[time-nuts] GPS, USGS Early Earthquake Warning

bg at lysator.liu.se bg at lysator.liu.se
Sun Apr 29 00:12:08 UTC 2012


Hi Brooke,

> Hi Tom:
>
> They do use two different seismometers at each location, a large movement
> and a sensitive.
> http://www.prc68.com/I/Seismometer.shtml
>
> Have Fun,
>
> Brooke Clarke
> http://www.PRC68.com
> http://www.end2partygovernment.com/Clarke4Congress.html

It is a bit fun that the Earthquake Detector product "QA-2000" shares
product name with the Honeywell (Sundstrand) Inertial accelerometer
"QA-2000"...

    http://quakealarm.com/
    http://www.inertialsensor.com/inertial-navigation-accelerometers.php


--

     Björn




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