Survey Identifier: AMLR90T
Format Acronym: MGD77
Data Center File Number: 03020151
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. W. T. TURNBULL
Survey Departure Date (yyyymmdd): 19891209
Port of Departure: IQUIQUE, CHILE
Survey Arrival Date (yyyymmdd): 19900408
Port of Arrival: SAN DIEGO, CA
Navigation Instrumentation: GPS
Geodetic Datum/Position: NONE
Bathymetry Instrumentation: SEABEAM (VERTICAL BEAM EXTRACTION)
Topmost Latitude of Survey: +27
Bottommost Latitude: -41
Leftmost Longitude: -128
Rightmost Longitude: -070
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 (03020048 AND 03020151 ARE PART OF THE AMLR90 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: 28865
Min/Max Data Record:
Date: 1989 12 09
Latitude: -40.18880
Longitude: -127.98452
Bathymetry, Corrected Depth: 209.0
Min/Max Data Record:
Date: 1990 04 08
Latitude: +26.57248
Longitude: -70.25601
Bathymetry, Corrected Depth: 7886.0