Re: Park Air Electronics 360 Channel Aircraft Band Monitor
50kc/s was the channel spacing for '360 channel' radios, which it has written on its panel.
They went to 25kHz spacing and 760 channels in the late 70s
After the FM band got occupied up to 108MHz they had to require aircraft to switch to broadcast-proof radios, or fit special filters.
They've just stumped up grants for planes to re-equip for 8.33kHz channels. The USA hasn't felt the need to go to 8.33.
David
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Can't afford the volcanic island yet, but the plans for my monorail and the goons' uniforms are done
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