In article ,
Bill Wright wrote:
On Thursday, 23 January 2020 14:19:49 UTC, Dave Plowman (News) wrote:
However, many portable radios will exhibit multi-path just with a
person moving about in the same room.

That's really better described as the standing wave pattern in the room
changing.

Oh, indeed. But the audible results are similar. And the same sort of
problems with an inside aerial in VHF TV days.

Each transmission medium has its own individual problems.

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*i souport publik edekashun.

Dave Plowman London SW
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