Survey Identifier: DICPVERD


Format Acronym: MGD77
Data Center File Number: 03030001
Parameters Surveyed Code: 55511
File Creation Date (yyyymmdd): 19800209
Source Institution: NOAA
Country: UNITED STATES
Platform Name: DISCOVERER
Platform Type Code: 1
Platform Type: SHIP
Project: CAPE VERDE ISLANDS STUDY AMC-RP-5-70
Survey Departure Date (yyyymmdd): 19700728
Port of Departure: 28'N LAT 30' W LON
Survey Arrival Date (yyyymmdd): 19700807
Port of Arrival: 18'N LAT 15'W LON
Bathymetry Instrumentation: NARROW BEAM ECHO SOUNDER (WIDTH OF 3)
Magnetics Instrumentation: PROTON PRECESSION MAGNETOMETER
Gravity Instrumentation: GRAF ASKANIA #23
Topmost Latitude of Survey: +19
Bottommost Latitude: +14
Leftmost Longitude: -027
Rightmost Longitude: -017
General Digitizing Rate of Bathymetry: 49
General Digitizing Rate of Magnetics: 56
Magnetic Sensor Tow Distance: 0650
General Digitizing Rate of Gravity: 293
Departure Base Station Gravity: 9783883
Departure Base Station Description: M'BOUR SENEGAL:ORSTOM
Additional Documentation: WARNING: MGD77 DATA RECORDS FOR THIS CRUISE MAY CONTAIN NEGATIVE GRAVITY, ANOMALY VALUES THAT SHOULD BE POSITIVE.
Number of Data Records: 2723

Min/Max Data Record:
Date: 1970 07 28
Latitude: +14.38330
Longitude: -26.68830
Bathymetry, 2- Way Traveltime: 000950
Bathymetry, Corrected Depth: 71.0
Magnetics Total Field, 1st Sensor: 327020
Magnetics Residual Field: -03880
Free-Air Anomaly: -2272

Min/Max Data Record:
Date: 1970 08 07
Latitude: +18.65810
Longitude: -17.53000
Bathymetry, 2- Way Traveltime: 059100
Bathymetry, Corrected Depth: 4453.0
Magnetics Total Field, 1st Sensor: 349710
Magnetics Residual Field: +07480
Free-Air Anomaly: -0001