NOS Survey H02604 - HYD93 Format Header

  Surv Id Format Ngdc Id   Params Create Date Source Institution Seq
4 H02604 HYD93 03881007   SF 20050302 National Ocean Survey, N.O.A.A. 01
Country Platform Name Plat Type Chief Hydrographer(s) Seq
U.S.A. Carlile P. Patterson 1SHIP J. F. Pratt 02
Project Type of Survey Strt Yr End Yr Scale of Survey Seq
    1900 1900 1:400,000 03
Area (General) of Survey Area (Specific) of Survey Seq
Alaska Norton Sound 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
      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) +66.13 +63.24 -169.12 -160.79 12
Additional Documentation
Seq
  13
  14
  15
  16
  17
  18
  19
  20
  21
  22
  23
  24

Note: You can find the comnplete HYD93 Format Specification, including all code descriptions, at www.ngdc.noaa.gov/mgg/dat/geodas/docs/hyd93.htm