On Mon, 09 Jun 2014 23:58:26 +0100, wrote:

North Devon where I have spent a lot of time used to get quite a thump
from the Sonic boom as some of the services westbound passed by out
to sea. It wasn't a direct bang but distant a boom like faraway
thunder, enough to rattle the odd window disturb pheasants and make
some grockles jump.

Only the boom? Ocasionaly heard it when I lived in Bristol and had
the windows open, on still summer evenings. A gentle B-Boom, I doubt
many people noticed it.

--
Cheers
Dave.