Commercial network
$1,800
US 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
Good to know: $1,800 new US subscription (Topcon store); monthly/project terms via dealers
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 |
|---|---|---|
| 12-month US subscription | $1,800 (Topcon store; shown sold out on check) | 12 months |
| Monthly / project terms | Through dealers |
- Contract / terms
- Monthly, annual and project-based options
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 rover (cell data or a phone hotspot). General rule, not an operator statement.
- Network
- 200 stations added Jan 2025
Connection settings
NTRIP caster
rtk.topnetlive.com:2101 answers, but its SourcetableThe list of every mount point a caster offers. Your app shows it when you connect without picking one.Full definition is tagged Europe (EUR), so we don't list it for 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 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
No step-by-step guide is published. Start at the sign-up page.
Fine print
- Support
- Topcon (855) 289-1772
- Last checked
- Oct 17, 2026
States covered50
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.