Survey Identifier: MAGM01MV


Format Acronym: MGD77
Data Center File Number: 15020115
Parameters Surveyed Code: 55111
File Creation Date (yyyymmdd): 19830706
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V MELVILLE
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): ORCUTT J.
Project: MAGMA LEG 1 <NSF OCE80-24772>
Survey Departure Date (yyyymmdd): 19820618
Port of Departure: SAN DIEGO,CALIFORNIA
Survey Arrival Date (yyyymmdd): 19820721
Port of Arrival: SAN DIEGO,CALIFORNIA
Navigation Instrumentation: SATNAV,AUTO LOG GYRO+2D DOPPLER SPD LOG
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 12KHZ/RAYTHEON UGR RECORDER/WIDE BEAM
Additional Forms of Bathymetric Data: ANALOGUE RECORDS,PUNCHED CARDS
Magnetics Instrumentation: VARIAN MFD PROTON PRECESSION MOD 4970
Additional Forms of Magnetics Data: ???
Topmost Latitude of Survey: +33
Bottommost Latitude: +12
Leftmost Longitude: -118
Rightmost Longitude: -102
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: 050
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: 9426

Min/Max Data Record:
Date: 1982 06 18
Latitude: +12.37750
Longitude: -117.23991
Bathymetry, 2- Way Traveltime: 000125
Bathymetry, Corrected Depth: 9.0
Magnetics Total Field, 1st Sensor: 376360
Magnetics Residual Field: -06530

Min/Max Data Record:
Date: 1982 07 21
Latitude: +32.70530
Longitude: -102.60010
Bathymetry, 2- Way Traveltime: 063350
Bathymetry, Corrected Depth: 4763.0
Magnetics Total Field, 1st Sensor: 438310
Magnetics Residual Field: +15200