A replica 1BCG transmitter will operate as W2AN/1BCG on ±1.820 MHz on CW, from The Vintage Radio and Communications Museum of Connecticut. “We’re using type 204-A tubes,” said Mark Erdle, AE2EA, of the Antique Wireless Association. “The original transmitter used type 204 tubes. The primary difference is that the 204-A tubes had a thoriated filament that reduced the filament current. Transmissio…
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