State-run network
Free
Oregon DOTDepartment of Transportation. The state agency that runs many of the free state RTK networks.Full definition
Good to know: No direct charge for now (ODOT may add a fee later)
Where it works
1 stateState-run network for Oregon.
All plans
| Plan | Price | Term |
|---|---|---|
| Access | No direct charge for now (ODOT may add a fee later) |
Coverage
- Where it works
- State-run network for Oregon.
- 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 285 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
host167.131.109.57 (ORGN.ODOT.STATE.OR.US)
PortA number that tells your device which "door" on the caster server to use. For NTRIP it's often 2101.Full definition9879 single base; 9881 GPS-only network; 9882 GNSSGlobal Navigation Satellite System. The general name for GPS (USA) and the other satellite systems like GLONASS, Galileo and BeiDou.Full definition network
mountsPDXA_Single_GG3x, WALA_CMR, P375_GNSS, LCS1_GNSS, WDBN_GNSS, NWBG_GNSS, TILL_GNSS, CATH_GNSS, LPSB_GNSS, ANAT_GG3x, ANAT_GNSS, AGNS_GG3x, AGNS_GNSS, ARLN_GG3x … (285 in total)
Confirmed live: a public sourcetable request to 167.131.109.57:9879, 167.131.109.57:9881, 167.131.109.57:9882 answered on Oct 17, 2026 with 285 mountpoints.
- Mount types
- MAX, i-MAX (network), nearest single base, single base
- Correction formats
- RTCMThe common format RTK corrections are written in, so different brands can understand each other.Full definition
- 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 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 / 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
- Submit the ORGN online rover account request
- ODOT assigns an NTRIP username and password
- Pick the port for the product you want
- Sign-up page
- Go to sign-up →
Fine print
- Last checked
- Oct 17, 2026
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.
No user reliability reports yet. Used it in the field? Tell us how it went.