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Radio Propagation


Solar X-rays:
Status
Geomagnetic field:
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D-Region Absorption
Prediction:
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Created by PA4RM

A group of radio amateurs gathered on December 11 at W1AW to mark the 98th anniversary of the successful ARRL Transatlantic Tests. On December 11, 1921, a message transmitted by a group of Radio Club of America members at 1BCG in Greenwich, Connecticut, was copied by Paul Godley, 2ZE, in Scotland. Reporting on the accomplishment, ARRL Secretary Kenneth B. Warner, 1EH, declared “Excelsior!” Clar...

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