MacDonald, Alexander Forsyth, 1897-1965 · Port Credit, Ont. : Aviation Service Corporation · leaf 91
Most Airport Control Towerstransmit on 278 kc. In some cases, where two Towersare located so close together that their transmissionsmay overlap, one will be assigned a frequency otherthan 278 kc. Broadcast stations transmit in the MediumWave Band on frequencies between 550 kc. and 1500kc, which is… … ARCS TYPE 21 AAUTOMATICDIRECTION FINDER No matter whether you are flying on or off airwaysin Bakersfield, Bangor, Birmingham, Bergen, Bologna,Bangkoic, Berne, Brisbane or Bizerte, ARCs work-horse of air navigation aids can be depended upon.Some 60,000 transmitters, operating over land andsea the…
Airplanes
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