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between 900 m (330 kHz) and 1500 m (200 kHz). It uses VT-1 triodes for receiving and VT-2 triodes for transmitting, and has a range of about 100 miles with 320 V on the transmitting tubes.
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TRANSMITTING IN THE FIELD: The power for operating this equipment is furnished by the hand generator. Note the collapsible metal mast that serves as a support for an umbrella antenna
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occurred prior to
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Alfred M. Caddell, "Radio fans who are paid to learn" in
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National Guard operating portable radio station 1922.jpg
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Commons is a freely licensed media file repository.
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.