Survey Identifier: CAG71IDO


Format Acronym: MGD77
Data Center File Number: 03110001
Parameters Surveyed Code: 55530
File Creation Date (yyyymmdd): 19800209
Source Institution: NOAA/AOML
Country: UNITED STATES
Platform Name: RESEARCHER
Platform Type Code: 1
Platform Type: SHIP
Project: EQUATORIAL ATLANTIC PROJECT RP-12-71
Survey Departure Date (yyyymmdd): 19710915
Port of Departure: GRAND BAHAMA IS, BAHAMA
Survey Arrival Date (yyyymmdd): 19711118
Port of Arrival: GRAND BAHAMA IS, BAHAMA
Navigation Instrumentation: SRN-9 SATELLITE/DEAD RECKONING/LORAN-C
Bathymetry Instrumentation: 12-KHZ HARRIS N.B. ECHO SOUNDER
Magnetics Instrumentation: VARIAN D.R. PROTON-PRECESSION MAGNET.
Topmost Latitude of Survey: +26
Bottommost Latitude: +09
Leftmost Longitude: -078
Rightmost Longitude: -042
General Digitizing Rate of Bathymetry: 37
General Sampling Rate of Bathymetry: 1/MINUTE
Interpolation Scheme: 5-MINUTE INTERVALS AND PEAKS AND TROUGHS/INFLECTION PTS.
General Digitizing Rate of Magnetics: 58
General Sampling Rate of Magnetics: 06
Reference Field Code: 03
Reference Field: IGRF-65
General Digitizing Rate of Gravity: 58
Additional Documentation: GRAVITY ANOMALY SIGNS REPAIRED FEBRUARY 23, 1998.
Number of Data Records: 24375

Min/Max Data Record:
Date: 1971 09 15
Latitude: +9.98500
Longitude: -77.28160
Bathymetry, 2- Way Traveltime: 000750
Bathymetry, Corrected Depth: 56.0
Magnetics Total Field, 1st Sensor: 350840
Magnetics Residual Field: -04160
Observed Gravity: 9781359
Free-Air Anomaly: -2841

Min/Max Data Record:
Date: 1971 11 18
Latitude: +25.82680
Longitude: -42.26510
Bathymetry, 2- Way Traveltime: 108850
Bathymetry, Corrected Depth: 8364.0
Magnetics Total Field, 1st Sensor: 491280
Magnetics Residual Field: +09660
Observed Gravity: 9790142
Free-Air Anomaly: +2431