Johnson Viking Mobile Tube AM Transmitter Power Supply demo by D-lab

1,776 views · Published 28 March 2016 · 8:12 · Indexed 13 October 2026

Channel: D-lab Electronics · 2016 · Howto & Style

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Follow up video. How to modify your mobile transmitter to work with my custom power supply. This unit features a TR PTT keying relay. High quality over engineering applied. If you have a Johnson Mobile Transmitter, here is the best way to put her on the air again!

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