[Boatanchors] Heath CA-1 Conelrad Alarm

[SBJohnston@aol.com]

k1ike@snet.net writes:

> I've always wondered about how they tuned the antennas for the new 
> frequency.  

In the installations I've seen, they didn't retune the transmitter or antenna 
at all.  This resulted in reduced power, strained rigs, and oddball 
directional patterns.

Where the selected AM stations picked because they were close > 
> in frequency to 640 and 1240KC?

Not particularly.  For example, one I worked at was on 910 kHz.

Steve

sbjohnston@aol.com



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