Survey Identifier: C1903
Format Acronym: MGD77
Data Center File Number: 01010142
Parameters Surveyed Code: 55500
File Creation Date (yyyymmdd): 19870803
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 , WINDISCH, CHARLES
Project: c1903
Survey Departure Date (yyyymmdd): 19751022
Port of Departure: NEW YORK, NEW YORK
Survey Arrival Date (yyyymmdd): 19751118
Port of Arrival: SAN JUAN , PUERTO RICO
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: SATELLITE / DEAD RECKONING
Bathymetry Instrumentation: 3.5
Magnetics Instrumentation: P
Gravity Instrumentation: BELL
Topmost Latitude of Survey: +41
Bottommost Latitude: +18
Leftmost Longitude: -078
Rightmost Longitude: -066
General Digitizing Rate of Bathymetry: 65
General Sampling Rate of Bathymetry: ONE SECOND
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 0
General Digitizing Rate of Magnetics: 56
Reference Field Code: 75
General Digitizing Rate of Gravity: 114
Theoretical Gravity Formula Code: 2
Reference System Code: 2
Number of Data Records: 8152
Min/Max Data Record:
Date: 1975 10 22
Latitude: +18.47670
Longitude: -77.80170
Bathymetry, 2- Way Traveltime: 000450
Bathymetry, Corrected Depth: 34.0
Magnetics Total Field, 1st Sensor: 454210
Magnetics Residual Field: -07570
Free-Air Anomaly: -3680
Min/Max Data Record:
Date: 1975 11 18
Latitude: +40.45670
Longitude: -66.05150
Bathymetry, 2- Way Traveltime: 108950
Bathymetry, Corrected Depth: 8372.0
Magnetics Total Field, 1st Sensor: 510580
Magnetics Residual Field: -03450
Free-Air Anomaly: +0675