Over the years I have built many accessories for my stations. Here are some of the notables
PictureSPC Transmatch from an article by W1FB in 1986
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SPC Tuner Rear Panel
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Link-coupled transmatch from a design by W1SE from 1985
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Link Coupled Tuner Rear Panel
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160 meter controller used on my 160 meter inverted-L antenna. Heath-Kit SA-2550 motor-driven 500pf capacitor, Alpha-Delta Arc-Plug arrestor, Balun Designs Maxi-choke balun and Array-Solutions bleeder inductor. Built in 1994
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N5BOC Duplex DMR Hotspot using a 3.5" Nextion screen (Idle Mode)
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Receiving signal from Motorola XPR 5550E on BM TG 310799 Slot 2
Other hotspot's I built and a portable DMR go-box
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Heath-Kit SA-2550 controller. This was an e-bay find without the control box. I built one and sold the unit for a nice profit. Built in 2012
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Six-position antenna switch from a design by KO4NR - Not yet completed in this picture
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160 meter receiving loop from a design by W1FB from 1974
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Matching circuitry for the 160 meter receiving loop
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