USGS Professonal Paper 1096 - IRIS

NEW MEXICO--Continued
garlalld, TIf
Timing system: Geotech crystal clock checked with W\IV (50-msec tolerance) .
System response curves: See figure 3, p. 364.
SHORT HISTORY
co, vELA-umform project. It cout;inucd until 1971, "hell it .. as replaced by tbe
Special Data Collection System program which remains active. Work under these programs h" been directed towards advancing the
seismic-detection, identification, ,od location techniques necessary to detect ood identify underground nuclear explos ions.
All work i' accomplished under the technical direction of AFTAC, Vela Seismic Center, in Alexandri a, V ••
The LRSM program began io 1960
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