Survey Identifier: 70042204
Format Acronym: MGD77
Data Center File Number: 08040004
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19830317
Source Institution: HAWAII INSTITUTE OF GEOPHYSICS
Country: U.S.A.
Platform Name: R/V MAHI
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): J. ANDREWS
Project: MONSTER CRUISE MAHI 2-70
Funding: NSF
Survey Departure Date (yyyymmdd): 19700915
Port of Departure: GUAM-MAJURO-PONAPE
Survey Arrival Date (yyyymmdd): 19701031
Port of Arrival: GUAM
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: PRIM-SATTELITE
Bathymetry Instrumentation: 3.5 KHZ
Additional Forms of Bathymetric Data: ANALOG
Additional Forms of Magnetics Data: ANALOG
Additional Forms of Gravity Data: ANALOG
Seismic Instrumentation: (SEE ADD.DOC. 18)
Formats of Seismic Data: ANALOG
Topmost Latitude of Survey: +14
Bottommost Latitude: -01
Leftmost Longitude: +139
Rightmost Longitude: -163
General Digitizing Rate of Bathymetry: 95
General Sampling Rate of Bathymetry: 1/SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NONE.(PICKED PEAKS/TROUGHS OR 15-MIN INTERVLS IF SMOOTH)
General Digitizing Rate of Magnetics: 162
General Sampling Rate of Magnetics: 00
Magnetic Sensor Tow Distance: 0000
Sensor Depth: 00000
Horizontal Sensor Separation: 000
Reference Field Code: 00
Reference Field: IGRF-65
General Digitizing Rate of Gravity: 200
General Sampling Rate of Gravity: 00
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNATIONAL1930
Reference System Code: 2
Reference System: POTSDAM
Departure Base Station Gravity: 0000000
Arrival Base Station Gravity: 0000000
Additional Documentation: 09 AIRGUN, SPARKER, B, M, G, REFLX (HIGH, LOW, MIX), EXPLOSIVES, BC, 09 PLANKTON TOW, PC, FFC, HEAT FLOW, BOTTLE CAST, FFTG. 15 GRAVITY BASE STATIONS IN GEORGE P. WOOLLARD AND JOHN C. ROSE, 15 INTERNATIONAL GRAVITY MEASUREMENTS, MADISON, UNIV OF WISCONSIN, 1963
Number of Data Records: 10686
Min/Max Data Record:
Date: 1970 09 15
Latitude: -0.51950
Longitude: -179.99151
Bathymetry, 2- Way Traveltime: 000110
Bathymetry, Corrected Depth: 8.0
Magnetics Total Field, 1st Sensor: 327670
Magnetics Residual Field: -10250
Free-Air Anomaly: -2670
Min/Max Data Record:
Date: 1970 10 31
Latitude: +13.46250
Longitude: +179.98638
Bathymetry, 2- Way Traveltime: 125270
Bathymetry, Corrected Depth: 9668.0
Magnetics Total Field, 1st Sensor: 355000
Magnetics Residual Field: +02970
Free-Air Anomaly: +1810