This page links you to our GPS receiver files in Providence on Capitol Hill. You may download these the files from the survey homepage. If you don't have software to handle these files, you can get PC Software from
NGS at NOAA or from the NGS link on the right. These are all free programs.
The following is information about our CORS
| Latitude: | 41 49 55.86430 North |
| Longitude: | 071 24 52.49217 West |
| Datum: | NAD 1983 (1996) |
| Ellip Height: | 11.98 meters |
| Geoid Height: | -29.46 meters |
| Elevation Mask: | 10¡ |
| Logging Interval: | 5 Seconds/15 Seconds |
| Logging Time: | 24 hours |
| Days Enabled: | 7 Days a Week |
| File Transfer Time: | Hourly |
| File Duration: | 1 Hour |
| Compressed Format | Zip |
| Trimble SSF | SSF |
| Trimble DAT | DAT |
| RINEX | DAT |
| On-line Access Period | 90 Days |
Other CORS Stations
Here are The GPS Community Base Stations on the Internet. Just click a red dot on a US map and you have direct access to over 50 GPS base stations, Internet ready!
GPS LINKS TO TUTORIALS
GPS is a complex technology but understanding it can be quite easy if you take it one step at a time. We have provided you with several tutorial links which are designed to give you a good basic understanding of the principles behind GPS.
All of these files are free for your use, but please read our disclaimer
before you use them.
Questions or comments about the CORS project:
Contact Person:
Kathy Cheteyan -- Manager of Survey Operations, Survey Section
Address:
R.I.D.O.T. 90 Calverly Street, Providence R.I. 02908
