Survey Identifier: C1403
Format Acronym: MGD77
Data Center File Number: 01010092
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19890706
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: USA
Platform Name: ROBERT D. CONRAD
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): G. CARPENTER
Project: CRUISE 14, LEG 3
Survey Departure Date (yyyymmdd): 19710406
Port of Departure: SINGAPORE, MALAYA
Survey Arrival Date (yyyymmdd): 19710506
Port of Arrival: DARWIN, AUSTRALIA
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: SATELLITE/ DEAD RECKONING
Bathymetry Instrumentation: (SEE ADD DOC / 18)
Additional Forms of Bathymetric Data: ANALOG RECORDS
Magnetics Instrumentation: L-DGO MFG PROTON-PRECESSION
Additional Forms of Magnetics Data: ANALOG RECORDS
Gravity Instrumentation: ANSCHUTZ ELECTRICTABLE, ASKANIA GSS2-31
Additional Forms of Gravity Data: ANALOG RECORDS
Seismic Instrumentation: L-DGO 25CU-IN-AIRGUN,EEL,DRUM RECORDER
Formats of Seismic Data: TWO, 2 CHANNEL SHEET RECORDS
Topmost Latitude of Survey: +02
Bottommost Latitude: -22
Leftmost Longitude: +099
Rightmost Longitude: +131
General Digitizing Rate of Bathymetry: 060
General Sampling Rate of Bathymetry: ONE SECOND
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: NONE
General Digitizing Rate of Magnetics: 39
Reference Field Code: 03
Reference Field: IGRF-65
Method of Applying Residual Field: LINEAR INTERPOLATION BETWEEN TWO NAV PTS
General Digitizing Rate of Gravity: 39
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNAT'L 1930
Reference System Code: 2
Reference System: POTSDAM SYSTEM
Additional Documentation: 06 -3.5 AND 12 KHZ, WIDE BEAM (60 DEG), 1 SECOND SWEEP
Number of Data Records: 10921
Min/Max Data Record:
Date: 1971 04 06
Latitude: -21.99330
Longitude: +99.29260
Bathymetry, 2- Way Traveltime: 000225
Bathymetry, Corrected Depth: 17.0
Magnetics Total Field, 1st Sensor: 413040
Magnetics Residual Field: -08020
Free-Air Anomaly: -1427
Min/Max Data Record:
Date: 1971 05 05
Latitude: +1.30800
Longitude: +130.35900
Bathymetry, 2- Way Traveltime: 092750
Bathymetry, Corrected Depth: 7056.0
Magnetics Total Field, 1st Sensor: 524480
Magnetics Residual Field: +08320
Free-Air Anomaly: +1278