List of NTRIP casters and RTK service providers active in North America:
Want to learn more about the difference between paid and free services? check out this short explanation.
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| Country | Provider | Service name | Price | Description | Website |
|---|---|---|---|---|---|
| Global | International GNSS service | IGS | Free | link | |
| Global | RTK2GO | Community | Free | link | |
| Global | UNAVCO | Free | link | ||
| Global | ONOCOY | ONOCOY (beta) | Free? | blockchain | link |
| Global | RTK Direct | RTK Direct | Free? | blockchain | link |
| Global | GEODNET | GEODNET | Paid | Blockchain | link |
| Global | Hexagon (Novatel) | SmartNet | Paid | link | |
| Global | Trimble | VRSnow | Paid | link | |
| Global | Topcon | TopNet | Paid | link | |
| Global | Premium Positioning | RTK Premium | Paid | link | |
| Canada | Rx Networks | Location.io | Paid | link | |
| United States | National Geodetic Service | – | link | ||
| United States | Point One Nav | Polaris | Paid | link | |
| Arizona | Spider Business center | Free | link | ||
| California | SOPAC | Free | link | ||
| Berkeley | Bard | Free | link | ||
| Colorado | Mesa County | Free | link | ||
| Indiana | Indiana DoT | Free | link | ||
| Kentucky | KTC | Free | link | ||
| Massachusets | MASSCORS | Free | link | ||
| Michigan | MDOT | Free | link | ||
| Minnesota | MnCORS | Free | link | ||
| Mississippi | GCGC | Free | link | ||
| Missouri | MODOT | Modot CORS | Free | link | |
| New York | NYDOT | Free | link | ||
| Oregon | ODOT | Free | link | ||
| Vermont | VAT | Free | link | ||
| Washingtion | WSRN | Paid | link | ||
| CWU | PANGA | Free | link | ||
| West Virginia | WVDOT | Free | link | ||
| Wisconsin | WDOT | Free | link |
Rinex data only:
| Country | Provider | Service name | Price | Description | Link |
| Global | Sonel | Free | Sea level observations | https://www.sonel.org/-GPS-.html |