Survey Identifier: DIVENCZ
Format Acronym: MGD77
Data Center File Number: 03030003
Parameters Surveyed Code: 55531
File Creation Date (yyyymmdd): 19800209
Source Institution: ESSA
Country: UNITED STATES
Platform Name: DISCOVERER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): GEORGE, PETER (MGGL)
Project: VENEZUELA SHELF AMC-RP-4-69
Funding: NOAA
Survey Departure Date (yyyymmdd): 19690808
Port of Departure: VENEZUELA
Survey Arrival Date (yyyymmdd): 19690818
Navigation Instrumentation: OMEGA, CELESTIAL
Bathymetry Instrumentation: NARROW BEAM ECHO SOUNDER (WIDTH-1.5)
Magnetics Instrumentation: PROTON PRECESSION MAGNETOMETER
Seismic Instrumentation: GRAF ASKAINIA #23
Topmost Latitude of Survey: +13
Bottommost Latitude: +10
Leftmost Longitude: -067
Rightmost Longitude: -064
General Digitizing Rate of Bathymetry: 55
Assumed Sound Velocity: 14630
General Digitizing Rate of Magnetics: 244
Magnetic Sensor Tow Distance: 0150
Reference Field Code: 03
Reference Field: IGRF-65
General Digitizing Rate of Gravity: 302
Corrections Applied: DRIFT: +3.2 MGALS
Departure Base Station Gravity: 9782997
Additional Documentation: GRAVITY ANOMALY SIGNS REPAIRED MARCH 9, 1998.
Number of Data Records: 2067
Min/Max Data Record:
Date: 1969 08 08
Latitude: +10.37220
Longitude: -66.50660
Bathymetry, 2- Way Traveltime: 000525
Bathymetry, Corrected Depth: 39.0
Magnetics Total Field, 1st Sensor: 374400
Magnetics Residual Field: -03840
Observed Gravity: 9780885
Free-Air Anomaly: -1948
Min/Max Data Record:
Date: 1969 08 18
Latitude: +12.90000
Longitude: -64.53830
Bathymetry, 2- Way Traveltime: 066075
Bathymetry, Corrected Depth: 5002.0
Magnetics Total Field, 1st Sensor: 392390
Magnetics Residual Field: +02940
Observed Gravity: 9783931
Free-Air Anomaly: +1219