Survey Identifier: MW8801
Format Acronym: MGD77
Data Center File Number: 08020047
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19901207
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): DAVE CHRISTIE
Project: MW8801. AUSTRALIA-ANTARCTIC DISCORDANCE SEAMARC II SURVEY
Funding: NSF
Survey Departure Date (yyyymmdd): 19880117
Port of Departure: MELBOURNE, AUSTRALIA
Survey Arrival Date (yyyymmdd): 19880221
Port of Arrival: FREMANTLE, AUSTRALIA
Navigation Instrumentation: GPS, SATNAV
Geodetic Datum/Position: PRI=GPS,SEC=SATNAV
Bathymetry Instrumentation: 3.5 KHZ 30 DEGREE BEAM, 1 SEC SWEEP
Additional Forms of Bathymetric Data: ANALOG, DIGITAL, MICROFILM
Magnetics Instrumentation: GEOMETRICS G 801-3
Additional Forms of Magnetics Data: ANALOG, DIGITAL
Gravity Instrumentation: LACOSTE ROMBERG S-33
Additional Forms of Gravity Data: ANALOG, DIGITAL
Seismic Instrumentation: SONOBUOY
Formats of Seismic Data: ANALOG, MICROFILM
Topmost Latitude of Survey: -31
Bottommost Latitude: -52
Leftmost Longitude: +114
Rightmost Longitude: +145
General Digitizing Rate of Bathymetry: 021
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: 20
Magnetic Sensor Tow Distance: 0000
Sensor Depth: 00000
Horizontal Sensor Separation: 000
Reference Field Code: 12
Reference Field: IGRF-1985
Method of Applying Residual Field: FOR EACH DATA VALUE
General Digitizing Rate of Gravity: 010
General Sampling Rate of Gravity: 30
Theoretical Gravity Formula Code: 8
Theoretical Gravity Formula: IAG SYSTEM 1974
Reference System Code: 3
Reference System: IGSN 71
Corrections Applied: NONE APPLIED
Departure Base Station Gravity: 9799755
Departure Base Station Description: MELBOURNE,AUSTRALIA - 7990.8
Arrival Base Station Gravity: 9785226
Arrival Base Station Description: AGANA,GUAM - 6564.7
Additional Documentation: DATA TAKEN ON BOARD:BMG. SEAMARC II SIDESCAN SONAR AND BATHY. RD(#1-30); REFRACTION(SONOBUOY;ASPER); WATER SAMPLING; XBT(#93-144). 114.85,144.60,-51.08,-31.96. NGDC HAS MULTIBEAM BATHYMETRIC DATA FOR PART OF THIS CRUISE IN THE AREA, 48S TO 52S, 122E TO 134E.
Number of Data Records: 69927
Min/Max Data Record:
Date: 1988 01 17
Latitude: -51.07807
Longitude: +114.85172
Bathymetry, 2- Way Traveltime: 028630
Bathymetry, Corrected Depth: 2135.0
Magnetics Total Field, 1st Sensor: 617130
Magnetics Residual Field: -06293
Observed Gravity: 9799905
Free-Air Anomaly: -1514
Min/Max Data Record:
Date: 1988 02 21
Latitude: -31.95657
Longitude: +144.59690
Bathymetry, 2- Way Traveltime: 083160
Bathymetry, Corrected Depth: 6294.0
Magnetics Total Field, 1st Sensor: 672930
Magnetics Residual Field: +14393
Observed Gravity: 9811819
Free-Air Anomaly: +1012