Minnesota / State-run network

MnCORS

Free

State-run network

Free

Minnesota DOTDepartment of Transportation. The state agency that runs many of the free state RTK networks.Full definition

Good to know: Not published

All plans
PlanPriceTerm
Public accessFree (no subscription fee)Account may be deactivated after 1 year without use
Coverage
Where it works
State-run network for Minnesota.
Stations
Not published; the public SourcetableThe list of every mount point a caster offers. Your app shows it when you connect without picking one.Full definition listed 13 mountpoints on Oct 17, 2026 (network products plus any single-station streams)
Needs cell signal?
Yes: NTRIPThe standard way RTK corrections are sent over the internet. Think of it as internet radio for correction data.Full definition needs internet at the RoverThe receiver that moves around the job, like a survey pole or a drone. It uses the base's corrections to find its exact spot.Full definition (cell data or a phone hotspot). General rule, not an operator statement.
Connection settings

NTRIP caster

hostmncors.dot.state.mn.us
PortA number that tells your device which "door" on the caster server to use. For NTRIP it's often 2101.Full definition9000
mountsAGCMRP, AGCMRX, AGRTCM31, CMR_Plus_NAD83(1996), CMR_Plus_NAD83(2011), CMRx_NAD83(1996), CMRx_NAD83(2011), RTCM_23_NAD83(2011), RTCM_31_NAD83(1996), RTCM_31_NAD83(2011), RTCM_34_NAD83(1996), RTCM_34_NAD83(2011), AGRTCM34

Confirmed live: a public sourcetable request to mncors.dot.state.mn.us:9000 answered on Oct 17, 2026 with 13 mountpoints.

Mount types
Network (13 mountpoints by format and adjustment; AG mounts for agriculture)
Correction formats
RTCMThe common format RTK corrections are written in, so different brands can understand each other.Full definition 2.3, RTCM 3.1, RTCM 3.4, CMRxTrimble's own compact correction format. Some networks offer it for Trimble gear and machine control.Full definition, CMRx
Datum / EpochOne moment of GPS measurement. A receiver logging at 1 Hz records one epoch every second.Full definition / GeoidA lumpy, imaginary "sea level" surface around the whole Earth. Elevations are measured from it.Full definition
NAD 83(2011)The official US datum for horizontal position right now. Most state networks give coordinates in it.Full definition epoch 2010 mounts (Geoid18) and NAD83(1996) mounts (Geoid03)
Receivers that work
Most GNSSGlobal Navigation Satellite System. The general name for GPS (USA) and the other satellite systems like GLONASS, Galileo and BeiDou.Full definition receivers; dual-frequency not strictly required
Sign-up steps

No step-by-step guide is published. Start at the sign-up page.

Sign-up page
Go to sign-up →
How long approval takes
Administrator reply expected within 3 working days (MnDOT FAQ)
Fine print
Last checked
Oct 17, 2026
Operator portal is live. The MnDOT info page timed out.
States covered1

Not listed by the operator: free trial, discounts, what's included, a coverage map and a few other details. Ask them before you sign up if these matter to you.

Checked Oct 17, 2026 Sources: [1] [2] · Report a change

No user reliability reports yet. Used it in the field? Tell us how it went.

Price changes and new stations, once a month.

New state networks, price changes and reliability reports. One email a month, no spam.