Survey Identifier: CIRC09AR
Format Acronym: MGD77
Data Center File Number: 15010012
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 9
Survey Departure Date (yyyymmdd): 19681109
Port of Departure: LUANDA,ANGOLA
Survey Arrival Date (yyyymmdd): 19681203
Port of Arrival: FORTALEZA,BRAZIL
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: ANAL.RECORDS,35MM MICROFILM
Topmost Latitude of Survey: -03
Bottommost Latitude: -09
Leftmost Longitude: -037
Rightmost Longitude: +014
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: 8606
Min/Max Data Record:
Date: 1968 11 09
Latitude: -8.69610
Longitude: -36.00660
Bathymetry, 2- Way Traveltime: 001050
Bathymetry, Corrected Depth: 79.0
Magnetics Total Field, 1st Sensor: 266350
Magnetics Residual Field: -06050
Min/Max Data Record:
Date: 1968 12 02
Latitude: -3.78510
Longitude: +13.16570
Bathymetry, 2- Way Traveltime: 079600
Bathymetry, Corrected Depth: 6027.0
Magnetics Total Field, 1st Sensor: 325600
Magnetics Residual Field: +02550