The K7DYY Solid State Class D Legal Limit AM Transmitter

I was on 160 Meter AM this morning, talking to Chet WB2AHK in New York City. Chet had a very strong signal here. He was running a rig that I hadn’t heard about before, a K7DYY transmitter. See above. Very interesting. Here are the details:


Chet’s receiver was at the opposite end of the technology spectrum — like me he was listening on a Hammarlund HQ-100. He told me that he had replaced the old mechanical clock with a digital “glowing numerals” device. This got me thinking that that space on the front panel might be suitable for a small frequency counter…



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