Survey Identifier: 8501


Format Acronym: MGD77
Data Center File Number: 08020011
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19850303
Source Institution: HAWAII INSTITUTE OF GEOPHYSICS
Country: U.S.A.
Platform Name: R/V MOANA WAVE
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): FRED DUENNEBIER
Project: MW8501 GALAPAGOS PROPAGATING RIFT ZONE
Funding: NSF
Survey Departure Date (yyyymmdd): 19850115
Port of Departure: SANTA CRUZ, GALAPAGOS ECUADOR
Survey Arrival Date (yyyymmdd): 19850123
Port of Arrival: SANTA CRUZ, GALAPAGOS ECUADOR
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: PRIM-SATELLITE
Bathymetry Instrumentation: 3.5 KHZ, 30 DEG BEAM
Additional Forms of Bathymetric Data: ANALOG, MICROFILM, DIGITAL
Magnetics Instrumentation: GEOMETRICS G801-3
Additional Forms of Magnetics Data: ANALOG,DIGITAL
Seismic Instrumentation: 40 CU IN AIRGUN/ SEAMARC II
Formats of Seismic Data: ANALOG, MICROFILM, DIGITAL
Topmost Latitude of Survey: +03
Bottommost Latitude: -02
Leftmost Longitude: -097
Rightmost Longitude: -090
General Digitizing Rate of Bathymetry: 022
General Sampling Rate of Bathymetry: 1/SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NONE(PICKED PEAKS/TROUGHS,OR 15-MIN INTERVALS IF SMOOTH)
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 10
Reference Field Code: 04
Reference Field: IGRF-75
Method of Applying Residual Field: FOR EACH DATA VALUE
Number of Data Records: 9888

Min/Max Data Record:
Date: 1985 01 15
Latitude: -1.44274
Longitude: -96.33850
Bathymetry, 2- Way Traveltime: 000440
Bathymetry, Corrected Depth: 33.0
Magnetics Total Field, 1st Sensor: 318370
Magnetics Residual Field: -05450

Min/Max Data Record:
Date: 1985 01 23
Latitude: +2.99265
Longitude: -90.27847
Bathymetry, 2- Way Traveltime: 048580
Bathymetry, Corrected Depth: 3634.0
Magnetics Total Field, 1st Sensor: 337370
Magnetics Residual Field: +07160