Survey Identifier: SILS03BT


Format Acronym: MGD77
Data Center File Number: 15180003
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 3
Survey Departure Date (yyyymmdd): 19691129
Port of Departure: YOKOHAMA,JAPAN
Survey Arrival Date (yyyymmdd): 19691221
Port of Arrival: NAGASAKI,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: +36
Bottommost Latitude: +21
Leftmost Longitude: +129
Rightmost Longitude: +147
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: 5415

Min/Max Data Record:
Date: 1969 11 29
Latitude: +21.11660
Longitude: +129.56770
Bathymetry, 2- Way Traveltime: 000500
Bathymetry, Corrected Depth: 38.0
Magnetics Total Field, 1st Sensor: 381950
Magnetics Residual Field: -09150

Min/Max Data Record:
Date: 1969 12 21
Latitude: +35.04500
Longitude: +146.59330
Bathymetry, 2- Way Traveltime: 099750
Bathymetry, Corrected Depth: 7612.0
Magnetics Total Field, 1st Sensor: 469800
Magnetics Residual Field: +05450