Survey Identifier: C1303


Format Acronym: MGD77
Data Center File Number: 01010078
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): C. WINDISCH
Project: CRUISE 13, LEG 3
Survey Departure Date (yyyymmdd): 19691031
Port of Departure: HONOLULU, HAWAII
Survey Arrival Date (yyyymmdd): 19691214
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: +37
Bottommost Latitude: +21
Leftmost Longitude: -166
Rightmost Longitude: -150
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: 50
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: 9470

Min/Max Data Record:
Date: 1969 10 31
Latitude: +21.25300
Longitude: -165.36890
Bathymetry, 2- Way Traveltime: 000500
Bathymetry, Corrected Depth: 38.0
Magnetics Total Field, 1st Sensor: 364310
Magnetics Residual Field: -06150

Min/Max Data Record:
Date: 1969 12 14
Latitude: +36.03500
Longitude: -150.37880
Bathymetry, 2- Way Traveltime: 085725
Bathymetry, Corrected Depth: 6494.0
Magnetics Total Field, 1st Sensor: 434230
Magnetics Residual Field: +05160