Graeme Wall

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DAB is rubbish where I live, and I only want to find out why
88.50 (R2) from the IOW is regularly plagued with much more
hissing than usual, plus a buzzing and faint crackling too.
(But R1,3 and 4 were not afflicted the same way). It's
indoors FM reception that am interested in. I have a 3-element
fm aerial in the loft pointing at the IOW.

Awful yesterday, but today it is fine. It was only when I
went out at 2PM to check out Currys instant sale that I
noticed that my car radio picked up R2 FM without any
interference at all.



Somebody local with a badly suppressed piece of equipment?


** Very handy to have a portable AM/FM radio to use track down such local sources.

Assuming the portable picks up the same noises inside the OP's house, walking away from the house in different directions should indicate the direction of the interference.

The description fits noise typically made by High Voltage power insulators that are suffering corona when the air is humid or misting.

If the portable or car radio does NOT pick up the same noises when tuned to 88.5 MHz, then things get interesting.


..... Phil