Accession Number:

AD0745753

Title:

Montana Large Aperture Seismic Array

Descriptive Note:

Quarterly technical rept. no. 2, 1 Mar-31 May 1972

Corporate Author:

PHILCO-FORD CORP BILLINGS MT COMMUNICATION SYSTEMS DIV

Personal Author(s):

Report Date:

1972-06-15

Pagination or Media Count:

94.0

Abstract:

The technical activity associated with the operation, maintenance, and improvement of the Montana Large Aperture Seismic Array LASA during the period 1 March - 31 May 1972 is related in this report. The short-period SP and long-period LP seismograph sensitivity performance statistics are indicated. Performance data on the SP seismometer and the SP and LP seismic amplifiers are presented. A new method of seismograph calibration using pseudo- random binary sequences PRBS and the development of a PDP-7 program to provide an LP PRBS input to the LP seismograph are described. Removal dates for the arrays microbarograph sensors are given. Statistics relating to the operation and maintenance of the array and data center equipment and land facilities support ar provided.

Subject Categories:

  • Seismology
  • Seismic Detection and Detectors

Distribution Statement:

APPROVED FOR PUBLIC RELEASE