State-run network
$1,500/yr
Montana State Library
Good to know: $1,500/yr per login (rate reviewed every 2 years; educational and contributor agreements available)
All plans
| Plan | Price | Term |
|---|---|---|
| Per login | $1,500/yr | Annual |
- Discounts / exemptions
- A $1,200 early-bird rate ran through Jun 1, 2024 (expired)
Coverage
- Where it works
- State-run network for Montana.
- 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 305 mountpoints on Oct 17, 2026 (network products plus any single-station streams)
- Official coverage map
- Open map →
- 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
Confirmed live: a public sourcetable request to 3.23.213.134:2101 answered on Oct 17, 2026 with 305 mountpoints.
- Mount types
- VRSVirtual reference station. The network blends nearby stations to create a pretend base right next to you, which keeps the baseline short.Full definition (network), MTSS nearest-station, single station
- Correction formats
- CMRxTrimble's own compact correction format. Some networks offer it for Trimble gear and machine control.Full definition, CMRx, RTCMThe common format RTK corrections are written in, so different brands can understand each other.Full definition.1, RTCM 3.4 MSMMultiple Signal Messages. A newer kind of RTCM 3 message that carries all satellite systems and signals.Full definition
- Satellites (ConstellationOne family of navigation satellites, like GPS, GLONASS, Galileo or BeiDou. More constellations means more satellites to use.Full definition)
- GPSThe US satellite navigation system. People often use "GPS" to mean all satellite positioning.Full definition+GLONASS (CMR+/RTCM3.1); GPS+GLO+GAL+BDS (MSM, CMRx)
- Must send GGAA short message your rover sends with its rough location. VRS and nearest-station streams need it to know where you are.Full definition position?
- Yes for VRS / network / nearest-base mountpoints (your rover must send its position as an NMEAA common text format GPS receivers use to report position and status. GGA is one NMEA message.Full definition GGA message). General rule based on the mount types.
Sign-up steps
No step-by-step guide is published. Start at the sign-up page.
- Sign-up page
- Go to sign-up →
Fine print
- Support
- [email protected], (406) 444-3115
- Last checked
- Oct 17, 2026
States covered1
Not listed by the operator: free trial, what's included, DatumThe starting point and ruler that coordinates are measured from. The same spot has different numbers in different datums.Full definition, accuracy and a few other details. Ask them before you sign up if these matter to you.
No user reliability reports yet. Used it in the field? Tell us how it went.