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Monthly Archives: April 2016
Multi Band Slinky Doublet
Designing an HF antenna for Swindon Makerspace presented several challenges:- Routing coax from Makerspace to the roof is potentially tricky High external vertical antennas would require lightning protection No convenient external earths available Counterpoises impractical due to size Large horizontal … Continue reading
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Tagged antenna, atu, doublet, ft817, ladder line, makerspace, slinky, twin feed, wspr
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