DATA CHECKED OCT 2026
All states / North Carolina

RTK corrections in North Carolina

Paid  24 options · NC RTNReal-time network. A group of base stations spread across an area that work together to send RTK corrections.Full definition · NC Geodetic Survey

Compare all 24 RTK options in North Carolina

Every way to get RTKReal-time kinematic. A way to make GPS accurate to about an inch by getting live corrections from a nearby base station.Full definition CorrectionsLive info from a base station about how far off the satellite signals are, so your rover can cancel out the error.Full definition here, side by side: the state network, regional or private networks, and nationwide services. Tap a name for the full details page. Want to know about one exact spot? Check an address or ZIP →

OptionAccessPriceFree trialCasterMount typesNotesChecked
NC RTN
State-run network
Paid$500 one-time for the first RTK login (second included); $250 one-time for each one after; paid by check—rtn.nc.gov:2101Not publishedNC Geodetic Survey2026-10-17
Point One Navigation Polaris
Commercial network
PaidVirtual RTK $42/mo per license (~10 cm); True RTK $125/mo per license (1-3 cm); annual discounts14 days, no credit card required; includes Virtual RTK or Trpolaris.pointonenav.com:2101Not publishedUS nationwide. Check the provider's coverage map for your area.2026-10-17
GEODNET RTK
Community network
Paid$40/mo or $400/yr per deviceFree RTK trial offered (link on store page)rtk.geodnet.com:2101Nearest single baseGlobal community-built network. Check the provider's coverage map for your area.2026-10-17
RTKdata
Commercial network
Paid$40/mo, $400/yr, or $1,920 for 5 yrs per device30 days, full service, no credit card, no auto-renewrtk.rtkdata.com:2101Nearest single baseGlobal. Check the provider's coverage map for your area.2026-10-17
E38 RTK Premium
Reseller
PaidFrom $100 (shortest term; see page for durations)—rtkpremium.xyz:2101Not publishedReseller; coverage varies by state. Check the provider's coverage map for your area.2026-10-17
Emlid Corrections
Commercial network
Paid1 yr included with eligible Reach receivers; top-up $699/1 yr or $1,199/3 yr per device (via E38)—NotNot publishedEmlid receivers only. Check the provider's coverage map for your area.2026-10-17
u-blox PointPerfect Flex
Commercial network
PaidFrom $5.90/mo (up to 100 hrs); 30-day free trial30-day free trial (u-blox and non-u-blox receivers)ppntrip.services.u-blox.com:2101Not publishedRTK-SSR, global. Check the provider's coverage map for your area.2026-10-17
Swift Navigation Skylark
Commercial network
PaidFrom $69/mo (1 cm RTK) or $29/mo (sub-decimeter RTK-SSR) per ArduSimple14 daysna.l1l2:2101Not publishedCheck the provider's coverage map for your area.2026-10-17
Leica (HxGN) SmartNet
Commercial network
PaidNot published—<state:9301iMAX network, nearest single basePrice not published. Check the provider's coverage map for your area.2026-10-17
Trimble VRS Now
Commercial network
PaidNot published—www.vrsnow.us:2101Not publishedPrice not published. Check the provider's coverage map for your area.2026-10-17
Topcon Topnet Live
Commercial network
Paid$1,800 new US subscription (Topcon store); monthly/project terms via dealers—After signupNot publishedUS network, 200 stations added Jan 2025; works with any network 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. Check the provider's coverage map for your area.2026-10-17
Carlson SkyNet RTN
Commercial network
Paid$1,500/yr; 14-day free trial14 daysAfter signupNot publishedUS nationwide, single NTRIPThe standard way RTK corrections are sent over the internet. Think of it as internet radio for correction data.Full definition Mount pointOne specific correction stream on a caster, like one channel on a radio. Each one comes from a certain station or network setup.Full definition, 1,700+ bases. Check the provider's coverage map for your area.2026-10-17
