Survey Identifier: C2202


Format Acronym: MGD77
Data Center File Number: 01010194
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): EWING, JOHN I.
Project: c2202
Survey Departure Date (yyyymmdd): 19790116
Port of Departure: MANZANILLO, MEXICO
Survey Arrival Date (yyyymmdd): 19790218
Port of Arrival: MANZANILLO, MEXICO
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: SATELLITE/DEAD RECKONING
Bathymetry Instrumentation: 3.5
Magnetics Instrumentation: P
Gravity Instrumentation: BELL
Topmost Latitude of Survey: +21
Bottommost Latitude: +11
Leftmost Longitude: -110
Rightmost Longitude: -101
General Digitizing Rate of Bathymetry: 82
General Sampling Rate of Bathymetry: ONE SECOND
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 0
General Digitizing Rate of Magnetics: 73
Reference Field Code: 79
General Digitizing Rate of Gravity: 149
Theoretical Gravity Formula Code: 2
Reference System Code: 2
Number of Data Records: 7764

Min/Max Data Record:
Date: 1979 01 16
Latitude: +11.17220
Longitude: -109.34180
Bathymetry, 2- Way Traveltime: 001275
Bathymetry, Corrected Depth: 96.0
Magnetics Total Field, 1st Sensor: 374960
Magnetics Residual Field: -03040
Free-Air Anomaly: -1443

Min/Max Data Record:
Date: 1979 02 18
Latitude: +20.73250
Longitude: -101.84170
Bathymetry, 2- Way Traveltime: 073125
Bathymetry, Corrected Depth: 5518.0
Magnetics Total Field, 1st Sensor: 392560
Magnetics Residual Field: +03770
Free-Air Anomaly: +0415