Survey Identifier: SILS02BT
Format Acronym: MGD77
Data Center File Number: 15180002
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 2
Survey Departure Date (yyyymmdd): 19691029
Port of Departure: YOKOHAMA,JAPAN
Survey Arrival Date (yyyymmdd): 19691123
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: +35
Bottommost Latitude: +25
Leftmost Longitude: +139
Rightmost Longitude: +161
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: 6017
Min/Max Data Record:
Date: 1969 10 29
Latitude: +25.39490
Longitude: +139.68350
Bathymetry, 2- Way Traveltime: 000750
Bathymetry, Corrected Depth: 56.0
Magnetics Total Field, 1st Sensor: 370350
Magnetics Residual Field: -06600
Min/Max Data Record:
Date: 1969 11 23
Latitude: +34.74850
Longitude: +160.99330
Bathymetry, 2- Way Traveltime: 099750
Bathymetry, Corrected Depth: 7612.0
Magnetics Total Field, 1st Sensor: 456500
Magnetics Residual Field: +08950