Does my EFHW antenna need a counterpoise?

Counterpoises and End-Fed Half Wave antennas. Sigh. The magic forest of hidden fairies and other fancy tales. To start, I want to mention one allegory that might help explain what is happening in the antenna system. It is my “old” guitar string story. Imagine the radiating wire (sometimes the Chinese call it the “vibrator”) to […]

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FA tester instructions

  User Manual                 Theo Bresler ZS6TVB September 2020   Release No. Date Revision Description 1.0 2020-09-09 Initial Document 1.1 2020-09-09 Red Dots on Jumper images for clarity 1.2 2020-09-10 Corrections and optimisation by Chris R. Burger ZS6EZ                                                           […]

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Grounding Systems in the Ham Shack – Paradigms, Facts and Fallacies

A while ago, Tim Ellison wrote about “Grounding Systems in the Ham Shack – Paradigms, Facts and Fallacies” with content provided by: Jose I. Calderon, DU1ANV – Makiling Amateur Radio Society. Member: Philippine Amateur Radio Association (PARA). I strongly recommend that you read the full article here. He goes through a case-by-case discussion in easy […]

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