My friend Gina thanks you all very much and sincerely and
hopes you have long and happy lives. She assures you she
does not live with 30 cats, some dead, does not spend hours
cackling in the rocking chair she hasn't got and is not a tin-can-
hoarding, newspaper-collecting loony

To answer some questions -

Low intake of caffeine (generally health conscious)
Does not self-medicate
Has no pins in bones or a metal plate in the noggin
Is sure there's nothing wrong with her hearing, but has taken
this as an opportunity to have a test and also an overall
health check

The tower has been up for 5 years (corroded bolt now
seems more likely, even if not the cause), and started life as
a Vodaphone cell site. A few weeks ago, BCL (SkyTV)
dishes were added and she says she noticed the tone one
month ago. One night it wasn't there, the next night it very
obviously was

She's now paying more attention to where the tone is. When
she takes the dog for a walk down to the beach (she's on the
outskirts of Brawns Bay, Alan, at the fringe of suburbia), the
tone disappears when she goes over a ridge (ie out of sight of
the tower) and reappears on the way back home

It does seem to be present all around the house, inside and
out. Volume seems not to change with listening position

I've still to do some work with her, eg testing other towers,
trying to get some sort of recording and so on

If/when we ever find out what it is, y'all be the first to know

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