[Boatanchors] Heath CA-1 Conelrad Alarm

[JOE]

I've always wondered about how they tuned the antennas for the new 
frequency.  Where the selected AM stations picked because they were close 
in frequency to 640 and 1240KC?

73, Joe, K1ike

At 09:35 PM 3/21/2003 -0500, you wrote:
>Selected AM stations, operating reduced power and/or different-than-usual
>directional antenna patterns, would then be switched to 640 or 1240 kHz to
>maintain communications for public information.

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