USGS Professonal Paper 1096 - IRIS

IOWA
GENERAL INFORMATION
Garland, TX
Opl!ratl!d by:
Address:
Teledyne Geotech
Teledyne Geotech
3401 Shiloh Road
Garland TX 75041
Telephone: 214-271-2561
Telex; 73-2394
Address to obtain records:
SITE INFORMATION
Teledyne Geotech
Seismic Data Aualysis Ceuter
314 Hootgomery Street
Alexandria, VA 22314
Code Station name Latitude LongitUde Elev Date Date
(deg N. ) (deg W. ) (meters) opened closed Foundation; geologir
0"
(BY-IO)
(VO-IO)
Bloomfield------________
Vinton------ ____________
40.7692 92.4525 259 8/26/69 10/10/69 ---
42.2250 92.1269 274 9/1/64 3/22/65 Limestoue.
INSTRUMENTATION
Seismometer
Code Galvo
Type Type
Component
Hagnification
To(sec) Tg(sec) recording ot T
0
Remarks
(BY-IO) Geotech 8-13---- Z,NS,EW 1.0 --- Magnetic tape- 10 K Portable system.
Geotech-------__ Z,NS,EW 20.0 --- ---do--------- --- Do.
(VO- 10) Benioff-------__ Z,NS,EW 1.0 --- Magnetic tape, --- ---
35-mm f11m.
Sprengnether---- Z,NS,EW 20.0 --- ---do----- ---- --- ---
Timing system: Geotf'ch crystal clock checked with WWV (50-msec tolerance) .
System response curves: See figure 3, p. 364.
SHORI H1SlURy
Th, LRSM program began in 1960 part of the
Spl!cia1
VELA-Uniform
Data Collection
proj ect.
System program " which remains active. Work Tt continued under these until 1971, when it wo' replaced by th'
seismic-detection, identification
programs h o ' been
and lOCatiOn
di rect_ed
teGRni!j:lles
towards advancing
fRet_SSaly
th,
1I.:II work i, to
accomplished
detect aud
under the
l.oentuy
technical
underground
direction of
nuclear
AFTAC,
explosions.
Vela Seismic Center, in Alexandria, Vo.
152