Plans & pricing
FreeFree (no fee or payment step; ask cors@dot.state.oh.us for a login)
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- cors@dot.state.oh.us
NTRIP caster
host156.63.133.115
PortA number that tells your device which "door" on the caster server to use. For NTRIP it's often 2101.More2101
mountsODOT_G_R_E_C_RTX_RTCM3 (RTCM3, all ConstellationOne family of navigation satellites, like GPS, GLONASS, Galileo or BeiDou. More constellations means more satellites to use.More, per E38)
Resolved 2026-10-16: ODOT's own network page lists no price, fee or payment step. To get a login you email the administrator at cors@dot.state.oh.us. Dealers (E38, ArduSimple) also call it free. ODOT doesn't use the word 'free' itself. Non-Trimble receivers use the RTCM3 Mount pointOne specific correction stream on a caster, like one channel on a radio. Each one comes from a certain station or network setup.More ODOT_G_R_E_C_RTX_RTCM3 (per E38).
Checked 2026-10-16 Sources: [1] [2] · Blank fields mean the operator doesn't publish it · Report a change
Reliability reports
Collecting soonNo user reports yet for ODOT CORSContinuously Operating Reference Station. A permanent GPS receiver that records satellite data all day, every day.More/VRSVirtual reference station. The network blends nearby stations to create a pretend base right next to you, which keeps the baseline short.More (ORTN). 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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