Survey Identifier: 70042205
Format Acronym: MGD77
Data Center File Number: 08040005
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): MALAHOFF
Project: MONSTER CRUISE MAHI 2-70
Funding: NSF
Survey Departure Date (yyyymmdd): 19701101
Port of Departure: GUAM
Survey Arrival Date (yyyymmdd): 19701216
Port of Arrival: HONOLULU, HAWAII
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: PRIM-SATELLITE
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: AIRGUN, SPARKER
Formats of Seismic Data: ANALOG
Topmost Latitude of Survey: +30
Bottommost Latitude: +13
Leftmost Longitude: +144
Rightmost Longitude: -157
General Digitizing Rate of Bathymetry: 92
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: 175
General Sampling Rate of Magnetics: 00
Magnetic Sensor Tow Distance: 0000
Sensor Depth: 00000
Horizontal Sensor Separation: 000
Reference Field Code: 00
General Digitizing Rate of Gravity: 205
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: 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: 11592
Min/Max Data Record:
Date: 1970 11 01
Latitude: +13.39837
Longitude: -179.99804
Bathymetry, 2- Way Traveltime: 000080
Bathymetry, Corrected Depth: 6.0
Magnetics Total Field, 1st Sensor: 336140
Magnetics Residual Field: -13210
Free-Air Anomaly: -0790
Min/Max Data Record:
Date: 1970 12 16
Latitude: +29.19985
Longitude: +179.99648
Bathymetry, 2- Way Traveltime: 091640
Bathymetry, Corrected Depth: 6970.0
Magnetics Total Field, 1st Sensor: 401500
Magnetics Residual Field: +07490
Free-Air Anomaly: +1490