ARPSN Amateur Radio Public Seismic Network
Cobb [Mountain], CA - FFT-CSP Animation - April 2009

Channel One - North/South


Channel Two - East/West

Cobb [Mountain], California - N/S CSP
DIFFERENT SCALE - CSP Data Display - Cobb [Mountain], California N/S - April 12, 2009
Cobb [Mountain], California - E/W CSP
DIFFERENT SCALE - CSP Data Display - Cobb [Mountain], California E/W - April 12, 2009
Cobb N/S April 16, 2009
DIFFERENT SCALE - CSP Data Display - Cobb [Mountain], California N/S - April 16, 2009
Cobb E/E April 16, 2009
DIFFERENT SCALE - CSP Data Display - Cobb [Mountain], California E/W - April 16, 2009

Chang Heng's seismoscope
For More Information:
A New Look at an Old Tool:
the Cumulative Spectral Power of Fast-Fourier Transform Analysis
Sheng-Chiang Lee and Randall D. Peters
Physics Department, Mercer University, Macon, GA 31207
http://www.flyingsnail.com/AmateurRadio/VolksMeter-FFT-CSP.html