DATA CHECKED OCT 2026
Nationwide services / RTK2GOA free public caster where volunteers share their own base stations. Quality varies.Full definition

RTK2GO

Free  Coverage depends on volunteer bases

Coverage

50 states

Sold 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.

Tap a network below to light up the states it lists. Yellow = state is on the network's list (coverage inside a state can still be partial).
Regional / private
State-run
Nationwide (dashed = no state list published)

Everything you need to know

Free

Type: Free community CasterThe internet server that hands out correction streams. Your rover logs in to it, like tuning into a radio station.Full definition

Price & plans

PlanPriceTerm
Free$0
Free trial
Not published
Discounts / exemptions
Not published
What's included
Not published
Contract / terms
Free; no warranty. Rover username must be a valid email, password 'none'

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
800+ bases online at any time; 11,000+ registered
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

hostrtk2go.com
PortA number that tells your device which "door" on the caster server to use. For NTRIP it's often 2101.Full definition2101
mountsaamakinen, AgPartner_2, AGROORSOLIC, AJanasz, AlabamaSylacauga, AR-NET_Siniarzewo, ares, ARLINGTON-76017, arnoldd, Asahikawa-HAMA, Ash_NZ, AUS_LOFT_GNSS, AUT_A-GLAS, AUT_STY_AVL … (773 in total)

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 rtk2go.com:2101 answered on 2026-10-17 with 773 mountpoints.

Mount types
Not published
Correction formats
Not published
Satellites (ConstellationOne family of navigation satellites, like GPS, GLONASS, Galileo or BeiDou. More constellations means more satellites to use.Full definition)
Not published
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
Not published
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?
Not published
Accuracy
Not published
Receivers that work
Any NTRIP client

Sign-up steps

  1. Rovers: no registration, use your email as the NTRIP username
  2. Base owners: register the base before streaming
Sign-up page
Not published
How long approval takes
Not published
Who can sign up
Not published

Fine print

Terms / user agreement
Not published
System status page
Not published
Support
support [at] use-snip.com
Last checked
2026-10-17
Checked 2026-10-17 Sources: [1] · "Not published" means we couldn't find it on the operator's public pages · Report a change

Reliability reports

Collecting soon

No user reports yet for RTK2GO. We only show real reports from real users, never sample data. Report collection opens soon, and here's what we'll ask:

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Get a quote

Coming soon

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Price changes. New stations.
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