This is a screenshot of WinSDR It shows the 6 sec microseisms I think?
https://home.comcast.net/~bryangoss/winsdr.jpg

This is the boom pivot point a pipe union and razor blade
https://home.comcast.net/~bryangoss/pipeunion.jpg


This is the damping
https://home.comcast.net/~bryangoss/damping.jpg

The bolt and 25mm wire
https://home.comcast.net/~bryangoss/boltwire.jpg

The 5lb weight and coil
https://home.comcast.net/~bryangoss/coil.jpg


The overall I put the Seismograph in a clear box to prevent draft bit I need to seal off the bottom this picture shows entire system and my messy shop!!!!!

   https://home.comcast.net/~bryangoss/overall.jpg
   https://home.comcast.net/~bryangoss/setup.jpg

 Chris I am not sure how to do the FFT. I hope the screenshot of winsdr will help, Thanks for the help If you all see somthing to improve I will try to do it.  is the ball bearing better than the razer blade?
Thanks Very Much Bryan S Goss Corinth MS
 



__________________________________________________________

Public Seismic Network Mailing List (PSN-L)