DATA CHECKED OCT 2026
Arkansas / State-run network

ARDOT RTN

Free  Arkansas DOTDepartment of Transportation. The state agency that runs many of the free state RTK networks.Full definition

Everything you need to know

Free

Type: State-run network

Price and plans

PlanPriceTerm
AccessFree (signed user agreement required)

Not published by the operator: free trial, discounts / exemptions, what's included.

Coverage

Where it works
State-run network for Arkansas.
Stations
Not published; the public SourcetableThe list of every mount point a caster offers. Your app shows it when you connect without picking one.Full definition listed 8 mountpoints on Oct 17, 2026 (network products plus any single-station streams)
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.

Not published by the operator: official coverage map.

Connection settings

NTRIP caster

hostgps.ardot.gov
PortA number that tells your device which "door" on the caster server to use. For NTRIP it's often 2101.Full definition2101
mountsMS_CMRp, MS_RTCM31, MS_CMRx, ARDOT_RTX_CMRx, ARDOT_RTX_CMRp, ARDOT_RTX_RTCM31, ARDOT_RTX_RTCM34, MS_RTCM34

Confirmed live: a public sourcetable request to gps.ardot.gov:2101 answered on Oct 17, 2026 with 8 mountpoints.

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
NAD 83(2011)The official US datum for horizontal position right now. Most state networks give coordinates in it.Full definition epoch 2010.00

Not published by the operator: mount types, correction formats, satellites (ConstellationOne family of navigation satellites, like GPS, GLONASS, Galileo or BeiDou. More constellations means more satellites to use.Full definition), 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?, accuracy, receivers that work.

Sign-up steps

No step-by-step guide is published. Start at the sign-up page.

Sign-up page
Go to sign-up →
Who can sign up
Anyone who signs the ARCORS user agreement

Not published by the operator: how long approval takes.

Fine print

Terms / user agreement
Signed user agreement required; ARDOT disclaims accuracy, availability and liability
Last checked
Oct 17, 2026

Not published by the operator: system status page, support.

You email the signed agreement to [email protected]. The site timed out from our fetcher. The CasterThe internet server that hands out correction streams. Your rover logs in to it, like tuning into a radio station.Full definition comes from a dealer guide.
Checked Oct 17, 2026 Sources: [1] [2] · "Not published" means we couldn't find it on the operator's public pages · Report a change

Reliability reports

No user reports yet for ARDOT RTNReal-time network. A group of base stations spread across an area that work together to send RTK corrections.Full definition. We only publish reports from real users. Used it in the field? Tell us how it went.

Get a quote

Dealer quotes for ARDOT RTN (Arkansas) aren't open yet. For now, use the operator's sign-up or contact link on each listing. Get the monthly email to hear when quotes open.

Price changes and new stations, once a month.

New state networks, price changes and reliability reports. One email a month, no spam.