Hi Marchal I have tried resistive damping but with limited success. I am currently using copper plate damping with a 1/4x4"x2" copper plate on my Lehman with a magnet on each side of the plate. This arrangement has thus far proven to be the easiest for me in obtaining adjustments, etc. However, I do plan to experiment with resistive damping in the future. Lots of luck in your efforts - Let us know which method worked for you. Jim Allen Cerritos, Calif. _____________________________________________________________________ Public Seismic Network Mailing List (PSN-L)
Larry Cochrane <cochrane@..............>