Survey Identifier: MW8706
Format Acronym: MGD77
Data Center File Number: 08020039
Parameters Surveyed Code: 55511
File Creation Date (yyyymmdd): 19901105
Source Institution: HAWAII INSTITUTE OF GEOPHYSICS/UCSB/URI
Country: U.S.A.
Platform Name: R/V MOANA WAVE
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): KEN MACDONALD/JEFF FOX
Project: MW8706. EPR OVERLAPPING SPREADING CENTERS.
Funding: ONR
Survey Departure Date (yyyymmdd): 19870509
Port of Departure: MANZANILLO,MEXICO
Survey Arrival Date (yyyymmdd): 19870603
Port of Arrival: MANZANILLO,MEXICO
Navigation Instrumentation: GPS,SATNAV
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: GEOMETRICS G 801-3
Additional Forms of Magnetics Data: ANALOG, DIGITAL
Gravity Instrumentation: LACOSTE ROMBERG S-33
Additional Forms of Gravity Data: ANALOG, DIGITAL
Topmost Latitude of Survey: +20
Bottommost Latitude: +08
Leftmost Longitude: -106
Rightmost Longitude: -102
General Digitizing Rate of Bathymetry: 015
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: 88
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: 9789237
Departure Base Station Description: HONOLULU PIER 45
Arrival Base Station Gravity: 9799755
Arrival Base Station Description: MELBOURNE,AUSTRALIA
Additional Documentation: DATA TAKEN ON BOARD: BMG. SEAMARC II SIDESCAN. XBT's, WEATHER OBS. NO STATIONS. (-105.69,-102.56,8.36,19.08).
Number of Data Records: 60463
Min/Max Data Record:
Date: 1987 05 09
Latitude: +8.36448
Longitude: -105.68678
Bathymetry, 2- Way Traveltime: 000300
Bathymetry, Corrected Depth: 22.0
Magnetics Total Field, 1st Sensor: 352190
Magnetics Residual Field: -08632
Observed Gravity: 9781170
Free-Air Anomaly: -1143
Min/Max Data Record:
Date: 1987 06 03
Latitude: +19.07942
Longitude: -102.56412
Bathymetry, 2- Way Traveltime: 067130
Bathymetry, Corrected Depth: 5055.0
Magnetics Total Field, 1st Sensor: 420910
Magnetics Residual Field: +13235
Observed Gravity: 9785997
Free-Air Anomaly: +0404