DATA CHECKED OCT 2026
Nationwide services / NOAANational Oceanic and Atmospheric Administration. The US agency that includes NGS and runs the CORS network.More NGSNational Geodetic Survey. The part of NOAA that runs the official US coordinate system, CORS and OPUS.More CORSContinuously Operating Reference Station. A permanent GPS receiver that records satellite data all day, every day.More

NOAA NGS CORS

Free  Use for PPKPost-processed kinematic. Like RTK, but the corrections are applied after the job using recorded data, so no live link is needed.More, not live RTKReal-time kinematic. A way to make GPS accurate to about an inch by getting live corrections from a nearby base station.More

Coverage

0 states

Post-processing data, not live RTK.

AlabamaAlaskaArizonaColoradoFloridaGeorgiaIndianaKansasMaineMassachusettsMinnesotaNew JerseyNorth CarolinaNorth DakotaOklahomaPennsylvaniaSouth DakotaTexasWyomingConnecticutMissouriWest VirginiaIllinoisNew MexicoArkansasCaliforniaDelawareHawaiiIowaKentuckyMarylandMichiganMississippiMontanaNew HampshireNew YorkOhioOregonTennesseeUtahVirginiaWashingtonWisconsinNebraskaSouth CarolinaIdahoNevadaVermontLouisianaRhode Island
Official coverage / station map →

Plans & pricing

Free
PlanPriceTerm
Free$0
Network
Post-processing RINEXA standard file format for raw GPS data. Any brand of receiver or software can read it.More data from the NOAA CORS Network (NCNThe NOAA CORS Network. NOAA's nationwide group of permanent base stations, with data free to download.More); not real-time

NTRIP caster

hostProvided after signup
PortA number that tells your device which "door" on the caster server to use. For NTRIP it's often 2101.More—
Operator page
Checked 2026-10-16 Sources: [1] · Blank fields mean the operator doesn't publish it · Report a change

Reliability reports

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No user reports yet for NOAA NGS CORS. We only show real reports from real users, never sample data. Report collection opens soon, and here's what we'll ask:

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Related providers and pages

Point One Navigation PolarisPaidGEODNET RTKPaidRTKdataPaidE38 RTK PremiumPaidEmlid CorrectionsPaid

Price changes. New stations.
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