Hi Glenn,

I am used to high background noise, so that won't be a problem. I won't
be far up from the ground. But high enough up. I am unclear on how they
build houses in Denmark to be exact. But I am going to know soon enough
on that issue.

I am going to be use a geophone 4.5Hz as I have been doing so far. I do
not know when I get a low period seismomter.

Regards,
J=F3n Fr=EDmann.

On =FEri, 2011-01-25 at 06:43 +1100, Glenn Durden wrote:
> I'm on the third floor, and as you can see by the pictures on my website,=
=20
> the result is that you'll see all the big earthquakes easily.
>=20
> http://www.brasswings.com/seis.html
>=20
> But of course there is a huge amount of background noise.
> Wind is the biggest issue.   Windy days can block out pretty much=20
> everything.
> You'll also find that the floor probably isnt solid enough to rest a=20
> seismometer on.     The weight of a human is enough to register full scal=
e=20
> deflection as the floor sags, when you move from one side of the room to =
the=20
> other.
> The best I could do is to lift the sensor box off the floor and press it =
up=20
> against the wall (in a corner) with the weight of some bricks.
> If you've got the ability to measure it (with an inclinometer), you'll al=
so=20
> see how much the building sways backward and forward through the course o=
f=20
> the day and it heats up and cools down.
>=20
> But as you say, its worth a try anyway.   You might have a more solid=20
> building than mine.
>=20
>=20
>=20
>=20
> Glenn
>=20
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