Survey Identifier: REM-02MV
Format Acronym: MGD77
Data Center File Number: 15020141
Parameters Surveyed Code: 55031
File Creation Date (yyyymmdd): 19
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V MELVILLE
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): D. WEBB
Project: REM LEG 2
Funding: NSF OCE91-00522
Survey Departure Date (yyyymmdd): 19930907
Port of Departure: ASTORIA,WASHINGTON
Survey Arrival Date (yyyymmdd): 19931006
Port of Arrival: SAN DIEGO, CALIF.
Navigation Instrumentation: GPS TRIMBLE MOD. 4000AX
Geodetic Datum/Position: LINEAR INTERPOLATION BETWEEN FIXES
Bathymetry Instrumentation: SEABEAM 2000 w/ SIDESCAN
Additional Forms of Bathymetric Data: ANAL.REC,35MM FILM,DIGITAL TAPE
Magnetics Instrumentation: GEOMETRICS MAGNETOMETER MOD G-801/3
Additional Forms of Magnetics Data: DIGITAL TAPE, ANAL. REC.
Gravity Instrumentation: NONE COLLECTED
Seismic Instrumentation: AIR GUN
Topmost Latitude of Survey: +49
Bottommost Latitude: +32
Leftmost Longitude: -132
Rightmost Longitude: -117
General Digitizing Rate of Bathymetry: 010
General Sampling Rate of Bathymetry: 1PING IN H2O
Assumed Sound Velocity: 15000
Interpolation Scheme: 1 MINUTE VALUES EXTRACTED FROM SEABEAM VERTICAL BEAMS
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 06
Reference Field Code: 03
Reference Field: IGRF-1990
Method of Applying Residual Field: LIN.INTERP.POINTS WITHIN ONE DEGREE SQUARE
Additional Documentation: DEPTHS CORRECTED FOR 5 METER SHIP DRAFT. NAVIGATION: DR BETWEEN 1 MINUTE, INTERVAL GPS FIXES; GPS PRESENT 24 HOURS/DAY. POST PROCESSING BY (GEOLOGICAL, DATA CENTER) SIO. FOLLOWING INFO FROM MULTIBEAM BATHYMETRY: Heading Sensor, Sperry MK 23 Gyro; Vertical reference unit sensor Datawell Hippy Model 120; Navigation: Horizontal_Datum WGS84; Uncorrected meters, assumed SV 1500m/sec; Ship draft 5; Surface sound velocity sensor.
Number of Data Records: 38543
Min/Max Data Record:
Date: 1993 09 09
Latitude: +32.61850
Longitude: -131.25233
Bathymetry, 2- Way Traveltime: 001013
Bathymetry, Corrected Depth: 76.0
Magnetics Total Field, 1st Sensor: 506870
Magnetics Residual Field: -04610
Min/Max Data Record:
Date: 1993 10 06
Latitude: +48.74767
Longitude: -117.22467
Bathymetry, 2- Way Traveltime: 060280
Bathymetry, Corrected Depth: 4517.0
Magnetics Total Field, 1st Sensor: 519340
Magnetics Residual Field: +02603