Survey Identifier: JPYN04BD


Format Acronym: MGD77
Data Center File Number: 15060015
Parameters Surveyed Code: 55111
File Creation Date (yyyymmdd): 19790913
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V SPENCER F. BAIRD
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): NEEK H.
Project: JAPANYON LEG 4
Survey Departure Date (yyyymmdd): 19610801
Port of Departure: TOKYO
Survey Arrival Date (yyyymmdd): 19610818
Port of Arrival: HONOLULU
Navigation Instrumentation: CELESTIAL,MANUAL ENTRY GYRO SPEED
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 12KHZ/PDR RECORDER/WIDE(60DEG)BEAM
Additional Forms of Bathymetric Data: ANALOGUE RECORDS,PUNCHED CARDS
Magnetics Instrumentation: SCRIPPS MFD PROTON PRECESSION(VACQUIER)
Additional Forms of Magnetics Data: ANAL.RECORDS,CARDS
Topmost Latitude of Survey: +35
Bottommost Latitude: +21
Leftmost Longitude: +139
Rightmost Longitude: -158
General Digitizing Rate of Bathymetry: 030
General Sampling Rate of Bathymetry: 1SECONDSWEEP
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: 3 MINUTE INTERVAL
General Digitizing Rate of Magnetics: 060
General Sampling Rate of Magnetics: 15
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: 7029

Min/Max Data Record:
Date: 1961 08 01
Latitude: +21.25820
Longitude: -179.99540
Bathymetry, 2- Way Traveltime: 000924
Bathymetry, Corrected Depth: 69.0
Magnetics Total Field, 1st Sensor: 346850
Magnetics Residual Field: -05850

Min/Max Data Record:
Date: 1961 08 18
Latitude: +34.85640
Longitude: +179.99710
Bathymetry, 2- Way Traveltime: 099900
Bathymetry, Corrected Depth: 7624.0
Magnetics Total Field, 1st Sensor: 455250
Magnetics Residual Field: +04650