NOS Survey F00356 - HYD93 Format Header

  Surv Id Format Ngdc Id   Params Create Date Source Institution Seq
4 F00356 HYD93 03091146   SF 19940228 National Ocean Survey, N.O.A.A. 01
Country Platform Name Plat Type Chief Hydrographer(s) Seq
U.S.A. Mt. Mitchell 1SHIP D.B. MACFARLAND 02
Project Type of Survey Strt Yr End Yr Scale of Survey Seq
OPR-K904 Side scan sonar survey 1993 1993 10000 03
Area (General) of Survey Area (Specific) of Survey Seq
GULF OF MEXICO 5 NM SOUTH OF SOUTHWEST PASS 04
Quality of Survey Description Processing Status Description Seq
    05
Position Determination Seq
NAVSTAR GPS 06
Code Horizontal Datum of Records Code Original Horizontal Datum Seq
NOS31 North American Datum of 1983 NOS31 North American Datum of 1983 07
code Vertical Datum tide Original Sounding Units Seq
04 Mean Lower Low Water .36 meters 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) +28.84 +28.81 -89.48 -89.40 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