Survey Identifier: CIRC06AR


Format Acronym: MGD77
Data Center File Number: 15010009
Parameters Surveyed Code: 55111
File Creation Date (yyyymmdd): 19810616
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 6
Survey Departure Date (yyyymmdd): 19680804
Port of Departure: PT.LOUIS,MAURITIUS
Survey Arrival Date (yyyymmdd): 19680901
Port of Arrival: PT.LOUIS,MAURITIUS
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: -08
Bottommost Latitude: -21
Leftmost Longitude: +057
Rightmost Longitude: +073
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: 7768

Min/Max Data Record:
Date: 1968 08 04
Latitude: -20.11720
Longitude: +57.22211
Bathymetry, 2- Way Traveltime: 000200
Bathymetry, Corrected Depth: 15.0
Magnetics Total Field, 1st Sensor: 362760
Magnetics Residual Field: -07380

Min/Max Data Record:
Date: 1968 08 31
Latitude: -8.78160
Longitude: +72.57880
Bathymetry, 2- Way Traveltime: 083500
Bathymetry, Corrected Depth: 6329.0
Magnetics Total Field, 1st Sensor: 415280
Magnetics Residual Field: +07530