Home / Compare

Compare nationwide RTK services

Published prices for subscription and free correction services that work across state lines.

ServiceTypeFromPublished pricingNotes
Point One Navigation PolarisPaidfrom $42/moVirtual RTKReal-time kinematic. A way to make GPS accurate to about an inch by getting live corrections from a nearby base station.More $42/mo per license (~10 cm); True RTK $125/mo per license (1-3 cm); annual discountsUS nationwide
GEODNET RTKPaidfrom $40/mo$40/mo or $400/yr per deviceGlobal community-built network
RTKdataPaidfrom $40/mo$40/mo, $400/yr, or $1,920 for 5 yrs per deviceGlobal
E38 RTK PremiumPaidfrom $100From $100 (shortest term; see page for durations)Reseller; coverage varies by state
Emlid CorrectionsPaidfrom $6991 yr included with eligible Reach receivers; top-up $699/1 yr or $1,199/3 yr per device (via E38)Emlid receivers only
u-blox PointPerfect FlexPaidfrom $5.90/moFrom $5.90/mo (up to 100 hrs); 30-day free trialRTK-SSR, global
Swift Navigation SkylarkPaidfrom $69/moFrom $69/mo (1 cm RTK) or $29/mo (sub-decimeter RTK-SSR) per ArduSimple
Leica (HxGN) SmartNetPaidPrice not published—Price not published
Trimble VRS NowPaidPrice not published—Price not published
Topcon Topnet LivePaidfrom $1,800$1,800 new US subscription (Topcon store); monthly/project terms via dealersUS 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.More
Carlson SkyNet RTNPaidfrom $1,500/yr$1,500/yr; 14-day free trialUS nationwide, single NTRIPThe standard way RTK corrections are sent over the internet. Think of it as internet radio for correction data.More Mount pointOne specific correction stream on a caster, like one channel on a radio. Each one comes from a certain station or network setup.More, 1,700+ bases
RTK2GOFreeFreeFree community CasterThe internet server that hands out correction streams. Your rover logs in to it, like tuning into a radio station.More; no quality guaranteesCoverage depends on volunteer bases
NOAA NGS CORSFreeFreeFree post-processing data (RINEXA standard file format for raw GPS data. Any brand of receiver or software can read it.More); not a real-time RTK serviceUse for PPKPost-processed kinematic. Like RTK, but the corrections are applied after the job using recorded data, so no live link is needed.More, not live RTK

The monthly RTK network brief

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