Ah! It certainly wasn’t CB, this was definitely pre Smokey and the Bandit 
I think that must have been it, FM. The other slightly unusual Chanel I remember tuning into as a kid was Radio Moscow.
Oh yeah.
They were on medium wave as well as Shortwave.Broadcasting from a powerful transmitter in Kaliningrad.That lasted until they closed down.
As was Radio Sweden who had a brilliant live cult music show on Saturday evening.
American Forces Network used to boom in from Germany which was great for American sport.
Yesterday I discovered Neede AM on 1008 kHz only to find out it was their last day!
They played great music!
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Blimey!!! what sort of estate was that (how many tower Blocks?) you would have had to have had a death wish to start eavesdropping and reporting on the estate I remember. 
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The radio nerds out there(I’m one)
might like playing around with this
http://websdr.ewi.utwente.nl:8901/
There are others.
The chat box is handy.
Putting in 648 kHz will get you Radio Caroline’s MW broadcast.
Still a surprising amount on Shortwave.
As I type I’m listening to Radio Mi Amigo.
I don`t like the radio but my husband listens to Cannock Chase radio.
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Planet rock
Five live
Radio 3
and others
depends on mood
Bluegrass Country
I haven’t listened to this station for years.
Still around , good 
Radio 2 in the car, but anywhere else you have to have an account to tune in.
If l listen to the radio, it’s usually via Alexa or via tv. I like LBC, Talk Rado, Times Radio and Radio2 for Pop-Master only.
It’s on at 10.30am each weekday for about 15 minutes. I am a bit rubbish on the music questions after the 1960/70’s
We used to listen in on police messages. Obviously not able to do so these days.
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