RTK2GO
Free community CasterThe internet server that hands out correction streams. Your rover logs in to it, like tuning into a radio station.Full definition
FreeFree community caster; no quality guarantees—rtk2go.com:2101Not publishedCoverage depends on volunteer bases. Check the provider's coverage map for your area.2026-10-17
NOAA NGS CORS
Post-processing data
FreeFree post-processing data (RINEXA standard file format for raw GPS data. Any brand of receiver or software can read it.Full definition); not a real-time RTK service—NotNot publishedUse for PPKPost-processed kinematic. Like RTK, but the corrections are applied after the job using recorded data, so no live link is needed.Full definition, not live RTK. Check the provider's coverage map for your area.2026-10-17
Onocoy
Nationwide / community
Paid$20 per 30 days + $0.15/hr used—clients.onocoy.com:2101Nearest single baseCommunity-built global network; pay per hour. Check the provider's coverage map for your area.2026-10-17
EarthScope NOTA real-time streams
Nationwide / scientific
FreeFree for non-commercial use; commercial license required—ntrip.earthscope.org:2101Single base (you pick a station)Science-grade stations (NOTA); pick a station near you. Check the provider's coverage map for your area.2026-10-17
Emlid Caster
Free relay for your own base
FreeFree (relay for your own Base stationA GNSS receiver sitting still on a known spot. It figures out how wrong the satellite signals are right now and shares that as corrections.Full definition)—caster.emlid.com:2101Your own base (single base)Not a network: sends YOUR base's corrections to your rover over the internet. Check the provider's coverage map for your area.2026-10-17
Trimble CenterPoint RTX
Nationwide / satellite PPP
Paid$1,150/yr (US dealer listing)—NotPPP (RTX), delivered by L-band satellite or internetSatellite PPP; works without cell signal; Trimble receivers. Check the provider's coverage map for your area.2026-10-17
Trimble Catalyst
Nationwide / subscription GNSSGlobal Navigation Satellite System. The general name for GPS (USA) and the other satellite systems like GLONASS, Galileo and BeiDou.Full definition
Paid$455/mo per user (dealer listing)—NotNot publishedSubscription GNSS for phones/tablets with the DA2 antenna. Check the provider's coverage map for your area.2026-10-17
NovAtel TerraStar
Nationwide / satellite PPP
PaidNot published (dealer quote)—sid-output.com:2101PPP corrections by L-band satellite or internetSatellite PPP (also sold as Leica SmartLink and by Ag Leader). Check the provider's coverage map for your area.2026-10-17
John Deere RTK
Ag network (dealer)
PaidNot published (dealer); forum reports ~$1,250-$1,500/machine/yr—NotNot publishedAg: StarFire receivers via Deere dealers. Check the provider's coverage map for your area.2026-10-17
Case IH AFS RTK+
Ag network (dealer)
Paid$838.10/yr (dealer listing)—After signupNot publishedAg: cellular RTK for Case IH AFS receivers. Check the provider's coverage map for your area.2026-10-17
New Holland PLM RTK+
Ag network (dealer)
PaidNot published (dealer subscription)—After signupNot publishedAg: cellular RTK to a tractor modem, 1.5 cm. Check the provider's coverage map for your area.2026-10-17
IGS real-time streams (IGS-IP / BKG)
Scientific network
FreeFree (registration required)—igs-ip.net:2101Single global stations (raw data) and SSR products for real-time PPPScience streams: raw global stations and real-time PPP orbit/clock corrections; not a plug-and-play RTK service. Check the provider's coverage map for your area.2026-10-17
NOAA CORS (NCN)Free Post-processing onlyFree—No caster (download files)Post-processing (RINEX)69 station(s) in state. RINEX for PPK and OPUSOnline Positioning User Service. A free NOAA website: upload a GPS file and it emails back the precise position of that spot.Full definition, not live RTK. Stations ↓—

