Nationwide services / Carlson SkyNet RTNReal-time network. A group of base stations spread across an area that work together to send RTK corrections.Full definition

Carlson SkyNet RTN

Paid

Commercial network

$1,500/yr

US nationwide, single NTRIPThe standard way RTK corrections are sent over the internet. Think of it as internet radio for correction data.Full definition 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, 1,700+ bases

Good to know: $1,500/yr; 14-day free trial

All plans
PlanPriceTerm
Annual$1,500/yrAnnual
Free trial
14 days
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
1,700+ Base stationA GNSS receiver sitting still on a known spot. It figures out how wrong the satellite signals are right now and shares that as corrections.Full definition (operator claim)
Official coverage map
Open map →
Needs cell signal?
Yes: NTRIP 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

hostProvided after signup (not published; access is through SurvPC 7)
PortA number that tells your device which "door" on the caster server to use. For NTRIP it's often 2101.Full definitionProvided after signup
mountsSingle mount point
Satellites (ConstellationOne family of navigation satellites, like GPS, GLONASS, Galileo or BeiDou. More constellations means more satellites to use.Full definition)
GPSThe US satellite navigation system. People often use "GPS" to mean all satellite positioning.Full definition, GLONASS, Galileo, BeiDou (3-frequency)
Accuracy
'Sub centimeter' claimed by the dealer; single-baseline CorrectionsLive info from a base station about how far off the satellite signals are, so your rover can cancel out the error.Full definition
Receivers that work
Carlson Viking, BRx7 and RTk5 only; SurvPC 7 GPS module required
Sign-up steps

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

Fine print
Terms / user agreement
Annual; does not auto-renew
Support
1-888-299-6996, [email protected]
Last checked
Oct 17, 2026
States covered50

Not listed by the operator: discounts, what's included, mountpoints, correction formats and a few other details. Ask them before you sign up if these matter to you.

Checked Oct 17, 2026 Sources: [1] [2] [3] · Report a change

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