EntityQ267947· pop 16· linked from 79 articlesQRP operationSign in to savetransmitting at reduced power in amateur radioConnectionsamateur radio operating awardEntityQ codeEntitytropospheric scatterEntityAmerican Radio Relay LeagueEntitysidebandEntitycontestingEntityWARC bandsEntityamateur radio call signEntityUnited StatesCountryUnited KingdomCountrytelevisionEntitytelephoneEntityInternational Standard Book NumberEntityGuglielmo MarconiEntitygeneral relativityEntitywattEntityNobel Prize in PhysicsEntitydataEntityMorse codeEntityantennaEntityCategoriesAmateur radio