Quote:
Originally Posted by Colly0410
In England till the late 1980's the cops would use around 100Mhz on the FM band for their 2 way radios, of course nearly all FM radios could pick them up. Spent many a bored night listening to their transmissions, most of the time you could only hear one side of the conversation as they were semi duplex, but some networks were simplex & you'd hear both sides. Of course it was illegal to listen, but millions did, lol...
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In the mid 50's, our Police band was on the upper end of the broadcast band around 1700 KC. I used to tweak the osc trimmer on a AA5 to receive it.
Going into the 60's everything went FM around 158-159 MC around here anyway.