Survey Identifier: MW9304
Format Acronym: MGD77
Data Center File Number: 08020085
Parameters Surveyed Code: 55513
File Creation Date (yyyymmdd): 19960823
Source Institution: SOEST/UNIVERSITY OF HAWAII
Country: U.S.A.
Platform Name: R/V MOANA WAVE
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): BRIAN TAYLOR
Project: MW9304. WOODLARK BASIN, HMR1.
Funding: NSF
Survey Departure Date (yyyymmdd): 19930421
Port of Departure: LAE, PAPUA NEW GUINEA
Survey Arrival Date (yyyymmdd): 19930527
Port of Arrival: NAVY BASE, APRA HARBOR, GUAM
Navigation Instrumentation: GPS,TRANSIT SAT
Geodetic Datum/Position: PRIM=GPS, SEC=TRANSIT SAT
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: 120, 300 CU-IN AIRGUN, <125 HZ.
Formats of Seismic Data: ANALOG, DIGITAL, MICROFILM
Topmost Latitude of Survey: +14
Bottommost Latitude: -12
Leftmost Longitude: +144
Rightmost Longitude: +155
General Digitizing Rate of Bathymetry: 011
General Sampling Rate of Bathymetry: 1/SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NONE(PICKED PEAKS/TROUGHS OR 05 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: 88
Reference Field: IGRF-1990
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: 9779948
Departure Base Station Description: LAE, OLD AIRPORT
Arrival Base Station Gravity: 9785267
Arrival Base Station Description: GUAM NAVAL BASE, V-6*
Additional Documentation: DATA TAKEN ON BOARD: BMG. HMRG. SIDESCAN AND BATHY DATA, ADCP, WIND, AND, DIGITAL SEISMICS W/ANALOG RECORDS. 6 STA.= 3 RD, 4 PC. BATHY FROM JDY 117-141 TAKEN FROM HMRG BATHY (STILL 1500M/SEC TRAVEL TIME), *GRAVIMETER DIED 9 HRS BEFORE REACHING PORT IN GUAM; NO FINAL STILL READING -, GRAV DATA COMPARED WITH OTHER DATA TO CHECK QUALITY. STILL READING IN LAE: 6019.4.
Number of Data Records: 326477
Min/Max Data Record:
Date: 1993 04 21
Latitude: -11.23502
Longitude: +144.58648
Bathymetry, 2- Way Traveltime: 000470
Bathymetry, Corrected Depth: 35.0
Magnetics Total Field, 1st Sensor: 361390
Magnetics Residual Field: -07530
Observed Gravity: 9777106
Free-Air Anomaly: -4054
Seismic Line Number: 1
Seismic Shot-Point Number: 000001
Min/Max Data Record:
Date: 1993 05 27
Latitude: +13.45415
Longitude: +154.71832
Bathymetry, 2- Way Traveltime: 136050
Bathymetry, Corrected Depth: 10552.0
Magnetics Total Field, 1st Sensor: 436730
Magnetics Residual Field: +08613
Observed Gravity: 9783459
Free-Air Anomaly: +1832
Seismic Line Number: 999
Seismic Shot-Point Number: 007843