Survey Identifier: CRGN06WT
Format Acronym: MGD77
Data Center File Number: 15040177
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): D.E.HAMMOND,W.M. BERELSON (USC)
Project: CROSSGRAIN LEG 6
Funding: NSF
Survey Departure Date (yyyymmdd): 19870618
Port of Departure: HONOLULU,HAWAII
Survey Arrival Date (yyyymmdd): 19870626
Port of Arrival: HILO,HAWAII
Navigation Instrumentation: SATNAV/GPS,AUTO LOG GYRO+2D DOPPLER SPD
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 3.5&12KHZ 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,35MM FILM,DIGITAL MAG. TAPE
Gravity Instrumentation: NONE COLLECTED
Seismic Instrumentation: NONE COLLECTED
Topmost Latitude of Survey: +22
Bottommost Latitude: +15
Leftmost Longitude: -158
Rightmost Longitude: -151
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 1SECONDSWEEP
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: 5 MINUTE INTERVAL
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 06
Reference Field Code: 03
Reference Field: IGRF-1985
Method of Applying Residual Field: LIN.INTERP.POINTS WITHIN ONE DEGREE SQUARE
Additional Documentation: REPLACES MGD77 FILE SENT TO NGDC PREVIOUSLY WITH DEPTH ONLY. PROCESSED BY GEOLOGICAL DATA CENTER, SCRIPPS INSTITUTION OF OCEANOGRAPHY
Number of Data Records: 4778
Min/Max Data Record:
Date: 1987 06 18
Latitude: +15.15030
Longitude: -157.86833
Bathymetry, 2- Way Traveltime: 007133
Bathymetry, Corrected Depth: 539.0
Magnetics Total Field, 1st Sensor: 342440
Magnetics Residual Field: -12301
Min/Max Data Record:
Date: 1987 06 26
Latitude: +21.29983
Longitude: -151.41415
Bathymetry, 2- Way Traveltime: 076267
Bathymetry, Corrected Depth: 5762.0
Magnetics Total Field, 1st Sensor: 360690
Magnetics Residual Field: +06230