NOS Survey H02049 - HYD93 Format Header

  Surv Id Format Ngdc Id   Params Create Date Source Institution Seq
4 H02049 HYD93 03951002   SF 20050203 National Ocean Survey, N.O.A.A. 01
Country Platform Name Plat Type Chief Hydrographer(s) Seq
U.S.A. Earnest 1SHIP J.N. Jordan 02
Project Type of Survey Strt Yr End Yr Scale of Survey Seq
    1890 1890 1:20,000 03
Area (General) of Survey Area (Specific) of Survey Seq
Gulf of Georgia Boundary Bay 04
Quality of Survey Description Processing Status Description Seq
    05
Position Determination Seq
  06
Code Horizontal Datum of Records Code Original Horizontal Datum Seq
NOS31 North American Datum 1983 NOSXX Undetermined horizontal datum 07
code Vertical Datum tide Original Sounding Units Seq
02 Mean Low Water   feet/fathoms 08
Sounding Method Seq
Lead Line assumed 09
c Sound Velocity Correction Seq
5 Non-acoustic depth measurement 10
Data Processing Methodology Seq
Smooth sheets digitized for N.O.S. by NGDC under 2001-2004 Contract 11
Format of Data Records Top Lat Bottom Lat Left Lon Right Lon Seq
SURV,LAT,LON,VAL,TYP,CCODE(A8,F9.6,F10.6,F6.1,I1,I3) +49.08 +48.85 -123.20 -122.75 12
Additional Documentation
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Note: You can find the comnplete HYD93 Format Specification, including all code descriptions, at www.ngdc.noaa.gov/mgg/dat/geodas/docs/hyd93.htm