fg seismogram; rmean ;* Data spe ;* Start subprocess cor ;* Default parameters mem ;* Maximum entropy spectrum writespe /tmp/spec-mem ;* save pds ;* Power density spec writespe /tmp/spec-pds ;* save cor prewhiten on ;* Stabilize MLM mlm ;* Maximum likelihood spec writespe /tmp/spec-mlm ;* save qs ;* Leave subprocess read /tmp/spec-[mem,pds,mlm] ;* re-read spectra line list 1 2 3 increment on ;* ID by line type plot2 ;* overlay line previous ;* restore line options