| Surv Id | Format | Ngdc Id | Params | Create Date | Source Institution | Seq | ||
| 4 | H11325 | HYD93 | 03MC1246 | S | 20070315 | NATIONAL OCEAN SURVEY, N.O.A.A | 01 |
| Country | Platform Name | Plat Type | Chief Hydrographer(s) | Seq |
| U.S.A. | Unknown Ship | 1 SHIP | 02 |
| Project | Type of Survey | Strt Yr | End Yr | Scale of Survey | Seq |
| OPR-P182-RA-04 | 2004 | 2004 | 40,000 | 03 |
| Area (General) of Survey | Area (Specific) of Survey | Seq |
| ALASKAN PENINSULA | VICINITY OF LIGHT HOUSE ROCKS | 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 of 1983 | NOS31 | North American Datum of 1983 | 07 |
| code | Vertical Datum | tide | Original Sounding Units | Seq |
| 04 | Mean Lower Low Water | Unkown | 08 |
| Sounding Method | Seq |
| 09 |
| c | Sound Velocity Correction | Seq |
| 0 | Undetermined | 10 |
| Data Processing Methodology | Seq |
| SURVEY CONVERTED FROM SMOOTH SHEET SOURCE USING FME 2006 BY CGTP | 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) | +55.93 | +55.63 | -158.11 | -157.69 | 12 |
Additional Documentation |
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| 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