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ARRL :: Operating :: ARRL Operating Manual

ARRL :: Operating :: ARRL Operating Manual
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United statesGroup activities for the radioAmerican radio relay league incHf digital communicationsImage communicationsPublic serviceActive ham radioRadio amateursAmateur radioDigital voiceFair activitiesMeasuring operatingContacting those faraway placesAmerican radio relay leagueTwelfth editionSecond printing