Survey Identifier: CRGN07WT
Format Acronym: MGD77
Data Center File Number: 15040178
Parameters Surveyed Code: 55111
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 7
Funding: NSF OCE87-02835
Survey Departure Date (yyyymmdd): 19870630
Port of Departure: HILO,HAWAII
Survey Arrival Date (yyyymmdd): 19870805
Port of Arrival: SAN DIEGO, CALIFORNIA
Navigation Instrumentation: SATNAV/GPS,AUTO LOG GYRO+2D DOPPLER SPD
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 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: +34
Bottommost Latitude: +00
Leftmost Longitude: -156
Rightmost Longitude: -117
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
Number of Data Records: 24906
Min/Max Data Record:
Date: 1987 06 30
Latitude: +0.96614
Longitude: -155.06769
Bathymetry, 2- Way Traveltime: 018600
Bathymetry, Corrected Depth: 1378.0
Magnetics Total Field, 1st Sensor: 321280
Magnetics Residual Field: -03915
Min/Max Data Record:
Date: 1987 08 05
Latitude: +33.72167
Longitude: -117.47533
Bathymetry, 2- Way Traveltime: 082800
Bathymetry, Corrected Depth: 6272.0
Magnetics Total Field, 1st Sensor: 483030
Magnetics Residual Field: +02531