Survey Identifier: CIRC07AR
Format Acronym: MGD77
Data Center File Number: 15010010
Parameters Surveyed Code: 55111
File Creation Date (yyyymmdd): 19810623
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V ARGO
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): FISHER R.L.
Project: CIRCE LEG 7
Survey Departure Date (yyyymmdd): 19680905
Port of Departure: PT.LOUIS,MAURITIUS
Survey Arrival Date (yyyymmdd): 19681003
Port of Arrival: LOURENCO MARQUES,MOZAMBIQUE
Navigation Instrumentation: SATNAV,MANUAL ENTRY GYRO AND SPD CHANGES
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 12KHZ/GIFFT RECORDER/WIDE(60DEG)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
Topmost Latitude of Survey: -18
Bottommost Latitude: -29
Leftmost Longitude: +033
Rightmost Longitude: +072
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: 7966
Min/Max Data Record:
Date: 1968 09 05
Latitude: -28.10380
Longitude: +33.71449
Bathymetry, 2- Way Traveltime: 001875
Bathymetry, Corrected Depth: 141.0
Magnetics Total Field, 1st Sensor: 313440
Magnetics Residual Field: -06070
Min/Max Data Record:
Date: 1968 10 02
Latitude: -18.72810
Longitude: +71.22631
Bathymetry, 2- Way Traveltime: 074500
Bathymetry, Corrected Depth: 5631.0
Magnetics Total Field, 1st Sensor: 432800
Magnetics Residual Field: +04640