| ASCII |
American Standard Code for Information Interchange |
| cm |
centimeter |
| CORS96 |
Continuously Operating Reference Station 1996 |
| DGPS |
differential global positioning system |
| DOD |
U.S. Department of Defense |
| DSAS |
Digital Shoreline Analysis System |
| EPA |
U.S. Environmental Protection Agency |
| FGDC |
Federal Geographic Data Committee |
| FICG |
Fire Island Coast Guard Station |
| FIIS |
Fire Island National Seashore |
| GIS |
geographic information system |
| GPS |
global positioning system |
| HTDP |
Horizontal Time-Dependent Positioning |
| HTML |
Hypertext Markup Language |
| km |
kilometer |
| m |
meter |
| MB |
megabyte |
| MHW |
mean high water |
| NAD 83 |
North American Datum of 1983 |
| NAVD 88 |
North American Vertical Datum of 1988 |
| NGS |
National Geodetic Survey |
| NPS |
National Park Service |
| OPUS |
Online Positioning User Service |
| REST |
Robbins Rest |
| RMSE |
root mean square error |
| USGS |
U.S. Geological Survey |
U.S. Department of the Interior |
U.S. Geological Survey