Survey Identifier: TRTL01LC
Format Acronym: MGD77
Data Center File Number: 15370002
Parameters Surveyed Code: 51111
File Creation Date (yyyymmdd): 19
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V LANEY CHOUSET
Platform Type Code: 1
Platform Type: SHIP
Project: TURTLE LEG 1
Survey Departure Date (yyyymmdd): 19891011
Port of Departure: SAN DIEGO, CALIFORNIA
Survey Arrival Date (yyyymmdd): 19891019
Port of Arrival: SAN DIEGO, CALIFORNIA
Navigation Instrumentation: GPS, SATELLITE
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: SEABEAM
Additional Forms of Bathymetric Data: MAGNETIC TAPE
Gravity Instrumentation: NONE
Topmost Latitude of Survey: +33
Bottommost Latitude: +32
Leftmost Longitude: -129
Rightmost Longitude: -119
General Digitizing Rate of Bathymetry: 010
General Sampling Rate of Bathymetry: 1PING IN H2O
Assumed Sound Velocity: 15000
Interpolation Scheme: 1 MINUTE AVERAGES EXTRACTED FROM SEABEAM VERTICAL BEAMS
Additional Documentation: IN 1991. GPS AND SATELLITE INFORMATION WAS CONVERTED INTO SIO FORMAT FILES, AND A SMOOTH NAVIGATION FILE PRODUCED BY ANDRA BOBBITT (SIO/MPL). THE CENTER BEAM DEPTHS WERE EXTRACTED FROM CENTER ALIGNED SEABEAM FILES
Number of Data Records: 7045
Min/Max Data Record:
Date: 1989 10 11
Latitude: +32.10211
Longitude: -128.40068
Bathymetry, 2- Way Traveltime: 006493
Bathymetry, Corrected Depth: 483.0
Min/Max Data Record:
Date: 1989 10 19
Latitude: +33.00800
Longitude: -119.98116
Bathymetry, 2- Way Traveltime: 063333
Bathymetry, Corrected Depth: 4752.0