yes Jon

   it MUST be in good contact with the ground to record ground motion=
 properly.

    if it is just sitting on the floor of the house or as sounds like, on=20
legs above the floor
then most of anything it will record will be house/floor movement.

   if it must be brought closer to the house, then either bury it under the=
=20
house if there is underfloor access.  if ur house is on a concrete pad then=
=20
its going to have to go outside beside the house.
   Either way its still going to record a lot of building movement and=20
movement of people from within the house

cheers
Dave N
Sydney, Oz



At 01:19 PM 6/01/2007 +0000, you wrote:

>Hi all
>
>I am wondering, since I did move my geophone back inside, is the
>geophone less sensitive becose he now stands on the legs but is not
>surrounded in sand like when I did have him outside. Does it matter in
>the terms of detecting earthquakes ?
>
>Regards.
>--
>J=F3n Fr=EDmann
>http://www.jonfr.com
>http://www.simnet.is/jonfr500/earthquake/
>
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