Survey Identifier: RP15DI86


Format Acronym: MGD77
Data Center File Number: 03030035
Parameters Surveyed Code: 50000
File Creation Date (yyyymmdd): 19960703
Source Institution: Oceanic and Atmospheric Research
Country: US
Platform Name: R/V Discoverer
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): Hammond/Embley/Fox
Project: VENTS
Survey Departure Date (yyyymmdd): 19860515
Survey Arrival Date (yyyymmdd): 19860722
Navigation Instrumentation: Loran
Bathymetry Instrumentation: SeaBeam (Vertical Beam Extraction)
Topmost Latitude of Survey: +47
Bottommost Latitude: +40
Leftmost Longitude: -130
Rightmost Longitude: -127
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: Loran data was shifted to correlate with transit satellite fixes, collected during the cruise to force the positions to near-geodetic. More shifts followed.
Number of Data Records: 3469

Min/Max Data Record:
Date: 1986 05 15
Latitude: +40.57258
Longitude: -129.73924
Bathymetry, 2- Way Traveltime: 020480
Bathymetry, Corrected Depth: 1518.0

Min/Max Data Record:
Date: 1986 07 22
Latitude: +46.45122
Longitude: -127.27333
Bathymetry, 2- Way Traveltime: 045213
Bathymetry, Corrected Depth: 3371.0