Survey Identifier: GUAY03WT
Format Acronym: MGD77
Data Center File Number: 15040089
Parameters Surveyed Code: 55333
File Creation Date (yyyymmdd): 19800703
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V THOMAS WASHINGTON
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): LAWVER L.
Project: GUAYMAS LEG 3 <NSF OCE78-01664>
Survey Departure Date (yyyymmdd): 19780308
Port of Departure: GUAYMAS,MEXICO
Survey Arrival Date (yyyymmdd): 19780318
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: 3.5-12KHZ/UGR,GIFFT RECORDERS/WIDEBEAM
Additional Forms of Bathymetric Data: ANAL.RECORDS,CARDS,35MMFILM
Magnetics Instrumentation: VARIAN MFD PROTON PRECESSION MOD 4970
Additional Forms of Magnetics Data: ANAL.RECORDS,CARDS,35MMFILM
Gravity Instrumentation: ASKANIA GSS2,ANSCHUTZ ELECT. GYRO TABLE
Additional Forms of Gravity Data: ANALOGUE RECORDS
Seismic Instrumentation: 20TO300CU.IN.AIRGUN,10-300HZ,EDO PSR REC
Formats of Seismic Data: ANAL.RECORDS,35MM MICROFILM
Topmost Latitude of Survey: +31
Bottommost Latitude: +22
Leftmost Longitude: -117
Rightmost Longitude: -108
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: 04
Reference Field: IGRF 1975
Method of Applying Residual Field: LIN. INTERP.POINTS WITHIN ONE DEGREE SQUARE
Number of Data Records: 2929
Min/Max Data Record:
Date: 1978 03 08
Latitude: +22.85520
Longitude: -116.49490
Bathymetry, 2- Way Traveltime: 000375
Bathymetry, Corrected Depth: 28.0
Magnetics Total Field, 1st Sensor: 440830
Magnetics Residual Field: -06330
Min/Max Data Record:
Date: 1978 03 18
Latitude: +30.68220
Longitude: -108.80110
Bathymetry, 2- Way Traveltime: 047700
Bathymetry, Corrected Depth: 3568.0
Magnetics Total Field, 1st Sensor: 480100
Magnetics Residual Field: +11100