DATA CHECKED OCT 2026
Indiana / State-run network

InCORS

Free  Indiana DOTDepartment of Transportation. The state agency that runs many of the free state RTK networks.More

Plans & pricing

Free
No charge (user agreement required)
Correction formats
RTCMThe common format RTK corrections are written in, so different brands can understand each other.More 2.x, RTCM 3.x (MAX, i-MAX, MSM4), CMR, CMRxTrimble's own compact correction format. Some networks offer it for Trimble gear and machine control.More
Support
Network admin 317.522.9771

NTRIP caster

host108.59.49.226 (per Seiler table)
PortA number that tells your device which "door" on the caster server to use. For NTRIP it's often 2101.More9000
mountsRTCM3_IMAX
Operator says 'at no charge'.
Checked 2026-10-16 Sources: [1] [2] · Blank fields mean the operator doesn't publish it · Report a change

Reliability reports

Collecting soon

No user reports yet for InCORS. 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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Price changes. New stations.
Once a month.

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