Survey Identifier: B00001


Format Acronym: MGD77
Data Center File Number: 03020042
Parameters Surveyed Code: 5
File Creation Date (yyyymmdd): 19920625
Source Institution: NATIONAL OCEAN SERVICE
Country: USA
Platform Name: Surveyor
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): CAPT W. L. BRADLEY
Survey Departure Date (yyyymmdd): 19840506
Port of Departure: SEATTLE, WA
Survey Arrival Date (yyyymmdd): 19840519
Port of Arrival: SEATTLE, WA
Navigation Instrumentation: RAYDIST
Bathymetry Instrumentation: SEABEAM (VERTICAL BEAM EXTRACTION)
Topmost Latitude of Survey: +41
Bottommost Latitude: +39
Leftmost Longitude: -125
Rightmost Longitude: -124
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: PUNTA GORDA, CA, SYSTEM SPECS: GENERAL INSTRUMENTS SEABEAM, 12 KHZ, 16 BEAMS, 5.1 METER DRAFT, ROLL_PITCH_SENSOR DATAWELL HIPPY 120, HEADING_SENSOR SPERRY MK 227, TIME_INSTRUMENTATION PDP-11 CPU, NAVIGATION: HORIZONTAL_DATUM NAD83, VERTICAL_DATUM MLLW, DEPTHS CORRECTED USING SOUND VELOCITY PROFILE FROM CTD (DATA SET NOT COMPLETE)
Number of Data Records: 7197

Min/Max Data Record:
Date: 1984 05 06
Latitude: +39.81355
Longitude: -124.82391
Bathymetry, Corrected Depth: 113.0

Min/Max Data Record:
Date: 1984 05 19
Latitude: +40.25723
Longitude: -124.13252
Bathymetry, Corrected Depth: 1422.0