On 18/05/2021 21:02, Adrian wrote:
In message , John
Rumm writes
I seem to recall there is an experimental village somewhere in the UK
where they are trialling this.


I think it is on the site of RAF Spadeadam in Cumbria


I think near the RAF station but not on it. ISTR it's on a site long
used for testing things that go bang.


--
Robin
reply-to address is (intended to be) valid