@Wind7 On the AM lower radio frequencies you wont hear White Noise, what you hear is "space chatter" and interference, you will only get the FM very high frequencies (VHF) inundated with White Noise, which is suppressed in modern day radio`s..
The reason why your signals on the radio were fading was because at night time as the sun drops down less of the ionosphere (which bounces radio waves back to earth) is radiated, which means the closer the radio stations are to you the signals will be carried further away from you (Radio Luxembourg for example), and the more distant radio stations will be heard better...We call this "the skip"![]()
This was back in 1974 and perhaps it was a smaller battery operated fm radio,
I had lots of different radios then
White noise...or whatever it was...
I heard what i heard.
It was real.

Edit;
In thinking about this, I do stand corrected, it was indeed a small fm battery operated radio.
Iirc, my father explained to me about am skip/noise, he bought me the fm radio for my 11th birthday, so it was actually 1975.
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