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Old 3rd Dec 2018, 9:31 am   #3
mark_in_manc
Octode
 
Join Date: Nov 2011
Location: Manchester, UK.
Posts: 1,872
Default Re: Hum and noise in BBC Sound Radio broadcasts?

I can't answer your question, but I remember (from a short placement) that there were radio studios in the basement of BH from which the Northern Line was sporadically audible - at least, that's the engineers' story as I remember it.
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