DATA CHECKED OCT 2026
Rhode Island / State-run network

MaCORS (Massachusetts network)

Free  MassDOT

Coverage

2 states

State-run network for Rhode Island.

AlabamaAlaskaArizonaColoradoFloridaGeorgiaIndianaKansasMaineMassachusetts (covered)MinnesotaNew JerseyNorth CarolinaNorth DakotaOklahomaPennsylvaniaSouth DakotaTexasWyomingConnecticutMissouriWest VirginiaIllinoisNew MexicoArkansasCaliforniaDelawareHawaiiIowaKentuckyMarylandMichiganMississippiMontanaNew HampshireNew YorkOhioOregonTennesseeUtahVirginiaWashingtonWisconsinNebraskaSouth CarolinaIdahoNevadaVermontLouisianaRhode Island (covered)

Plans & pricing

Free
Free
Correction formats
RTCMThe common format RTK corrections are written in, so different brands can understand each other.More 2.3, RTCM 3.1, RTCM 3.2 MSM4, CMR, CMRxTrimble's own compact correction format. Some networks offer it for Trimble gear and machine control.More

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—
MaCORS is confirmed free, but we didn't confirm which RI stations or how far coverage reaches.
Sign up →Operator page
Checked 2026-10-16 Sources: [1] · Blank fields mean the operator doesn't publish it · Report a change

Reliability reports

Collecting soon

No user reports yet for MaCORS (Massachusetts network). 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

All RTK options in Rhode IslandStateACORNConnecticutMaCORSMassachusetts

Price changes. New stations.
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