by W1UJR | Aug 28, 2017 | Restorations and Builds
Uses a single UX-210 tube, built by Al Wentworth – Lexington, MA K1BSX (SK April 2004), based on a 1928 QST article. Click here for the August 1928 QST article “Overhauling the Transmitter for 1929 – Ross Hull” in Abode PDF...
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