Survey Identifier: C1110
Format Acronym: MGD77
Data Center File Number: 01010053
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): D. EPP
Project: CRUISE 11, LEG 10
Survey Departure Date (yyyymmdd): 19670820
Port of Departure: VICTORIA, BRITISH COLUMBIA
Survey Arrival Date (yyyymmdd): 19670916
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
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: +49
Bottommost Latitude: -17
Leftmost Longitude: -149
Rightmost Longitude: -123
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: 150
General Sampling Rate of Magnetics: 06
Reference Field Code: 03
Reference Field: IGRF-65
Method of Applying Residual Field: LINEAR INTERPOLATION BETWEEN TWO NAV PTS
General Digitizing Rate of Gravity: 100
General Sampling Rate of Gravity: 00
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: 6554
Min/Max Data Record:
Date: 1967 08 20
Latitude: -16.89600
Longitude: -148.69600
Bathymetry, 2- Way Traveltime: 001275
Bathymetry, Corrected Depth: 96.0
Magnetics Total Field, 1st Sensor: 325420
Magnetics Residual Field: -04650
Free-Air Anomaly: -0696
Min/Max Data Record:
Date: 1967 09 16
Latitude: +48.46250
Longitude: -123.46330
Bathymetry, 2- Way Traveltime: 076300
Bathymetry, Corrected Depth: 5765.0
Magnetics Total Field, 1st Sensor: 563380
Magnetics Residual Field: +10990
Free-Air Anomaly: +0415