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1. LF: MF earth-electrode improvements (score: 1): Author: Roger Lapthorn <[email protected]>; Date: Tue, 18 Feb 2014 20:16:06 +0000; Since starting 474.2kHz WSPR TX with the 15m baseline earth-electrode "antenna" I have made 2 improvements: (1) Resonating the "loop" with 50-200uH of inductance, empirically to give most antenna cur; /rsgb_lf_group-archives/html/rsgb_lf_group/2014-02/msg00118.html (10,918 bytes)

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