Survey Identifier: RP11SU81
Format Acronym: MGD77
Data Center File Number: 03020147
Parameters Surveyed Code: 50000
File Creation Date (yyyymmdd): 19960703
Source Institution: Oceanic and Atmospheric Research
Country: US
Platform Name: R/V Surveyor
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): Hammond and Malahoff
Project: RAFTE1 Legs 1 and 2
Survey Departure Date (yyyymmdd): 19810429
Survey Arrival Date (yyyymmdd): 19810601
Navigation Instrumentation: Loran
Bathymetry Instrumentation: SeaBeam (Vertical Beam Extraction)
Topmost Latitude of Survey: +49
Bottommost Latitude: +41
Leftmost Longitude: -131
Rightmost Longitude: -126
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: All Loran-C data was shifted to correlate with transit satellite fixes, collected to force the positions to near-geodetic. More shifts followed.
Number of Data Records: 26268
Min/Max Data Record:
Date: 1981 04 29
Latitude: +41.41789
Longitude: -130.87321
Bathymetry, 2- Way Traveltime: 018880
Bathymetry, Corrected Depth: 1395.0
Min/Max Data Record:
Date: 1981 06 01
Latitude: +48.02611
Longitude: -126.60888
Bathymetry, 2- Way Traveltime: 062507
Bathymetry, Corrected Depth: 4689.0