Survey Identifier: CIRC08AR
Format Acronym: MGD77
Data Center File Number: 15010011
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19810805
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V ARGO
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): VANANDEL T.
Project: CIRCE LEG 8
Survey Departure Date (yyyymmdd): 19681009
Port of Departure: LOURENCO,MARQUES
Survey Arrival Date (yyyymmdd): 19681105
Port of Arrival: LUANDA,ANGOLA
Navigation Instrumentation: SATNAV,MANUAL ENTRY GYRO AND SPD CHANGES
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 3.5-12KHZ/GIFFT RECORDERS/WIDE BEAM
Additional Forms of Bathymetric Data: ANALOGUE RECORDS,PUNCHED CARDS
Magnetics Instrumentation: VARIAN MFD PROTON PRECESSION MOD 4970
Additional Forms of Magnetics Data: ANAL.RECORDS,CARDS
Seismic Instrumentation: 40CU.IN.AIRGUN,10-300HZ,PDR MK 10 REC.
Formats of Seismic Data: 35MM MICROFILM
Topmost Latitude of Survey: -08
Bottommost Latitude: -36
Leftmost Longitude: +005
Rightmost Longitude: +030
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 1SECONDSWEEP
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: 5 MINUTE INTERVAL
General Digitizing Rate of Magnetics: 050
General Sampling Rate of Magnetics: 06
Reference Field Code: 03
Reference Field: IGRF 1965
Method of Applying Residual Field: LIN.INTERP.AT 30DEG C/C OR 500MI ALONG TRACK
Number of Data Records: 6742
Min/Max Data Record:
Date: 1968 10 12
Latitude: -35.26290
Longitude: +5.07500
Bathymetry, 2- Way Traveltime: 000424
Bathymetry, Corrected Depth: 32.0
Magnetics Total Field, 1st Sensor: 290650
Magnetics Residual Field: -06100
Min/Max Data Record:
Date: 1968 11 05
Latitude: -8.83690
Longitude: +29.23880
Bathymetry, 2- Way Traveltime: 068324
Bathymetry, Corrected Depth: 5154.0
Magnetics Total Field, 1st Sensor: 326450
Magnetics Residual Field: +08900