| 1. | SELCAL | ||
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In international aviation, SELCAL or SelCal is a selective-calling radio system that can alert an aircraft's crew that a ground radio station wishes to communicate with the aircraft. SELCAL Alphabet-audio frequency equivalents
A 312.6 Hz B 346.7 Hz C 384.6 Hz D 426.6 Hz E 473.2 Hz F 524.8 Hz G 582.1 Hz H 645.7 Hz J 716.1 Hz K 794.3 Hz L 881.0 Hz M 977.2 Hz P 1083.2 Hz Q 1202.3 Hz R 1333.5 Hz S 1479.1 Hz |
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