Survey Identifier: GAM--1EB
Format Acronym: MGD77
Data Center File Number: 15030002
Parameters Surveyed Code: 55111
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): SMITH S.M.
Project: GAM 1
Survey Departure Date (yyyymmdd): 19671101
Port of Departure: SAN DIEGO,CALIFORNIA
Survey Arrival Date (yyyymmdd): 19671122
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
Topmost Latitude of Survey: +33
Bottommost Latitude: +20
Leftmost Longitude: -124
Rightmost Longitude: -107
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: 5872
Min/Max Data Record:
Date: 1967 11 01
Latitude: +20.45600
Longitude: -123.76050
Bathymetry, 2- Way Traveltime: 000250
Bathymetry, Corrected Depth: 19.0
Magnetics Total Field, 1st Sensor: 418300
Magnetics Residual Field: -06750
Min/Max Data Record:
Date: 1967 11 22
Latitude: +32.65960
Longitude: -107.99780
Bathymetry, 2- Way Traveltime: 060400
Bathymetry, Corrected Depth: 4532.0
Magnetics Total Field, 1st Sensor: 497950
Magnetics Residual Field: +04950