Survey Identifier: C2304


Format Acronym: MGD77
Data Center File Number: 01010216
Parameters Surveyed Code: 55500
File Creation Date (yyyymmdd): 19870805
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: U.S.A.
Platform Name: CONRAD
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): CANDE, STEVEN C.
Project: c2304
Survey Departure Date (yyyymmdd): 19820407
Port of Departure: VALPARISO, CHILE
Survey Arrival Date (yyyymmdd): 19820509
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: -32
Bottommost Latitude: -49
Leftmost Longitude: -079
Rightmost Longitude: -071
General Digitizing Rate of Bathymetry: 77
General Sampling Rate of Bathymetry: ONE SECOND
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 0
General Digitizing Rate of Magnetics: 66
Reference Field Code: 82
General Digitizing Rate of Gravity: 157
Theoretical Gravity Formula Code: 2
Reference System Code: 2
Number of Data Records: 9073

Min/Max Data Record:
Date: 1982 04 07
Latitude: -48.04270
Longitude: -78.03690
Bathymetry, 2- Way Traveltime: 000750
Bathymetry, Corrected Depth: 56.0
Magnetics Total Field, 1st Sensor: 261100
Magnetics Residual Field: -07400
Free-Air Anomaly: -1110

Min/Max Data Record:
Date: 1982 05 09
Latitude: -32.99450
Longitude: -71.65500
Bathymetry, 2- Way Traveltime: 068350
Bathymetry, Corrected Depth: 5142.0
Magnetics Total Field, 1st Sensor: 326850
Magnetics Residual Field: +04910
Free-Air Anomaly: +1817