... 管制塔台 control tower ; ATCT 塔台频率 tower frequency 指挥塔台 control tower ; operationstower ...
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Then through the use of GPS-based reference clocks at each tower (for both time and frequency), the signals are synced so each can emit a perfect copy of both signal and symbol data.
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On channel boosters quickly receive the OTA signal from the main tower and retransmit the signal on the same frequency.
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