Re: BBC Radio 4 198 kHz long wave sibilance.
There was-or is, some kind of a relay TX here in Bexhill. A few years ago, I bought a Murphy set from a chap who lived nearby. He had a huge coil of telephone extension cable in the hallway and said that it was the only way that he could stop Radio 4 harmonically resonating and breaking through on his calls-a bit like Taxi's and stage amps!.
Dave W
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