Survey Identifier: 8503
Format Acronym: MGD77
Data Center File Number: 08020013
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19860303
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): DONALD HUSSONG/VERN KULM
Project: MW8503 CHILE MARGIN SEAMARC II SURVEY
Funding: NSF
Survey Departure Date (yyyymmdd): 19850205
Port of Departure: VALPARAISO, CHILE
Survey Arrival Date (yyyymmdd): 19850225
Port of Arrival: CALLAO, PERU
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 TOWFISH
Formats of Seismic Data: ANALOG, DIGITAL, MICROFILM
Topmost Latitude of Survey: -12
Bottommost Latitude: -42
Leftmost Longitude: -078
Rightmost Longitude: -070
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: 28275
Min/Max Data Record:
Date: 1985 02 05
Latitude: -41.27343
Longitude: -77.28822
Bathymetry, 2- Way Traveltime: 000560
Bathymetry, Corrected Depth: 42.0
Magnetics Total Field, 1st Sensor: 248260
Magnetics Residual Field: -00890
Min/Max Data Record:
Date: 1985 02 25
Latitude: -12.03040
Longitude: -70.40915
Bathymetry, 2- Way Traveltime: 106870
Bathymetry, Corrected Depth: 8058.0
Magnetics Total Field, 1st Sensor: 291230
Magnetics Residual Field: +04660