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Total 8 documents matching your query.

1. Topband: Topband Propagation (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Sat, 6 Jan 2001 16:02:03 -0600; Bob (NM7M) After just finishing your book on Long Path Prop, I am left with the question. ...where the geomagnetic field lines are 60-70 degrees from the horizontal; that is called quasi-transverse p; /archives//html/Topband/2001-01/msg00062.html (7,053 bytes)
2. Topband: Topband Propagation (score: 1): Author: "Thomas Giella KN4LF" <kn4lf@tampabay.rr.com>; Date: Tue, 14 Oct 2003 11:12:31 -0400; Per W0AH's query: I have the following on my propagation website at http://www.kn4lf.com/kn4lf5.htm . Read #4 and #5. Here are some general guidelines concerning correlation of propagation indices to; /archives//html/Topband/2003-10/msg00080.html (10,330 bytes)
3. Topband: Topband Propagation (score: 1): Author: Robert Brown <bobnm7m@cnw.com>; Date: Fri, 7 Jan 2005 15:07:37 -0800 (PST); Friends in Radio Land, As I watch the postings on the Reflector, I see a growing interest in Topband propagation but the interest seems misguided, toward setting up many beacons instead of looking di; /archives//html/Topband/2005-01/msg00105.html (8,014 bytes)
4. Re: Topband: Topband Propagation (score: 1): Author: "Ford Peterson" <ford@cmgate.com>; Date: Fri, 7 Jan 2005 19:23:51 -0600; ...snip... Bob, and others Perhaps what you are referring to is setting up a system by which atmospheric data can be collected simultaneous to a beacon, or series of beacons, used to study propagatio; /archives//html/Topband/2005-01/msg00107.html (9,228 bytes)
5. Re: Topband: Topband Propagation (score: 1): Author: Robert Brown <bobnm7m@cnw.com>; Date: Fri, 7 Jan 2005 19:09:03 -0800 (PST); Ford, What I am proposing amounts to using the control point method, of HF propagation, to find the variables which most influence MF propagation. But the data is local, small-scale, from above 30 km; /archives//html/Topband/2005-01/msg00108.html (8,564 bytes)
6. Re: Topband: Topband Propagation (score: 1): Author: "Ford Peterson" <ford@cmgate.com>; Date: Fri, 7 Jan 2005 21:27:23 -0600; ...snip... Bob, and others... I have access to the Radiosonde data needed for the entire US (world? I dunno--never looked elsewhere but it does appear to be in the data). I can provide the following; /archives//html/Topband/2005-01/msg00109.html (9,055 bytes)
7. Re: Topband: Topband Propagation (score: 1): Author: Robert Brown <bobnm7m@cnw.com>; Date: Fri, 7 Jan 2005 23:19:22 -0800 (PST); could this provide an indicator of what is going on? It seems to me, if refraction is occurring along certain paths, (read: skewing, spotlighting, peaks, nulls) then the atmospheric data at altitude; /archives//html/Topband/2005-01/msg00113.html (8,291 bytes)
8. Topband: Topband Propagation (score: 1): Author: "EP Swynar" <gswynar@durham.net>; Date: Wed, 26 Mar 2008 10:40:01 -0500; Good Morning All, Well, as of to-day I've finally decided to stop trying to find ANY corelation(s) between conditions on 160-meters, and the WWV propagation forecasts. This morning's report would hav; /archives//html/Topband/2008-03/msg00073.html (7,340 bytes)

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