USGS Professonal Paper 1096 - IRIS

MISSOURI--Continued
St. Louis, HO
INSTRUMENTATION
Seismometer Galva Type Magnification
€ode 'f~pe €()mp()flefl~ 'fofsed ±gfsee) l'e€IH'QiHg iit T 0
Remarks
BRN Sprengnether--------- Z 0.5 0.5 Photo paper 30 K Magnification at 0.3 sec.
Recorded on autocorder.
BRR Reeff---------------- Z,NS,EW 1.0 1.0 ---do------ 100 K
CG~ Benioff-------------- NS Hr 0 75 ---do------ 15 K
DON Mark L-4C------------ Z .0 16 Hz Develocorder 1200 K Magnification at 10 Hz.
Telemetered to SLM.
H\/M 6e
, l.Q Hi Ilz ---do------- 95 K Do
ECD ---do---------------- Z 1.0 16 Hz ---do------- 206 K Do.
FLO Galitzin-Wilip------- Z,NS,EW 12.0 12.0 Photo paper K Original instrumentation.
Benioff Z,NS,ml 1.9 .75 Eie )0 K WlJSSN
5prengnether--------- Z,NS,EW 15.0 100.0 ---do------ 1500 Do.
FpM 5pr e ngnet ber ---------
z NS Hr 30 0 Nove Visible ---- 1500 Strairuneters also ,emagnetic
tape.
corded. Telemelered to
5LM. Magnification 25
K at 1 sec.
F'lM llefliGff 4!Hil- , n uu
-
- Q ?5 photo paper lOa K WWSSN. Filtered and ,emagnetic
tape.
corded visibly and on
magnetic tape. Telemetered
to GLD.
Benioff 6102--------- NS,EW 1.0 .75 ---do------- 100 K WWSSN.
Sprengnether--------- Z,NS,EW 15.0 ]00.0 ---do------- ]500 WWSSN. Z filtered and
recorded visibly;
telemetered to GLD.
GRV Sprengnether--------- Z .5 .5 Photo paper 100 K Magnification at 0.3 sec.
Autocorder.
1ST Mark L-4C------------ Z 1.0 16 Hz Develocorder 167 K Magnification at 10 Hz.
Telemetered to SLM.
NLD Hali-Sears 10-------- Z Short Magnetic tape 50 K Magnification at 10 Hz.
Telemetered to PTG.
(!1MM) Geospace------------- Z .22 Visible---- 50 K Magnification at 10 Hz.
Located in a deep iron
mine.
NMM Hall-Sears 10-------- Z Short Magnetic tape 50 K Magnification at 10 Hz.
Telemetered to PTG.
PTG Hall-Sears----------- Z Short ---do-------- 50 K Magnification at 10 Hz.
RMB Mark L-4C------------ Z 1.0 16 Hz Develocorder 1390 K Magnification at 10 Hz.
Telemetered to S1M.
SLN Benioff-------------- Z 1.0 .75 Photo paper 25 K
---do---------------- NS,EW 1.0 .75 ---do------ 7 .5 K
Sprengnether--------- Z,N5,EW 15.0 90.0 ---do------ 750 Z also recorded with
pen and ink and
displayed in the lobby.
TYS Mark L-4C------------ Z 1.0 16 Hz Develocorder, 720 K Magnification at 10 sec.
magnetic tape.
Telemetered to SLM.
Sprengnether 5-7000 oc
Geospace HS-lO-l--- Z 1.0 16 Hz ---do---------
180