Survey Identifier: CIRC04AR
Format Acronym: MGD77
Data Center File Number: 15010007
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19810928
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V ARGO
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): COX C.
Project: CIRCE LEG 4
Survey Departure Date (yyyymmdd): 19680606
Port of Departure: COLOMBO,CEYLON
Survey Arrival Date (yyyymmdd): 19680628
Port of Arrival: COLOMBO,CEYLON
Navigation Instrumentation: CELESTIAL,MANUAL ENTRY GYRO SPEED
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: +06
Bottommost Latitude: -06
Leftmost Longitude: +080
Rightmost Longitude: +092
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: 2811
Min/Max Data Record:
Date: 1968 06 06
Latitude: -5.52001
Longitude: +80.34999
Bathymetry, 2- Way Traveltime: 000700
Bathymetry, Corrected Depth: 53.0
Magnetics Total Field, 1st Sensor: 401560
Magnetics Residual Field: -03810
Min/Max Data Record:
Date: 1968 06 16
Latitude: +5.75000
Longitude: +91.99060
Bathymetry, 2- Way Traveltime: 068000
Bathymetry, Corrected Depth: 5125.0
Magnetics Total Field, 1st Sensor: 419080
Magnetics Residual Field: +03490