Survey Identifier: TPTW-1WT
Format Acronym: MGD77
Data Center File Number: 15040063
Parameters Surveyed Code: 05113
File Creation Date (yyyymmdd): 19811013
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V THOMAS WASHINGTON
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): SPIESS F.
Project: TIPTOW LEG 1
Survey Departure Date (yyyymmdd): 19680503
Port of Departure: SAN DIEGO,CALIFORNIA
Survey Arrival Date (yyyymmdd): 19680525
Port of Arrival: SAN DIEGO,CALIFORNIA
Navigation Instrumentation: CELESTIAL AND LORAN
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Magnetics Instrumentation: VARIAN MFD PROTON PRECESSION MOD 4970
Additional Forms of Magnetics Data: PUNCHED CARDS
Seismic Instrumentation: 40CU.IN.AIRGUN,10-300HZ,GIFFT RECORDER
Formats of Seismic Data: 35MM MICROFILM
Topmost Latitude of Survey: +29
Bottommost Latitude: +22
Leftmost Longitude: -116
Rightmost Longitude: -109
Assumed Sound Velocity: 00000
Bathymetric Datum Code: 00
General Digitizing Rate of Magnetics: 41
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: 471
Min/Max Data Record:
Date: 1968 05 05
Latitude: +22.49980
Longitude: -115.60640
Magnetics Total Field, 1st Sensor: 443850
Magnetics Residual Field: -07750
Min/Max Data Record:
Date: 1968 05 07
Latitude: +28.62680
Longitude: -109.68390
Magnetics Total Field, 1st Sensor: 476000
Magnetics Residual Field: +06950