> Hello John, Peter, et al, Sounds to me that your 'wacko' (sorry to hear that he has become a 'jerk' as well), is operating in 'desperation' more than in 'wacko' mode. < These hum problems are widespread. There is a mail-list (taoshum-l@........... dedicated to this phenomenon. I am aware of around a thousand people with a similar hum problem. And I am currently trying out geophones to measure such hums. Regards, Anders _____________________________________________________________________ Public Seismic Network Mailing List (PSN-L)
Larry Cochrane <cochrane@..............>