GeoExplorer HVSR 188.8.131.52 can be downloaded from our website for free. The actual developer of the free software is Sara Electronic Instruments. The software relates to System Utilities.
From the developer:
GeoExplorer HVSR is a powerful tool for microtremor analisys for the Nakamura’s method, also known as spectral ratio analysis. With this software you can obtain a valid report checked according the SESAME protocol in few tenths of seconds.
You may want to check out more software, such as Radio Activation Manager, which might be similar to GeoExplorer HVSR.