Survey Identifier: C1302
Format Acronym: MGD77
Data Center File Number: 01010077
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): P. BAHL
Project: CRUISE 13, LEG 2
Survey Departure Date (yyyymmdd): 19691003
Port of Departure: HONOLULU, HAWAII
Survey Arrival Date (yyyymmdd): 19691016
Port of Arrival: HONOLULU, HAWAII
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: +28
Bottommost Latitude: +21
Leftmost Longitude: -159
Rightmost Longitude: -157
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: 101
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: 1264
Min/Max Data Record:
Date: 1969 10 03
Latitude: +21.38170
Longitude: -158.36660
Bathymetry, 2- Way Traveltime: 007500
Bathymetry, Corrected Depth: 566.0
Magnetics Total Field, 1st Sensor: 362180
Magnetics Residual Field: -02920
Min/Max Data Record:
Date: 1969 10 16
Latitude: +28.10990
Longitude: -157.56480
Bathymetry, 2- Way Traveltime: 073750
Bathymetry, Corrected Depth: 5566.0
Magnetics Total Field, 1st Sensor: 383470
Magnetics Residual Field: +04250