Survey Identifier: C1305
Format Acronym: MGD77
Data Center File Number: 01010080
Parameters Surveyed Code: 55333
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): L. SULLIVAN
Project: CRUISE 13, LEG 5
Survey Departure Date (yyyymmdd): 19700130
Port of Departure: SUVA, FIJI
Survey Arrival Date (yyyymmdd): 19700302
Port of Arrival: PAPEETE, TAHITI
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
Seismic Instrumentation: L-DGO 25CU-IN-AIRGUN,EEL,DRUM RECORDER
Formats of Seismic Data: TWO, 2 CHANNEL SHEET RECORDS
Topmost Latitude of Survey: +15
Bottommost Latitude: -18
Leftmost Longitude: +178
Rightmost Longitude: -153
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: 46
Reference Field Code: 03
Reference Field: IGRF-65
Method of Applying Residual Field: LINEAR INTERPOLATION BETWEEN TWO NAV PTS
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: 5795
Min/Max Data Record:
Date: 1970 01 30
Latitude: -17.87330
Longitude: -179.99510
Bathymetry, 2- Way Traveltime: 007875
Bathymetry, Corrected Depth: 597.0
Magnetics Total Field, 1st Sensor: 355220
Magnetics Residual Field: -10020
Min/Max Data Record:
Date: 1970 02 20
Latitude: +14.04050
Longitude: +179.99050
Bathymetry, 2- Way Traveltime: 077625
Bathymetry, Corrected Depth: 5871.0
Magnetics Total Field, 1st Sensor: 444250
Magnetics Residual Field: +09760