Survey Identifier: PPTU02WT
Format Acronym: MGD77
Data Center File Number: 15040161
Parameters Surveyed Code: 55131
File Creation Date (yyyymmdd): 19
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V T.WASHINGTON
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): LONSDALE, P.
Project: PAPATUA LEG 2
Funding: NSF OCE83-17741
Survey Departure Date (yyyymmdd): 19851019
Port of Departure: MANZANILLO,MEXICO
Survey Arrival Date (yyyymmdd): 19851117
Port of Arrival: MANZANILLO,MEXICO
Navigation Instrumentation: SATNAV,GPS,AUTO LOG GYRO+2D DOPPLER SPD
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: SEABEAM VERT.BEAM(2&2/3DEG)&3.5KHZ EPC
Additional Forms of Bathymetric Data: ANAL.REC,35MM FILM,DIGITAL MAG. TAPE
Magnetics Instrumentation: GEOMETRICS MAGNETOMETER MOD G-801/3
Additional Forms of Magnetics Data: ANAL.REC,DIGITAL MAG. TAPE
Gravity Instrumentation: NONE COLLECTED
Seismic Instrumentation: NONE COLLECTED
Formats of Seismic Data: NONE COLLECTED
Topmost Latitude of Survey: +27
Bottommost Latitude: -03
Leftmost Longitude: -124
Rightmost Longitude: -100
General Digitizing Rate of Bathymetry: 010
General Sampling Rate of Bathymetry: 1PING IN H20
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: 1 MINUTE AVERAGES EXTRACTED FROM SEABEAM VERTICAL BEAMS
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 06
Reference Field Code: 03
Reference Field: IGRF 1980
Method of Applying Residual Field: LIN.INTERP.POINTS WITHIN ONE DEGREE SQUARE
Additional Documentation: DEPTHS CORRECTED FOR 5 M SHIP DRAFT, PROCESSED BY GEOLOGICAL DATA CENTER, SCRIPPS INSTITUTION OF OCEANOGRAPHY
Number of Data Records: 41279
Min/Max Data Record:
Date: 1985 10 19
Latitude: -2.92586
Longitude: -123.46425
Bathymetry, 2- Way Traveltime: 001120
Bathymetry, Corrected Depth: 84.0
Magnetics Total Field, 1st Sensor: 308930
Magnetics Residual Field: -09166
Min/Max Data Record:
Date: 1985 11 17
Latitude: +26.26880
Longitude: -100.78447
Bathymetry, 2- Way Traveltime: 074306
Bathymetry, Corrected Depth: 5610.0
Magnetics Total Field, 1st Sensor: 438900
Magnetics Residual Field: +09199