Survey Identifier: IGUA02EB
Format Acronym: MGD77
Data Center File Number: 15030007
Parameters Surveyed Code: 55113
File Creation Date (yyyymmdd): 19801001
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): SHOR G.
Project: IGUANA LEG 2
Survey Departure Date (yyyymmdd): 19720409
Port of Departure: ACAPULCO,MEXICO
Survey Arrival Date (yyyymmdd): 19720417
Port of Arrival: GUAYQUIL,ECUADOR
Navigation Instrumentation: SATNAV,MANUAL ENTRY GYRO AND SPD CHANGES
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,PDR MK 10 REC.
Formats of Seismic Data: ANAL.RECORDS,35MM MICROFILM
Topmost Latitude of Survey: +17
Bottommost Latitude: -03
Leftmost Longitude: -100
Rightmost Longitude: -080
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: 2397
Min/Max Data Record:
Date: 1972 04 09
Latitude: -2.63900
Longitude: -99.88830
Bathymetry, 2- Way Traveltime: 000274
Bathymetry, Corrected Depth: 21.0
Magnetics Total Field, 1st Sensor: 314300
Magnetics Residual Field: -07150
Min/Max Data Record:
Date: 1972 04 17
Latitude: +16.80990
Longitude: -80.61250
Bathymetry, 2- Way Traveltime: 071874
Bathymetry, Corrected Depth: 5422.0
Magnetics Total Field, 1st Sensor: 418650
Magnetics Residual Field: +03000