Survey Identifier: OCPANAFZ
Format Acronym: MGD77
Data Center File Number: 03040062
Parameters Surveyed Code: 55511
File Creation Date (yyyymmdd): 19800209
Source Institution: ESSA
Country: UNITED STATES
Platform Name: OCEANOGRAPHER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): GRIM, PAUL J.
Project: PANAMA FRACTURE ZONE RP-1-69
Funding: NOAA
Survey Departure Date (yyyymmdd): 19690812
Port of Departure: 7 N 80.5 E
Survey Arrival Date (yyyymmdd): 19690828
Port of Arrival: 8 N 84.5 E
Navigation Instrumentation: SATELLITE
Bathymetry Instrumentation: SEE ADD DOC 19 AND 20
Magnetics Instrumentation: VARIAN V-4937
Gravity Instrumentation: GRAF ASKANIA #22
Topmost Latitude of Survey: +09
Bottommost Latitude: +01
Leftmost Longitude: -085
Rightmost Longitude: -079
General Digitizing Rate of Bathymetry: 050
Assumed Sound Velocity: 14630
Interpolation Scheme: 5-MIN INTERVALS,PEAKS,TROUGHS,AND STEEP SLOPES
General Digitizing Rate of Magnetics: 050
Magnetic Sensor Tow Distance: 0198
Reference Field Code: 88
Reference Field: ADD DOC 18
General Digitizing Rate of Gravity: 52
Corrections Applied: DRIFT: 0.17 MGALS/DAY
Additional Documentation: CAIN, HENDRICKS, LANGEL, HUDSO; JOURNAL OF GEOMAG AND GEOELECTRIC,VOL19,P.335, NARROW BEAM GENERAL ELECTRIC GYRO STABILIZED ECHO SOUNDER (20 KILOCYCLES), EDO PRECISION DEPTH RECORDER #333A, WARNING: MGD77 DATA RECORDS FOR THIS CRUISE MAY CONTAIN NEGATIVE GRAVITY, ANOMALY VALUES THAT SHOULD BE POSITIVE.
Number of Data Records: 9099
Min/Max Data Record:
Date: 1969 08 12
Latitude: +1.97610
Longitude: -84.51550
Bathymetry, 2- Way Traveltime: 003625
Bathymetry, Corrected Depth: 274.0
Magnetics Total Field, 1st Sensor: 335650
Magnetics Residual Field: -04280
Free-Air Anomaly: -1350
Min/Max Data Record:
Date: 1969 08 28
Latitude: +8.09000
Longitude: -79.47780
Bathymetry, 2- Way Traveltime: 062625
Bathymetry, Corrected Depth: 4707.0
Magnetics Total Field, 1st Sensor: 374990
Magnetics Residual Field: +04130
Free-Air Anomaly: -0001