate.com (Ford Peterson)
Date: Wed, 25 Sep 2002 23:40:34 -0500
I'm a strong believer in the station hearing me as well as I hear him. Reciprocity in propagation seems to be the norm. I've got a new set of antennas this year on 160M/80M A 50' rohn 25G with top lo
/archives//html/Topband/2002-09/msg00187.html (7,578 bytes)

2. Topband: Bi-directional prop (score: 1)
Author: W8JI@contesting.com (Tom Rauch)
Date: Thu, 26 Sep 2002 16:09:39 -0400
I've been wondering how to test path direction differences for years. The only way I can think of testing path direction differences is to have systems with calibrated signal level voltage meters an
/archives//html/Topband/2002-09/msg00190.html (7,938 bytes)

3. Topband: Bi-directional prop (score: 1)
Author: K3BU@aol.com (by way of Bill Tippett <btippett@alum.mit.edu>)
Date: Thu, 26 Sep 2002 21:41:32 -0400
stronger than what I am hearing on my end. My noise floor is near S0 when the local power lines are not arching over. Path to Panama were consistant with the reciprocity principle. Polar paths were m
/archives//html/Topband/2002-09/msg00192.html (8,727 bytes)

4. Topband: Bi-directional prop (score: 1)
Author: kt1v@demop.com (Ted Demopoulos)
Date: Thu, 26 Sep 2002 23:25:48 -0400
Not agreeing or disagreeing with whether bi-directional prop exists, I need to state what that this quite simply is not proof! Proof has a *very* strong meaning to me (like the directionary meaning
/archives//html/Topband/2002-09/msg00193.html (7,481 bytes)

5. Topband: Bi-directional prop (score: 1)
Author: ford@cmgate.com (Ford Peterson)
Date: Thu, 26 Sep 2002 22:20:01 -0500
** We are at rather high MAGNETIC latitude & are quite often affected by the auroral zone affects, which others to the south don't experience. Although many of the European & Asiatic countries are at
/archives//html/Topband/2002-09/msg00194.html (11,085 bytes)

6. Topband: Bi-directional prop (score: 1)
Author: W8JI@contesting.com (Tom Rauch)
Date: Fri, 27 Sep 2002 07:38:58 -0400
If the effective radiated power, background noise, and operator's ability to hear signals are different at each end of the path... there is no possible way we can expect equal copy at both ends. Bac
/archives//html/Topband/2002-09/msg00196.html (8,226 bytes)


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