NOS Survey H03819A - HYD93 Format Header

  Surv Id Format Ngdc Id   Params Create Date Source Institution Seq
4 H03819A HYD93 03851026   SF 20050713 National Ocean Survey, N.O.A.A. 01
Country Platform Name Plat Type Chief Hydrographer(s) Seq
U.S.A. Gedney 1SHIP F.H. Hardy 02
Project Type of Survey Strt Yr End Yr Scale of Survey Seq
??   1916 1916 1:120,000 03
Area (General) of Survey Area (Specific) of Survey Seq
West Coast of Dall I. (off shore) 04
Quality of Survey Description Processing Status Description Seq
    05
Position Determination Seq
  06
Code Horizontal Datum of Records Code Original Horizontal Datum Seq
NOSXX Undetermined horizontal datum NOSXX Undetermined horizontal datum 07
code Vertical Datum tide Original Sounding Units Seq
04 Mean Lower Low Water   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) +55.20 +54.60 -134.36 -132.63 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