Thanks Karl, Now that I know that I have that, what would folks guess is the effect of taping a N/S geophone from the north. angel I have calibrated my geophone and I'm pretty sure that the ground moves 2.22 nanometeres for every count. Sunday, July 15, 2001, 1:17:22 PM, you wrote: KC> Angel -- KC> I got the following from Edward Cranswick on July 30, 1997. KC> Karl >> Ground Motion: Down to Up, i.e., upward, is positive. >> Ground Motion: South to North, i.e., towards the North, is postive. >> Ground Motion: West to East, i.e., towards the East, is postive. __________________________________________________________ Public Seismic Network Mailing List (PSN-L)
Larry Cochrane <cochrane@..............>