Survey Identifier: PROT01MV
Format Acronym: MGD77
Data Center File Number: 15020087
Parameters Surveyed Code: 55131
File Creation Date (yyyymmdd): 19840624
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V MELVILLE
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): MACDONALD K.
Project: PROTEA LEG 1 <NSF OCE80-24472>
Survey Departure Date (yyyymmdd): 19830907
Port of Departure: SAN DIEGO,CALIFORNIA
Survey Arrival Date (yyyymmdd): 19831015
Port of Arrival: EASTER ISLAND
Navigation Instrumentation: SATNAV,AUTO LOG GYRO+2D DOPPLER SPD LOG
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 3.5-12KHZ/EDO 550A RECORDERS/WIDE BEAM
Additional Forms of Bathymetric Data: ANAL.RECORDS,CARDS,35MMFILM
Magnetics Instrumentation: VARIAN MFD PROTON PRECESSION MOD 4970
Additional Forms of Magnetics Data: ANAL.RECORDS,CARDS
Topmost Latitude of Survey: +32
Bottommost Latitude: -28
Leftmost Longitude: -117
Rightmost Longitude: -104
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 2SECONDSWEEP
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: 5 MINUTE INTERVAL
General Digitizing Rate of Magnetics: 46
General Sampling Rate of Magnetics: 06
Reference Field Code: 80
Reference Field: IGRF 1980
Method of Applying Residual Field: LIN. INTERP.POINTS WITHIN ONE DEGREE SQUARE
Number of Data Records: 10797
Min/Max Data Record:
Date: 1983 09 07
Latitude: -27.14480
Longitude: -116.87140
Bathymetry, 2- Way Traveltime: 022275
Bathymetry, Corrected Depth: 1661.0
Magnetics Total Field, 1st Sensor: 303020
Magnetics Residual Field: -03490
Min/Max Data Record:
Date: 1983 10 15
Latitude: +31.54940
Longitude: -104.12401
Bathymetry, 2- Way Traveltime: 060000
Bathymetry, Corrected Depth: 4506.0
Magnetics Total Field, 1st Sensor: 402920
Magnetics Residual Field: +11670