Survey Identifier: C1217
Format Acronym: MGD77
Data Center File Number: 01010072
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): R. LEYDEN
Project: CRUISE 12, LEG 17
Funding: 4
Survey Departure Date (yyyymmdd): 19690528
Port of Departure: SINGAPORE, MALAYA
Survey Arrival Date (yyyymmdd): 19690618
Port of Arrival: SASEBO, JAPAN
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 GSS2-6
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: +34
Bottommost Latitude: +01
Leftmost Longitude: +104
Rightmost Longitude: +130
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: 49
Reference Field Code: 03
Reference Field: IGRF-65
Method of Applying Residual Field: LINEAR INTERPOLATION BETWEEN TWO NAV PTS
General Digitizing Rate of Gravity: 49
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: 6027
Min/Max Data Record:
Date: 1969 05 28
Latitude: +1.35830
Longitude: +104.40500
Bathymetry, 2- Way Traveltime: 000350
Bathymetry, Corrected Depth: 26.0
Magnetics Total Field, 1st Sensor: 388220
Magnetics Residual Field: -08560
Free-Air Anomaly: -2531
Min/Max Data Record:
Date: 1969 06 17
Latitude: +33.09170
Longitude: +129.56670
Bathymetry, 2- Way Traveltime: 126225
Bathymetry, Corrected Depth: 9745.0
Magnetics Total Field, 1st Sensor: 472110
Magnetics Residual Field: +03520
Free-Air Anomaly: +2253