Survey Identifier: RITS93A


Format Acronym: MGD77
Data Center File Number: 03020156
Parameters Surveyed Code: 50000
File Creation Date (yyyymmdd): 19
Source Institution: NATIONAL OCEAN SERVICE
Country: USA
Platform Name: SURVEYOR
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): CAPT. FREDERICK J. JONES
Survey Departure Date (yyyymmdd): 19921211
Port of Departure: PUNTA ARENAS, CHILE
Survey Arrival Date (yyyymmdd): 19930329
Port of Arrival: PAPEETE, TAHITI
Navigation Instrumentation: GPS
Geodetic Datum/Position: NONE
Bathymetry Instrumentation: SEABEAM (VERTICAL BEAM EXTRACTION)
Topmost Latitude of Survey: +29
Bottommost Latitude: -68
Leftmost Longitude: -117
Rightmost Longitude: -055
General Digitizing Rate of Bathymetry: 010
General Sampling Rate of Bathymetry: VAR W/ DEPTH
Interpolation Scheme: 1 MINUTE EXTRACTIONS CLOSEST TO THE MINUTE (VERTICAL BM)
Additional Documentation: COMPLETE META DATA FOUND IN HEADER FILES ACCOMPANYING FULL RESOLUTION DATA, LOCATION: NICARAGUAN COAST, SYSTEM SPECS: GENERAL INSTRUMENTS SEABEAM, 12 KHZ, 15 BEAMS, 5.1 METER DRAFT, ROLL_PITCH_SENSOR SINGER KEARFOTT C-704101026 S/N 285, HEADING_SENSOR SPERRY, MK 227 S/N 543, TIME_INSTRUMENTATION CAMAC CRATE INTERFACE CLOCK, NAVIGATION: HORIZONTAL_DATUM NAD83, VERTICAL_DATUM MLLW, DEPTHS CORRECTED USING SOUND VELOCITY PROFILE FROM CTD
Number of Data Records: 22726

Min/Max Data Record:
Date: 1992 12 11
Latitude: -67.98482
Longitude: -116.48783
Bathymetry, Corrected Depth: 48.0

Min/Max Data Record:
Date: 1993 03 29
Latitude: +28.06768
Longitude: -55.34902
Bathymetry, Corrected Depth: 6409.0