Survey Identifier: PHNX01MV
Format Acronym: MGD77
Data Center File Number: 15020132
Parameters Surveyed Code: 55111
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): C.deMOUSTIER
Project: PHOENIX LEG 1
Funding: NSF/OCE91-02183
Survey Departure Date (yyyymmdd): 19920707
Port of Departure: SAN DIEGO,CALIFORNIA
Survey Arrival Date (yyyymmdd): 19920716
Port of Arrival: ACAPULCO, MEXICO
Navigation Instrumentation: GPS, TRIMBLE MOD. 4000AX
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: SEABEAM 2000 WITH SIDESCAN
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: DIGITAL MAG. TAPE,ANAL. REC,35MM FILM
Gravity Instrumentation: NONE COLLECTED
Seismic Instrumentation: NONE COLLECTED
Topmost Latitude of Survey: +33
Bottommost Latitude: +15
Leftmost Longitude: -119
Rightmost Longitude: -098
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: 88
Reference Field: IGRF-1990
Method of Applying Residual Field: LIN.INTERP.POINTS WITHIN ONE DEGREE SQUARE
Additional Documentation: PROCESSED BY GEOLOGICAL DATA CENTER, SCRIPPS INSTITUTION OF OCEANOGRAPHY, DEPTHS CORRECTED FOR 5 METER SHIP DRAFT. NAVIGATION: DR CSE/SPD BETWEEN 1 MINUTE INTERVAL GPS FIXES, GPS PRESENT 23+ HRS/DAY
Number of Data Records: 12518
Min/Max Data Record:
Date: 1992 07 07
Latitude: +15.79917
Longitude: -118.19716
Bathymetry, 2- Way Traveltime: 002947
Bathymetry, Corrected Depth: 223.0
Magnetics Total Field, 1st Sensor: 403500
Magnetics Residual Field: -06684
Min/Max Data Record:
Date: 1992 07 16
Latitude: +32.72200
Longitude: -98.73466
Bathymetry, 2- Way Traveltime: 071840
Bathymetry, Corrected Depth: 5419.0
Magnetics Total Field, 1st Sensor: 455250
Magnetics Residual Field: +04894