QSY

QSY is a common abbreviation used in amateur radio communication. It stands for "Question." When a ham radio operator says "QSY," they are signaling that they want to change the frequency they are currently using for communication. This is often done to find a clearer channel, move to a designated net frequency, or switch to a different mode of operation. The full Q-code, of which QSY is a part, was developed in the early 20th century to simplify international radiotelegraph communication. Each Q-code represents a standard phrase or question, allowing operators to communicate efficiently without needing to know each other's language. Therefore, when you hear "QSY" on the air, it's a signal that the conversation is about to move to a new radio frequency.