NOS Survey H05911 - HYD93 Format Header

  Surv Id Format Ngdc Id   Params Create Date Source Institution Seq
4 H05911 HYD93 03641058   SF 19791231 National Ocean Survey, N.O.A.A. 01
Country Platform Name Plat Type Chief Hydrographer(s) Seq
U.S.A. Mikawe 1SHIP F.R. GOSSET 02
Project Type of Survey Strt Yr End Yr Scale of Survey Seq
    1935 1935 10,000 03
Area (General) of Survey Area (Specific) of Survey Seq
NEUSE RIVER PIERCE CREEK TO DAWSON CREEK 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 NOS06 North American Datum 1927 07
code Vertical Datum tide Original Sounding Units Seq
16 Local Low Water   feet 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. under Ashville 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) +35.06 +34.97 -76.80 -76.65 12
Additional Documentation
Seq
Vertical datum note: The plane of reference was taken half a foot below mean 13
water level. 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