Distributions of SEISLOG Files with names on the form: seislog_qnx_8.42.tar.gz contains the source version of seislog version 8.42. Files with names on the form: seislog_qnx_8.46_exe.tar.gz contains both source and executable. Both can be installed on a QNX operating system according to the seislog manual. The source version must be compiled.