Survey Identifier: SILS01BT
Format Acronym: MGD77
Data Center File Number: 15180001
Parameters Surveyed Code: 55101
File Creation Date (yyyymmdd): 19811109
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V SILAS BENT(USNS)
Platform Type Code: 1
Platform Type: SHIP
Project: SILASBENT LEG 1
Survey Departure Date (yyyymmdd): 19691005
Port of Departure: YOKOHAMA,JAPAN
Survey Arrival Date (yyyymmdd): 19691023
Port of Arrival: YOKOHAMA,JAPAN
Navigation Instrumentation: CELESTIAL,MANUAL ENTRY GYRO SPEED
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Additional Forms of Bathymetric Data: PUNCHED CARDS
Additional Forms of Magnetics Data: PUNCHED CARDS
Topmost Latitude of Survey: +42
Bottommost Latitude: +31
Leftmost Longitude: +140
Rightmost Longitude: +156
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
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: 4652
Min/Max Data Record:
Date: 1969 10 05
Latitude: +31.37160
Longitude: +140.11450
Bathymetry, 2- Way Traveltime: 000500
Bathymetry, Corrected Depth: 38.0
Magnetics Total Field, 1st Sensor: 395150
Magnetics Residual Field: -05650
Min/Max Data Record:
Date: 1969 10 23
Latitude: +41.28830
Longitude: +155.72000
Bathymetry, 2- Way Traveltime: 099250
Bathymetry, Corrected Depth: 7573.0
Magnetics Total Field, 1st Sensor: 486900
Magnetics Residual Field: +06000