Montana Large Aperture Seismic Array.
Semi-annual technical rept. 1 Oct 77-31 Mar 78,
FORD AEROSPACE AND COMMUNICATIONS CORP BILLINGS MONT ENGINEERING SERVICES DIV
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The continued operation, maintenance and array improvement activities at the Montana LASA during the reporting period are described. Array operations, including the preparation of daily teleseismic event reports, are detailed. Results of the seismic event processing effort are reported. Seismograph system performance measurements are presented. Maintainability statistics on the IBM 360 Model 44 computer are given. Program maintenance for the PDP-7 computer system is indicated. Maintenance activities at both the data and maintenance centers are discussed.