Survey Identifier: FOCI95


Format Acronym: MGD77
Data Center File Number: 03020175
Parameters Surveyed Code: 50000
File Creation Date (yyyymmdd): 19970902
Source Institution: National Ocean Service
Country: US
Platform Name: R/V Surveyor
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): Captain Michael A. Mccallister
Project: SU-95-03
Survey Departure Date (yyyymmdd): 19950818
Port of Departure: Seattle, Washington
Survey Arrival Date (yyyymmdd): 19950824
Port of Arrival: Seattle, Washington
Navigation Instrumentation: GPS
Bathymetry Instrumentation: SeaBeam (Vertical Beam Extraction)
Topmost Latitude of Survey: +56
Bottommost Latitude: +50
Leftmost Longitude: -174
Rightmost Longitude: -138
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: Gulf of Alaska, 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: 4362

Min/Max Data Record:
Date: 1995 08 18
Latitude: +50.74611
Longitude: -173.44670
Bathymetry, Corrected Depth: 100.0

Min/Max Data Record:
Date: 1995 08 24
Latitude: +55.17364
Longitude: -138.27036
Bathymetry, Corrected Depth: 7187.0