Survey Identifier: RNDB13WT
Format Acronym: MGD77
Data Center File Number: 15040185
Parameters Surveyed Code: 55331
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): TRANSIT LEG
Project: ROUNDABOUT LEG 13
Funding: NSF OCE86-16368
Survey Departure Date (yyyymmdd): 19890110
Port of Departure: MAJURO,MARSHALL IS.
Survey Arrival Date (yyyymmdd): 19890117
Port of Arrival: SUVA,FIJI
Navigation Instrumentation: GPS,SATNAV,AUTO LOG GYRO+2D DOPPLER SPD
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: SEABEAM VERTICAL BEAM (2&2/3 DEG)& 3.5
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: BELL BGM-3 METER
Additional Forms of Gravity Data: DIGITAL MAG TAPE
Seismic Instrumentation: NONE COLLECTED
Topmost Latitude of Survey: +08
Bottommost Latitude: -19
Leftmost Longitude: +171
Rightmost Longitude: -176
General Digitizing Rate of Bathymetry: 010
General Sampling Rate of Bathymetry: 1PING IN H2O
Assumed Sound Velocity: 15000
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: 9
Reference Field: IGRF-85
Method of Applying Residual Field: LIN. INTERP. POINTS WITHIN ONE DEGREE PLANE
General Digitizing Rate of Gravity: 010
General Sampling Rate of Gravity: 01
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: IAG SYSTEM 1967
Reference System Code: 3
Reference System: SYSTEM IGSN 71
Corrections Applied: EOTVOS AND METER DRIFT
Departure Base Station Gravity: 9783104
Departure Base Station Description: NE CORNER OF WALL E OF GIBSONS
Arrival Base Station Gravity: 9786093
Arrival Base Station Description: DOD 0352-1, SUVA, FIJI
Additional Documentation: PROCESSED BY GEOLOGICAL DATA CENTER, SCRIPPS INSTITUTION OF OCEANOGRAPHY, DEPTHS CORRECTED FOR 5 METER SHIP DRAFT. TRANSIT LEG - NO CHIEF SCIENTIST
Number of Data Records: 10306
Min/Max Data Record:
Date: 1989 01 09
Latitude: -18.27998
Longitude: -179.99821
Bathymetry, 2- Way Traveltime: 005333
Bathymetry, Corrected Depth: 404.0
Magnetics Total Field, 1st Sensor: 332850
Magnetics Residual Field: -06103
Min/Max Data Record:
Date: 1989 01 19
Latitude: +7.23262
Longitude: +179.99915
Bathymetry, 2- Way Traveltime: 083613
Bathymetry, Corrected Depth: 6339.0
Magnetics Total Field, 1st Sensor: 395600
Magnetics Residual Field: +05820