Topband: Antipodal Focusing Of RF Signals

[Thomas Giella KN4LF]

True antipodal focusing of transmitted RF signals does occur at HF frequencies. BUT as Bob Brown NM7M pointed out in an earlier post the ionosphere at medium frequencies is to heterogeneous to support antipodal focusing. 

73 & GUD DX,
Thomas F. Giella, KN4LF
Retired Space & Atmospheric Weather Forecaster
Plant City, FL, USA
Grid Square EL87WX

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