MacDonald, Alexander Forsyth, 1897-1965 · Port Credit, Ont. : Aviation Service Corporation · leaf 92
a control tower on 123.0 mc.These frequencies are known as UNICOM, or thePrivate Flyers Frequency and may be used betweenprivate aircraft en route as well as for communicationwith ground stations. The national reply channel from Air Traffic ControlStations (formerly referred to as INSACS —… … fig. 3. Ground and Sky Waves. The following is the complete allocation of VHFchannels to the various aeronautical facilities underthe Frequency Utilization Plans of Canada and theU.S.A. In the case of Air Navigation Aids (such asOmniranges, ILS Localizers, etc.) the frequencies arethose on which…
Airplanes
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