Commercial network
$40/mo
Global
Good to know: $40/mo, $400/yr, or $1,920 for 5 yrs per device
Where it works
50 statesSold nationwide. Real RTKReal-time kinematic. A way to make GPS accurate to about an inch by getting live corrections from a nearby base station.Full definition coverage depends on station density and cell signal, so check the official map for your site.
All plans
| Plan | Price | Term |
|---|---|---|
| Monthly | $40/mo per device | Cancel anytime |
| Annual | $400/yr ($33.33/mo) | Renews yearly |
| 5-year | $1,920 one-time ($32/mo) | Rate locked 5 yrs |
| Enterprise / fleet | By quote |
- Free trial
- 30 days, full service, no credit card, no auto-renew
- Contract / terms
- Cancel any plan anytime; service runs to end of paid period
Coverage
- Where it works
- Sold nationwide. Real RTK coverage depends on station density and cell signal, so check the official map for your site.
- Stations
- 20,000+ reference stations in 140+ countries (global, operator claim)
- 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
hostrtk.rtkdata.com
PortA number that tells your device which "door" on the caster server to use. For NTRIP it's often 2101.Full definition2101
mountsAUTO, AUTO_ITRF2020, AUTO_ITRF2014, AUTO_WGS84, BRDC, NATRF2022One of the new US reference frames NOAA plans to use in place of NAD 83.Full definition
Confirmed live: a public SourcetableThe list of every mount point a caster offers. Your app shows it when you connect without picking one.Full definition request to rtk.rtkdata.com:2101 answered on Oct 17, 2026 with 6 mountpoints.
- Mount types
- Nearest single base
- Correction formats
- NTRIP, RTCMThe common format RTK corrections are written in, so different brands can understand each other.Full definition.2 (MSM4)
- 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
- AUTO gives local DatumThe starting point and ruler that coordinates are measured from. The same spot has different numbers in different datums.Full definition (NAD83 in the US)
- 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
- Receivers that work
- Any NTRIP receiver: Trimble, Leica, Topcon, DJI, Autel, Emlid, u-blox, ArduPilot (operator list)
Sign-up steps
- Start the free trial at rtkdata.com
- Enter CasterThe internet server that hands out correction streams. Your rover logs in to it, like tuning into a radio station.Full definition, port 2101, 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 AUTO in your receiver
- Turn on GGA to caster
Fine print
- Last checked
- Oct 17, 2026
States covered50
AlaskaFreeAlabamaFreeArkansasFreeArizonaFreeCaliforniaPaidColoradoFreeConnecticutFreeDelawarePaidFloridaFreeGeorgiaPaidHawaiiPaidIowaFreeIdahoPaidIllinoisFreeIndianaFreeKansasPaidKentuckyFreeLouisianaPaidMassachusettsFreeMarylandPaidMaineFreeMichiganFreeMinnesotaFreeMissouriFreeMississippiFreeMontanaPaidNorth CarolinaPaidNorth DakotaPaidNebraskaPaidNew HampshirePaidNew JerseyPaidNew MexicoPaidNevadaPaidNew YorkFreeOhioFreeOklahomaPaidOregonFreePennsylvaniaPaidRhode IslandFreeSouth CarolinaPaidSouth DakotaPaidTennesseePaidTexasPaidUtahPaidVirginiaPaidVermontFreeWashingtonPaidWisconsinPaidWest VirginiaFreeWyomingPaid
Not listed by the operator: discounts, what's included, which satellites, 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.