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Total 4 documents matching your query.

1. Re: [TowerTalk] takeoff angles and reciprocity (score: 1): Author: Jim Jarvis <jimjarvis@themorsegroup.net>; Date: Sat, 03 Nov 2007 07:49:40 -0400; With due respect to Jim, Rick, David, Roger, and others who have waded in on this topic...some of which is captured, below....might I offer a simplistic observation on what is a complicated topic? Th; /archives//html/Towertalk/2007-11/msg00062.html (9,542 bytes)
2. Re: [TowerTalk] takeoff angles and reciprocity (score: 1): Author: "Dan Zimmerman N3OX" <n3ox@n3ox.net>; Date: Sat, 3 Nov 2007 12:53:13 -0400; If you wait long enough and sample enough signals in both directions you'll find that usual ionospheric propagation is going to be pretty reciprocal. The addition of random ionospheric shifts in amp; /archives//html/Towertalk/2007-11/msg00069.html (8,924 bytes)
3. Re: [TowerTalk] takeoff angles and reciprocity (score: 1): Author: Michael Keane K1MK <k1mk@alum.mit.edu>; Date: Sat, 03 Nov 2007 14:02:43 -0400; Because there was a sporadic-E opening over SW Europe which was sufficiently intense and widespread to link up with the F2 opening to NW Africa One of those less than typical occurences that often go; /archives//html/Towertalk/2007-11/msg00075.html (7,706 bytes)
4. Re: [TowerTalk] takeoff angles and reciprocity (score: 1): Author: Jim Lux <jimlux@earthlink.net>; Date: Sat, 03 Nov 2007 11:36:36 -0700; I think, though, that for terrain effects (e.g. that which HFTA is fooling with), there's no ionosphere involved, so an assumption of isotropic media is probably valid. So reciprocity will work. Whet; /archives//html/Towertalk/2007-11/msg00080.html (8,495 bytes)

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