GEOID09 will compute geoid heights for the following areas:
Area | Ellipsoid Reference Frame | Vertical Datum | Latitude | Longitude | ||
Min | Max | Min | Max | |||
Conterminous US | NAD83 (NSRS 2007) | NAVD88 | 24N | 58N | 60W | 130W |
Alaska | NAD83 (CORS96) | NAVD88 | 49N | 72N | 126W | 188W |
Hawaii | NAD83 (PACP00) | LOCAL TIDAL | 18N | 24N | 154W | 161W |
Guam and Northern Mariana Islands | NAD83 (MARP00) | NMVD03 | 11N | 18N | 143E | 146E |
American Samoa | NAD83 (PACP00) | ASVD02 | 17S | 11S | 168W | 174W |
Puerto Rico/Virgin Islands | NAD83 (CORS96) | PRVD02 and VIVD09 | 15N | 21N | 64W | 69W |
Degrees, minutes, and decimal seconds
Latitude Example: 35 55 19.0221 Longitude Example: 097 55 40.2351 |
Degrees, minutes, and decimal seconds
Latitude Example: 35 55 19.022 Longitude Example: 097 55 40.235 |
Latitude Example: 35 55 19.02 Longitude Example: 097 55 40.23 |
Latitude Example: 35 55 19.0 Longitude Example: 097 55 40.2 |
Latitude Example: -13 49 50.03964    | Longitude Example: 171 45 20.01753 (West) |
Send e-mail to NGS Geoid Team or call
(301) 713-3202.