Inverse Filtering Look at how it can enhance short period seimic records
How to use WQFilter Recommendations on how to set up the filters.
Try out WQFilter.exe Download the application and sample PSN files to work with.
SeisSim, a program to illustrate the response of a damped pendulum seismometer to various driving functions and output filtering
BinPatch, a versatile program for reading and patching binary files
FFT Demo Program
Schematic and photo of a once-per-minute time marker generator
The history of my sensor designs
My horizontal sensors
My vertical sensor
Calibration of sensor response
Period-extending filter algorithm and analysis
NOTE: This site contains applications written Visual Basic 6.0. Not all systems have the runtime files necessary to run VB6 programs. If you should experience run-time error messages, please download "WQFilter.zip", extract the contents, and execute the setup program. After successful installation, you will be able to run any of my applications as they are, without installation.