Crossword clue: before noon (abbreviation)
1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
modulation of the amplitude of the (radio) carrier wave
1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
modulation of the amplitude of the (radio) carrier wave