Survey Identifier: AMLR92T
Format Acronym: MGD77
Data Center File Number: 03020150
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): 19911221
Port of Departure: VALPARAISO, CHILE
Survey Arrival Date (yyyymmdd): 19920414
Port of Arrival: SAN DIEGO, CA
Navigation Instrumentation: GPS
Geodetic Datum/Position: NONE
Bathymetry Instrumentation: SEABEAM (VERTICAL BEAM EXTRACTION)
Topmost Latitude of Survey: +32
Bottommost Latitude: -41
Leftmost Longitude: -117
Rightmost Longitude: -071
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: PACIFIC OCEAN (03020041 AND 03020150 ARE PART OF THE AMLR92 PROJECT), 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: 34492
Min/Max Data Record:
Date: 1991 12 21
Latitude: -40.45265
Longitude: -116.91444
Bathymetry, Corrected Depth: 114.0
Min/Max Data Record:
Date: 1992 04 14
Latitude: +31.02382
Longitude: -71.73748
Bathymetry, Corrected Depth: 6361.0