NC RTN

Paid
Operator
NC Geodetic Survey
Access
Paid
Price
$500 one-time for the first RTK login (second included); $250 one-time for each one after; paid by check
Coverage
North Carolina

NTRIP caster

casterProvided by the operator after registration
One-time fees, not annual. CORSContinuously Operating Reference Station. A permanent GPS receiver that records satellite data all day, every day.Full definition data download is free.
Sign up / request access →Network info & station mapFull network details →
✓ VerifiedChecked 2026-10-16 · operator source · Sources: [1] [2]

PPK with NOAA CORS in North Carolina

NOAANational Oceanic and Atmospheric Administration. The US agency that includes NGS and runs the CORS network.Full definition's permanent base stations record satellite data all day and post it free. You can download those files and use them after a job to correct your drone or rover data (PPK), or to pin down your own base with OPUS. This is not live RTK. This state has 69 working station(s). Each NGSNational Geodetic Survey. The part of NOAA that runs the official US coordinate system, CORS and OPUS.Full definition site log has the station's name and details.

AshevilleJacksonvilleWilmingtonASUBDOBSDURHGASTHIPTMARINC77NCALNCBCNCBUNCBXNCCANCCHNCCINCCONCCRNCECNCELNCETNCFANCFFNCGANCGONCHENCHINCJANCJLNCJVNCKNNCLENCLLNCLUNCMGNCMONCMRNCMUNCNANCNBNCNENCNWNCPONCRBNCRDNCRENCRONCRTNCRXNCSANCSFNCSHNCSLNCSONCSPNCSRNCSTNCSWNCSYNCTANCTRNCWANCWCNCWHNCWJNCWLNCWMNCWRNCZOP779SNFD
Tap or hover a dot: — NOAA CORS station   City
69 operational NOAA CORS stations plotted at their published positions (NGS ITRF2020 coordinates). State outlines: US Census Bureau via us-atlas. Cities: Natural Earth (public domain).
Station IDLat, LonNGS links
ASUB36.2141, -81.6818Coordinates · Site log
DOBS36.4254, -80.7199Coordinates · Site log
DURH35.9962, -78.8995Coordinates · Site log
GAST35.3111, -81.1888Coordinates · Site log
HIPT35.9657, -80.0136Coordinates · Site log
MARI35.6537, -81.9545Coordinates · Site log
NC7735.1226, -80.9163Coordinates · Site log
NCAL35.3381, -80.2135Coordinates · Site log
NCBC35.3727, -83.5065Coordinates · Site log
NCBU36.0916, -79.4367Coordinates · Site log
NCBX35.2661, -75.5519Coordinates · Site log
NCCA35.3417, -79.3847Coordinates · Site log
NCCH34.3445, -77.8750Coordinates · Site log
NCCI35.0177, -76.3154Coordinates · Site log
NCCO35.3765, -80.5642Coordinates · Site log
NCCR35.9158, -76.4737Coordinates · Site log
NCEC35.6051, -77.3654Coordinates · Site log
NCEL36.3413, -76.2581Coordinates · Site log
NCET34.6538, -78.5199Coordinates · Site log
NCFA35.0340, -78.8708Coordinates · Site log
NCFF33.9606, -77.9386Coordinates · Site log
NCGA36.4369, -76.7213Coordinates · Site log
NCGO35.4214, -78.0585Coordinates · Site log
NCHE35.3561, -82.5011Coordinates · Site log
NCHI35.7420, -81.3086Coordinates · Site log
NCJA36.4085, -77.4376Coordinates · Site log
NCJL35.7813, -79.0344Coordinates · Site log
NCJV34.7463, -77.4533Coordinates · Site log
NCKN34.9418, -77.9805Coordinates · Site log
NCLE35.8148, -80.2295Coordinates · Site log
NCLL35.4202, -78.8112Coordinates · Site log
NCLU34.6268, -79.0777Coordinates · Site log
NCMG35.7075, -81.6567Coordinates · Site log
NCMO35.5797, -80.8035Coordinates · Site log
NCMR34.9819, -80.5238Coordinates · Site log
NCMU35.0686, -83.9665Coordinates · Site log
NCNA35.9692, -78.0198Coordinates · Site log
NCNB35.1128, -77.1040Coordinates · Site log
NCNE36.0778, -81.9112Coordinates · Site log
NCNW36.1665, -81.1326Coordinates · Site log
NCPO34.9926, -80.1772Coordinates · Site log
NCRB35.3210, -83.7969Coordinates · Site log
NCRD35.7638, -78.5790Coordinates · Site log
NCRE36.3619, -79.6657Coordinates · Site log
NCRO34.9644, -79.7966Coordinates · Site log
NCRT35.5954, -75.4694Coordinates · Site log
NCRX36.3911, -78.9985Coordinates · Site log
NCSA35.7116, -80.4322Coordinates · Site log
NCSF35.5638, -78.3363Coordinates · Site log
NCSH35.2816, -81.4912Coordinates · Site log
NCSL33.9826, -78.3901Coordinates · Site log
NCSO35.3947, -76.3255Coordinates · Site log
NCSP35.3655, -81.9159Coordinates · Site log
NCSR36.4978, -81.1147Coordinates · Site log
NCST35.8555, -80.8487Coordinates · Site log
NCSW35.5961, -82.4234Coordinates · Site log
NCSY35.3479, -83.2065Coordinates · Site log
NCTA35.8825, -77.5726Coordinates · Site log
NCTR35.3672, -79.8702Coordinates · Site log
NCWA35.5597, -77.0587Coordinates · Site log
NCWC36.3721, -80.1849Coordinates · Site log
NCWH34.2805, -78.7165Coordinates · Site log
NCWJ36.3931, -81.4784Coordinates · Site log
NCWL35.7073, -77.9325Coordinates · Site log
NCWM35.8305, -77.0351Coordinates · Site log
NCWR36.3949, -78.1705Coordinates · Site log
NCZO35.6304, -79.7649Coordinates · Site log
P77935.2019, -82.8725Coordinates · Site log
SNFD35.4735, -79.1581Coordinates · Site log
  • Download: daily RINEX files (a standard GPSThe US satellite navigation system. People often use "GPS" to mean all satellite positioning.Full definition file type) at geodesy.noaa.gov/corsdata/rinex/YYYY/DDD/ssss/ or the AWS mirror. Custom time spans are available from UFCORS.
  • How often it records: after 30 days, NGS thins daily files to one reading every 30 seconds. Full-rate data is available from NOAA NCEI CLASS.
  • Set your own base: OPUS. See our OPUS how-to.
PPK how-to →OPUS how-to
Source: NGS CORS data access · station list from NGS ITRFInternational Terrestrial Reference Frame. A worldwide datum. In the US it's about a meter different from NAD 83.Full definition coordinate file (Oct 14, 2026).

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Quick answers

Is there a free RTK network in North Carolina?

No free statewide network is listed for North Carolina. The state network, NC RTN, is paid. Paid nationwide services and the free community caster RTK2GO are the main options.

How many RTK correction options are there in North Carolina?

FixFinder lists 24: 1 state-run network, 0 regional or private network(s), and 23 nationwide services.

How much does NC RTN cost?

$500 one-time for the first RTK login (second included); $250 one-time for each one after; paid by check

What is the NTRIP caster for NC RTN?

The operator gives the caster address after you register. FixFinder has not found it published.

Nearby states and related pages

Georgia RTK networksPaidSouth Carolina RTK networksPaidTennessee RTK networksPaidVirginia RTK networksPaidFree vs paid RTK networksHow-toNTRIP setup guidesHow-to

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