NOS Survey H09860 - HYD93 Format Header

  Surv Id Format Ngdc Id   Params Create Date Source Institution Seq
4 H09860 HYD93 03F11967   SF 19811113 National Ocean Survey, N.O.A.A. 01
Country Platform Name Plat Type Chief Hydrographer(s) Seq
U.S.A. Field/Shore Party 1SHIP T.W. RICHARDS 02
Project Type of Survey Strt Yr End Yr Scale of Survey Seq
OPR-G207 Basic Hydrographic survey 1979 1980 10000 03
Area (General) of Survey Area (Specific) of Survey Seq
INDIAN RIVER MAGNOLIA PT. TO CAPE COD 04
Quality of Survey Description Processing Status Description Seq
    05
Position Determination Seq
Electronic,range-range 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 (see comments)     08
Sounding Method Seq
Digital Echo Sounder w/ Graphical Record assumed 09
c Sound Velocity Correction Seq
1 Corrected for actual sound velocity 10
Data Processing Methodology Seq
Digital data processed at NOS Marine Center: HARRIS 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) +28.38 +28.23 -80.74 -80.66 12
Additional Documentation
Seq
VERTICAL DATUM: LOW WATER DATUM IS 0.5 FT. BELOW MEAN WATER LEVEL. 13
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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