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What does the Q-code 'QTH' mean in amateur radio communication?

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Q-codes were originally developed for commercial maritime telegraphy but were widely adopted by ham radio operators as convenient shorthand for common phrases. QTH specifically means "my location" and is one of the most frequently used Q-codes during amateur radio (Deals) contacts. Other essential codes include QSL (confirming receipt), QRZ (who is calling me), and QSY (change frequency).