Survey Identifier: GAM2-1EB


Format Acronym: MGD77
Data Center File Number: 15030003
Parameters Surveyed Code: 55113
File Creation Date (yyyymmdd): 19811013
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V ELLEN B. SCRIPPS
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): LARSON R.
Project: GAM 2
Survey Departure Date (yyyymmdd): 19680206
Port of Departure: SAN DIEGO,CALIFORNIA
Survey Arrival Date (yyyymmdd): 19680226
Port of Arrival: SAN DIEGO,CALIFORNIA
Navigation Instrumentation: CELESTIAL,MANUAL ENTRY GYRO SPEED
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 12KHZ/GIFFT RECORDER/WIDE(60DEG)BEAM
Additional Forms of Bathymetric Data: ANALOGUE RECORDS,PUNCHED CARDS
Magnetics Instrumentation: VARIAN MFD PROTON PRECESSION MOD 4970
Additional Forms of Magnetics Data: ANAL.RECORDS,CARDS
Seismic Instrumentation: 40CU.IN.AIRGUN,10-300HZ,GIFFT RECORDER
Formats of Seismic Data: ANAL.RECORDS,35MM MICROFILM
Topmost Latitude of Survey: +33
Bottommost Latitude: +20
Leftmost Longitude: -118
Rightmost Longitude: -105
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 1SECONDSWEEP
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: 03
Reference Field: IGRF 1965
Method of Applying Residual Field: LIN.INTERP.AT 30DEG C/C OR 500MI ALONG TRACK
Number of Data Records: 5216

Min/Max Data Record:
Date: 1968 02 06
Latitude: +20.22630
Longitude: -117.34080
Bathymetry, 2- Way Traveltime: 000124
Bathymetry, Corrected Depth: 9.0
Magnetics Total Field, 1st Sensor: 434050
Magnetics Residual Field: -07100

Min/Max Data Record:
Date: 1968 02 26
Latitude: +32.60850
Longitude: -105.93390
Bathymetry, 2- Way Traveltime: 057200
Bathymetry, Corrected Depth: 4286.0
Magnetics Total Field, 1st Sensor: 496500
Magnetics Residual Field: +05800