This section lists some binary compounds with halogens (known as halides), oxygen (known as oxides), hydrogen (known as hydrides), and some other compounds of carbon.
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Best Answer: CTAF stands for Common Traffic Advisory Frequency, and refers to a voice radio frequency used to coordinate air traffic at an airport. Usually it is used mainly to refer to such frequencies at airports without an operating control tower (if there's a tower, the ATC tower frequency is the CTAF). When no ATC is available (no tower, or tower closed), the CTAF is used by pilots to advise other pilots of their actions and intentions. UNICOM is a private, licensed ground base station that can communicate with aircraft at airports with no tower or FSS.