North Carolina / State-run network

NC RTN

Paid

State-run network

$500

NC Geodetic Survey

Sign upOperator pageSetup details

Good to know: $500 one-time for the first RTKReal-time kinematic. A way to make GPS accurate to about an inch by getting live corrections from a nearby base station.Full definition login (second included); $250 one-time for each one after; paid by check

Where it works

1 state

State-run network for North Carolina.

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All plans
PlanPriceTerm
First RTK login$500 one-time (includes a 2nd login)One-time
Each extra login after 2$250 one-timeOne-time
What's included
CORSContinuously Operating Reference Station. A permanent GPS receiver that records satellite data all day, every day.Full definition data download is free; RTK login is paid
Coverage
Where it works
State-run network for North Carolina.
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 7 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

hostrtn.nc.gov
PortA number that tells your device which "door" on the caster server to use. For NTRIP it's often 2101.Full definition2101
mountsVRS_RTCM23_DGPS, VRS_CMRp, VRS_CMRx, VRS_RTCM23, VRS_RTCM3, VRS_RTCM34_MSM5, VRS_RTCM34_MSM4

Not on NCGS's public pages (emailed with login). We confirmed it with a public sourcetable request to the network's own domain. Confirmed live: a public sourcetable request to rtn.nc.gov:2101 answered on Oct 17, 2026 with 7 mountpoints.

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
  1. Register your organization at rtn.nc.gov
  2. Request an RTK service login
  3. Login details are emailed; invoice comes the first week of next month
  4. Pay by check only
Sign-up page
Go to sign-up →
Fine print
Last checked
Oct 17, 2026
One-time fees, not annual. CORS data download is free.
States covered1
North CarolinaPaid

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

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

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

Related providers and pages

All RTK options in North CarolinaStateeGPS Georgia RTK NetworkGeorgiaSCRTNSouth CarolinaTDOT GNSS Reference NetworkTennessee

Price changes and new stations, once a month.

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