Final Report, Project VT/8703 January through December 1968.

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Abstract:

The progress of the Long-Range Seismic Measurements Program LRSM during the period 1 January 1968 through 31 December 1968 is described. The organizational structure of LRSM underwent few changes and continued to sustain the flexible and efficient operation required for a field-oriented program. At the start of the report period, there were fifteen mobile observatories and six portable seismograph systems in the LRSM program five additional portable seismograph systems were activated in March 1968, providing a total of eleven operational portable systems. The portable seismograph systems demonstrated their versatility and effectiveness during all field assignments. Equipment and seismogram evaluation programs continued to improve methods for ensuring high quality data. Results of these efforts are being used for advanced methods of data processing. A review of the studies and evaluations made is included in this report. Studies conducted were directed toward 1 the analysis of data from portable and mobile systems and 2 the investigation of long-period and short-period data. Author

Author(s):
Reakes, Raymond G.
Author Organization(s):
GEOTECH GARLAND TX
Descriptive Note:
Technical rept. 1 Jan-31 Dec 68,
Pagination:
0067

Security Markings

DOCUMENT & CONTEXTUAL SUMMARY

Distribution:
Approved For Public Release

RECORD

Collection: TR
Identifying Numbers
Report Number(s):
TR-69-7
Contract/Grant Number(s):
F33657-68-C-0734, ARPA Order-624
 Subject Terms
Communities of Interest:
No COI(s) Identified
Descriptor(s):
*SEISMOLOGICAL STATIONS, *UNDERGROUND EXPLOSIONS, DATA PROCESSING, DETECTION, SEISMOGRAPHS, SEISMIC WAVES, SEISMOMETERS, INSTRUMENTATION, MAGNETIC TAPE, RECORDING SYSTEMS, EARTHQUAKES, NUCLEAR EXPLOSIONS, SITE SELECTION, STRUCTURES, NETWORKS
Field(s)/Group(s):
Seismology, Computer Systems, Seismic Detection and Detectors
Keyword(s):
LONG RANGE SEISMIC MEASUREMENTS, LRSM(LONG RANGE SEISMIC MEASUREMENTS), SEISMOGRAMS, VELA UNIFORM
Report Date:
1969 Feb 10