Survey Identifier: C1301


Format Acronym: MGD77
Data Center File Number: 01010076
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): P. BUHL
Project: CRUISE 13, LEG 1
Survey Departure Date (yyyymmdd): 19690909
Port of Departure: HONOLULU, HAWAII
Survey Arrival Date (yyyymmdd): 19690929
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
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: +31
Bottommost Latitude: +19
Leftmost Longitude: -163
Rightmost Longitude: -146
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: 45
Reference Field Code: 03
Reference Field: IGRF-65
Method of Applying Residual Field: LINEAR INTERPOLATION BETWEEN TWO NAV PTS
General Digitizing Rate of Gravity: 45
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: 6175

Min/Max Data Record:
Date: 1969 09 09
Latitude: +19.65620
Longitude: -162.97740
Bathymetry, 2- Way Traveltime: 001100
Bathymetry, Corrected Depth: 82.0
Magnetics Total Field, 1st Sensor: 355760
Magnetics Residual Field: -09640
Free-Air Anomaly: -1093

Min/Max Data Record:
Date: 1969 09 29
Latitude: +30.01190
Longitude: -146.08410
Bathymetry, 2- Way Traveltime: 083000
Bathymetry, Corrected Depth: 6288.0
Magnetics Total Field, 1st Sensor: 400260
Magnetics Residual Field: +03350
Free-Air Anomaly: +1969