Nationwide services / E38 RTKReal-time kinematic. A way to make GPS accurate to about an inch by getting live corrections from a nearby base station.Full definition Premium
E38 RTK Premium
Paid
Reseller
From $100
Reseller; coverage varies by state
Good to know: From $100 (shortest term; see page for durations)
Where it works
50 statesSold nationwide. Real RTK coverage depends on station density and cell signal, so check the official map for your site.
All plans
| Plan | Price | Term |
|---|---|---|
| RTK Premium subscription | From $100 | Recurring; durations on product page |
- Contract / terms
- Recurring subscription, cancel per store policy
Coverage
- Where it works
- Sold nationwide. Real RTK coverage depends on station density and cell signal, so check the official map for your site.
- 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.
- Network
- Premium Positioning's NTRIP service, resold by E38
Connection settings
NTRIP caster
hostrtkpremium.xyz
PortA number that tells your device which "door" on the caster server to use. For NTRIP it's often 2101.Full definition2101
mountsCOMMON (also COMMON_ALT0-2 in the SourcetableThe list of every mount point a caster offers. Your app shows it when you connect without picking one.Full definition)
Operator docs (Premium Positioning). Confirmed live: public sourcetable answered on Oct 17, 2026 with 4 mountpoints.
- Correction formats
- RTCMThe common format RTK corrections are written in, so different brands can understand each other.Full definition.x
- Receivers that work
- Any receiver that takes RTCM3, incl. Emlid Reach RX2, RS2+, RS3, RS4/RS4 Pro
Sign-up steps
- Buy RTK Premium from E38
- Get username and password by email
- Connect to rtkpremium.xyz: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 COMMON
Fine print
- Support
- E38 Survey Solutions, +1 (440) 596-4076
- Last checked
- Oct 17, 2026
States covered50
AlaskaFreeAlabamaFreeArkansasFreeArizonaFreeCaliforniaPaidColoradoFreeConnecticutFreeDelawarePaidFloridaFreeGeorgiaPaidHawaiiPaidIowaFreeIdahoPaidIllinoisFreeIndianaFreeKansasPaidKentuckyFreeLouisianaPaidMassachusettsFreeMarylandPaidMaineFreeMichiganFreeMinnesotaFreeMissouriFreeMississippiFreeMontanaPaidNorth CarolinaPaidNorth DakotaPaidNebraskaPaidNew HampshirePaidNew JerseyPaidNew MexicoPaidNevadaPaidNew YorkFreeOhioFreeOklahomaPaidOregonFreePennsylvaniaPaidRhode IslandFreeSouth CarolinaPaidSouth DakotaPaidTennesseePaidTexasPaidUtahPaidVirginiaPaidVermontFreeWashingtonPaidWisconsinPaidWest VirginiaFreeWyomingPaid
Not listed by the operator: free trial, discounts, what's included, station count 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.