Survey Identifier: C2911
Format Acronym: MGD77
Data Center File Number: 01010299
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19901121
Source Institution: Lamont-Doherty Geological Observatory
Country: United States
Platform Name: R/V Conrad
Platform Type Code: 1
Platform Type: ship
Chief Scientist(s): Dr. A. B. Watts
Project: c2911
Survey Departure Date (yyyymmdd): 19881102
Port of Departure: Barcelona, Spain
Survey Arrival Date (yyyymmdd): 19881129
Port of Arrival: Cadiz, Spain
Navigation Instrumentation: GPS< tr sat, and furuno
Geodetic Datum/Position: dead reconing
Bathymetry Instrumentation: 3.5 PDR
Magnetics Instrumentation: proton procession
Gravity Instrumentation: Bell BGM-3
Topmost Latitude of Survey: +42
Bottommost Latitude: +35
Leftmost Longitude: -007
Rightmost Longitude: +005
General Digitizing Rate of Bathymetry: 50
General Sampling Rate of Bathymetry: contineous
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 0
General Digitizing Rate of Magnetics: 10
Reference Field Code: 4
Reference Field: IGRF-75
General Digitizing Rate of Gravity: 10
General Sampling Rate of Gravity: 60
Theoretical Gravity Formula Code: 2
Reference System Code: 2
Arrival Base Station Gravity: 9798495
Arrival Base Station Description: closed RR station in Roto, Spai
Number of Data Records: 38488
Min/Max Data Record:
Date: 1988 11 02
Latitude: +35.19004
Longitude: -6.97925
Bathymetry, 2- Way Traveltime: 000206
Bathymetry, Corrected Depth: 15.0
Magnetics Total Field, 1st Sensor: 420240
Magnetics Residual Field: -02300
Observed Gravity: 9797022
Free-Air Anomaly: -1308
Min/Max Data Record:
Date: 1988 11 29
Latitude: +41.94027
Longitude: +4.65093
Bathymetry, 2- Way Traveltime: 036661
Bathymetry, Corrected Depth: 2803.0
Magnetics Total Field, 1st Sensor: 449760
Magnetics Residual Field: +04490
Observed Gravity: 9803734
Free-Air Anomaly: +0750