Survey Identifier: C1502


Format Acronym: MGD77
Data Center File Number: 01010098
Parameters Surveyed Code: 55530
File Creation Date (yyyymmdd): 19870728
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: U.S.A.
Platform Name: CONRAD
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): PITMAN, W.
Project: c1502
Survey Departure Date (yyyymmdd): 19711101
Port of Departure: PAPEETE, TAHITI
Survey Arrival Date (yyyymmdd): 19711201
Port of Arrival: VALPARAISO, CHILE
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: SATELLITE / DEAD RECKONING
Bathymetry Instrumentation: 3.5
Magnetics Instrumentation: P
Gravity Instrumentation: BELL
Topmost Latitude of Survey: -17
Bottommost Latitude: -33
Leftmost Longitude: -150
Rightmost Longitude: -071
General Digitizing Rate of Bathymetry: 33
General Sampling Rate of Bathymetry: ONE SECOND
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 0
General Digitizing Rate of Magnetics: 32
Reference Field Code: 71
General Digitizing Rate of Gravity: 36
Theoretical Gravity Formula Code: 2
Reference System Code: 2
Number of Data Records: 11486

Min/Max Data Record:
Date: 1971 11 01
Latitude: -32.92830
Longitude: -149.71260
Bathymetry, 2- Way Traveltime: 001900
Bathymetry, Corrected Depth: 142.0
Magnetics Total Field, 1st Sensor: 262950
Magnetics Residual Field: -09830
Free-Air Anomaly: -1729

Min/Max Data Record:
Date: 1971 12 01
Latitude: -17.56330
Longitude: -71.67500
Bathymetry, 2- Way Traveltime: 082200
Bathymetry, Corrected Depth: 6220.0
Magnetics Total Field, 1st Sensor: 394550
Magnetics Residual Field: +04820
Free-Air Anomaly: +1215