



And an arty one from last night showing an hour of star rotation. (And yes, I know it's actually the earth that's rotating Pohm1!)

pohm1 wrote:Doesn't the earth revolve around you?
P1
y Capt Hollywood » Mon Apr 15, 2013 0026
As far as I know the data is collected by a recorder truck stationed within a few kilometres of the area they are working in. We do fly the line prior to the explosive charges being detonated (To produce the seismic event) to ensure the geophones are operating and sending their signals to the recorder truck.
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