| Surv Id | Format | Ngdc Id | Params | Create Date | Source Institution | Seq | ||
| 4 | H02634 | HYD93 | PA991039 | S | 19 | National Ocean Survey, N.O.A.A. | 01 |
| Country | Platform Name | Plat Type | Chief Hydrographer(s) | Seq |
| U.S.A. | Unknown Ship | 1SHIP | R.L. FARIS | 02 |
| Project | Type of Survey | Strt Yr | End Yr | Scale of Survey | Seq |
| 1903 | 1903 | 20,000 | 03 |
| Area (General) of Survey | Area (Specific) of Survey | Seq |
| VIEQUES SOUND | EASTERN SHEET | 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 | MGGPR | Early Puerto Rico Island Datums | 07 |
| code | Vertical Datum | tide | Original Sounding Units | Seq |
| 02 | Mean Low Water | meters | 08 |
| Sounding Method | Seq |
| Lead Line assumed | 09 |
| c | Sound Velocity Correction | Seq |
| 5 | Non-acoustic depth measurement | 10 |
| Data Processing Methodology | Seq |
| 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) | +18.39 | +18.29 | -65.55 | -65.36 | 12 |
Additional Documentation |
Seq |
| The original digitized data was corrected (y=y-0.00045) when compared with | 13 |
| USGS shoreline. NOS smooth sheet was only digitized above (north) line, whose | 14 |
| endpoints are (-65.32', -18.21') and (-65.23', -18.18'). | 15 |
| 16 | |
| Soundings digitized by: Aurelio Mercado Irizarry, Associate Professor, | 17 |
| Department of Marine Sciences - University of Puerto Rico | 18 |
| Hydrographic features have not been digitized. | 19 |
| Digital data for this survey have not been quality assured by NOAA. | 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