North America

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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CountryProviderService namePriceDescriptionWebsite
GlobalInternational GNSS serviceIGSFreelink
GlobalRTK2GOCommunityFreelink
GlobalUNAVCOFreelink
GlobalHexagon (Novatel)SmartNetPaidlink
GlobalTrimbleVRSnowPaidlink
GlobalTopconTopNetPaidlink
CanadaRx NetworksLocation.ioPaidlink
United StatesNational Geodetic Servicelink
United StatesPoint One NavPolarisPaidlink
ArizonaSpider Business centerFreelink
CaliforniaSOPACFreelink
BerkeleyBardFreelink
ColoradoMesa CountyFreelink
IndianaIndiana DoTFreelink
KentuckyKTCFreelink
MassachusetsMASSCORSFreelink
MichiganMDOTFreelink
MinnesotaMnCORSFreelink
MississippiGCGCFreelink
MissouriMODOTModot CORSFreelink
New YorkNYDOTFreelink
OregonODOTFreelink
VermontVATFreelink
WashingtionWSRNPaidlink
CWUPANGAFreelink
West VirginiaWVDOTFreelink
WisconsinWDOTFreelink

Rinex data only:

CountryProviderService namePriceDescriptionLink
GlobalSonelFreeSea level observationshttps://www.sonel.org/-GPS-.html