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Cecil Moore schreef:
Al Lorona wrote: I can't find any references anywhere that discuss this, taking into account all of the variables: height of ionosphere, frequency, etc. The ARRL Antenna Book has charts and graphs of such. And, for as far as I know, recent versions of the ARRL antenna book include the HFTA program, to analyze the effect of sloping/unregular terrain. Arie. |
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