Survey Identifier: 70042201
Format Acronym: MGD77
Data Center File Number: 08040001
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): L. KROENKE
Project: MONSTER CRUISE MAHI 2-70
Funding: ONR
Survey Departure Date (yyyymmdd): 19700422
Port of Departure: HONOLULU-FANNING ISL.-PAGO PAGO
Survey Arrival Date (yyyymmdd): 19700620
Port of Arrival: GUAM
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: (SEE ADD.DOC. 18)
Formats of Seismic Data: ANALOG
Topmost Latitude of Survey: +22
Bottommost Latitude: -20
Leftmost Longitude: +167
Rightmost Longitude: -155
General Digitizing Rate of Bathymetry: 76
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: 148
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: 191
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, B, M, G, REFLX (LOW, MIX), 24-XBT, PCOD, BOTTLE CAST, BC, 09 FFC, FFTG, HEAT PROBE. 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: 16544
Min/Max Data Record:
Date: 1970 04 22
Latitude: -19.64795
Longitude: -179.99992
Bathymetry, 2- Way Traveltime: 000110
Bathymetry, Corrected Depth: 8.0
Magnetics Total Field, 1st Sensor: 326940
Magnetics Residual Field: -17390
Free-Air Anomaly: -2700
Min/Max Data Record:
Date: 1970 06 20
Latitude: +21.31367
Longitude: +179.99986
Bathymetry, 2- Way Traveltime: 099520
Bathymetry, Corrected Depth: 7590.0
Magnetics Total Field, 1st Sensor: 469600
Magnetics Residual Field: +07940
Free-Air Anomaly: +2500