PSN - crotwell/seisFile GitHub Wiki
This functionality is deprecated and will be removed in the seisFile 2.0 release. If you wish to continue to use it, see the last 1.x release, which was 1.8.6.
SeisFile supports the public seismic network, or PSN, file format. Code is in the edu.sc.seis.seisFile.psn package.
PSNDataFile psnData = new PSNDataFile(filename);