1980 High S.W.R. protection for transceivers and amplifiers 1987 How to build a simple SWR bridge RFI and computers in the shack A new twist for the HF J-pole antenna A lightning protection system for your shack 1989 The spark zapper 1990 Low-band verticals and how to feed them A transverter for 10.368 MHz 1991 The practical aspects of VFO design
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