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USGS CMG C-4-74-SA Metadata

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ID C-4-74-SA
Also Known As C1704
Abstract Chief Scientists: A. Amos, J. Weissel. Data (navigation) of field activity C-4-74-SA in Capetown, South Africa--> Capetown, South Afri from 01/05/1974 to 02/19/1974
Chief Scientist A. Amos
J. Weissel
Platform Robert D. Conrad
Area of Operation Capetown, South Africa--> Capetown, South Afri, South Atlantic Ocean
Bounding Coordinates
18.00000     70.00000
Dates 01/05/1974 (JD 005) to 02/19/1974 (JD 050)
Analog Materials No analog holdings.
A. Amos Chief Scientist
J. Weissel Chief Scientist
Equipment Used

NGDC Overview
! Converted to time format with year at start.

MCG Data Collection ID ---         C474SA
Institution Data Collection ID --- CH115L04
NGDC ID ---                        02010064
Funding ---                        ONR-NSF
Project, Cruise & Leg ---          CRUISE 115, LEG 4
Study region ---                   -34.00000,-57.00000,  -6.00000, +19.00000
Chief Scientist(s) ---             DR.HARTLEY HOSKINS
Name of vessel ---                 CHAIN (surface ship)
Date field data collection started --- 02/15/74     CAPETOWN, REP.OF SOUTH 
Date field data collection ended ---   03/15/74     CAPETOWN,REP.OF SOUTH AFRICA
Parameters surveyed ---
   Bathymetry:                     surveyed, contained in data file
   Magnetics:                      surveyed, contained in data file
   Gravity:                        surveyed, contained in data file
   High-resolution seismics:       (unspecified)
   Deep penetration seismics:      (unspecified)
Format --- 

Date of data input to NGDC ---     05/24/82
Contributing institution ---       WOODS HOLE OCEANOGRAPHIC INSTITUTION
Country ---                        U.S.A.

Navigation instrumentation ---     SATELLITE RECEIVER, DR
Position determination method ---  SAT. AND DR MERGED WITH SHIP VELOCITY

Bathymetry instrumentation ---            PRIM-3.5,SEC-12, WIDE BEAM 1 SEC SWEEP
Additional forms of bathymetric data ---  ANALOG RECORDS, PUNCHED TAPES
General rate of bathymetry in file ---    5.0 minutes
General collection rate of bathymetry --- ONE/SECOND
Assumed sound velocity ---                1463.0 m/sec
Bathymetric datum code ---                No correction applied (sea level)
Bathmetry interpolation scheme ---        5- MINUTES AND BREAK SLOPE

Magnetics instrumentation ---            VARIAN PROTON-PRECESSION MAGNETOMETER
Additional forms of magnetics data ---   ANALOG RECORDS, PUNCHED TAPES
General rate of magnetics in file ---    5.0 minutes
General collection rate of magnetics --- 60 seconds
Magnetic sensor tow distance ---         250 meters
Magnetic sensor depth ---                (unspecified)
Two sensor horizontal separation ---     (unspecified)
Residual magnetics reference field ---   IGRF-65
Method of applying residual field ---    LINER INTERPOLATION WITHIN DEGREE 

Gravity instrumentation ---            ARPA VIBRATING STRING ACCELEROMETER
Additional forms of gravity data ---   ANALOG RECORDS, PUNCHED TAPE
General rate of gravity in file ---    5.0 minutes
General collection rate of gravity --- 60 seconds
Theoretical gravity formula ---        IAG System 1967
Reference system ---                   Potsdam system
Corrections applied ---                DRIFT=-1.23MGAL/DAY BIAS=-102.93
Starting land tie ---                  979653.2  WHOI BASE STATION 858/317
Ending land tie   ---                  979653.2  WHOI BASE STATION 859/317

Seismic instrumentation --- (unspecified)
Formats of seismic data --- (unspecified)
Got Help? For C-4-74-SA, we would appreciate any information on -- activity type, analog materials, contract, days at sea, dive count, funding, information specialist, information to be derived, kms of navigation, national plan, organization, owner, ports, project, project number, publications, purpose, scanned materials, seismic description, station count, station description, submersible, summary, tabulated info.
Type Webpage KMZ Arc         Metadata        
Metadata data     txt  data  FAQ  xml
Navigation data nav    
Times   050.times    

C-4-74-SA location map of where navigation 

equipment operated

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