Survey Identifier: MW8518
Format Acronym: MGD77
Data Center File Number: 08020027
Parameters Surveyed Code: 51531
File Creation Date (yyyymmdd): 19901115
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): BRIAN TAYLOR, KEITH CROOK
Project: MW8518. MANUS BASIN SAMPLING.
Funding: AID,NSF,AUST/BMR,ANW
Survey Departure Date (yyyymmdd): 19851226
Port of Departure: RABAUL,NEW BRITAIN,NEW GUINEA
Survey Arrival Date (yyyymmdd): 19860109
Port of Arrival: POHNPEI, U.S.TRUST TERRITORY
Navigation Instrumentation: GPS,SATNAV,OMEGA
Geodetic Datum/Position: PRIM=GPS, SEC=SATNAV
Bathymetry Instrumentation: 3.5 KHZ 30 DEGREE BEAM, 1 SEC SWEEP
Additional Forms of Bathymetric Data: ANALOG, DIGITAL, MICROFILM
Magnetics Instrumentation: NONE
Gravity Instrumentation: LACOSTE ROMBERG S-33
Additional Forms of Gravity Data: ANALOG, DIGITAL
Seismic Instrumentation: NONE
Topmost Latitude of Survey: +08
Bottommost Latitude: -05
Leftmost Longitude: +148
Rightmost Longitude: +159
General Digitizing Rate of Bathymetry: 020
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 Gravity: 010
General Sampling Rate of Gravity: 60
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: IAG SYSTEM 1967
Reference System Code: 3
Reference System: IGSN 71
Corrections Applied: NONE APPLIED
Departure Base Station Gravity: 9789243
Departure Base Station Description: HONOLULU PIER 45
Arrival Base Station Gravity: 9789243
Arrival Base Station Description: HONOLULU PIER 45
Additional Documentation: DATA TAKEN ON BOARD: B,G. XBT'S, RD(34), PC(4), GC(1), BC(11). 12 KHZ PINGER RECORDS. GRAVITY STILL METER: 6947.8. 149.00,158.20,-4.27,7.04.
Number of Data Records: 25859
Min/Max Data Record:
Date: 1985 12 26
Latitude: -4.27340
Longitude: +148.99873
Bathymetry, 2- Way Traveltime: 000160
Bathymetry, Corrected Depth: 12.0
Observed Gravity: 9779041
Free-Air Anomaly: -0831
Min/Max Data Record:
Date: 1986 01 09
Latitude: +7.03787
Longitude: +158.19920
Bathymetry, 2- Way Traveltime: 064510
Bathymetry, Corrected Depth: 4855.0
Observed Gravity: 9783983
Free-Air Anomaly: +3016