DATA CHECKED OCT 2026
All states / Louisiana

RTK corrections in Louisiana

Paid  14 options · C4Gnet.XYZ RTNReal-time network. A group of base stations spread across an area that work together to send RTK corrections.More · LSU Center for GeoInformatics

All 14 RTK options in Louisiana

Every way to get RTKReal-time kinematic. A way to make GPS accurate to about an inch by getting live corrections from a nearby base station.More CorrectionsLive info from a base station about how far off the satellite signals are, so your rover can cancel out the error.More here, free and paid, side by side: the state network, regional or private networks, and nationwide services.

OptionTypePriceNotes
C4Gnet.XYZ RTN
State-run
Paid$495/yr (10 hrs), $1,995/yr (50 hrs), $3,500/yr unlimited RTK, $5,000/yr full membershipLSU Center for GeoInformatics
Point One Navigation Polaris
Nationwide
PaidVirtual RTK $42/mo per license (~10 cm); True RTK $125/mo per license (1-3 cm); annual discountsUS nationwide. Check the provider's coverage map for your area.
GEODNET RTK
Nationwide
Paid$40/mo or $400/yr per deviceGlobal community-built network. Check the provider's coverage map for your area.
RTKdata
Nationwide
Paid$40/mo, $400/yr, or $1,920 for 5 yrs per deviceGlobal. Check the provider's coverage map for your area.
E38 RTK Premium
Nationwide
PaidFrom $100 (shortest term; see page for durations)Reseller; coverage varies by state. Check the provider's coverage map for your area.
Emlid Corrections
Nationwide
Paid1 yr included with eligible Reach receivers; top-up $699/1 yr or $1,199/3 yr per device (via E38)Emlid receivers only. Check the provider's coverage map for your area.
u-blox PointPerfect Flex
Nationwide
PaidFrom $5.90/mo (up to 100 hrs); 30-day free trialRTK-SSR, global. Check the provider's coverage map for your area.
Swift Navigation Skylark
Nationwide
PaidFrom $69/mo (1 cm RTK) or $29/mo (sub-decimeter RTK-SSR) per ArduSimpleCheck the provider's coverage map for your area.
Leica (HxGN) SmartNet
Nationwide
PaidNot publishedPrice not published. Check the provider's coverage map for your area.
Trimble VRS Now
Nationwide
PaidNot publishedPrice not published. Check the provider's coverage map for your area.
Topcon Topnet Live
Nationwide
Paid$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. Check the provider's coverage map for your area.
Carlson SkyNet RTN
Nationwide
Paid$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. Check the provider's coverage map for your area.
RTK2GO
Nationwide
FreeFree 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. Check the provider's coverage map for your area.
NOAA NGS CORS
Nationwide
FreeFree 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. Check the provider's coverage map for your area.
NOAA CORS (NCN)Free Post-processing onlyFree30 station(s) in state. RINEX for PPK and OPUSOnline Positioning User Service. A free NOAA website: upload a GPS file and it emails back the precise position of that spot.More, not live RTK. Stations ↓

C4Gnet.XYZ RTN

Paid
Operator
LSU Center for GeoInformatics
Access
Paid
Price
$495/yr (10 hrs), $1,995/yr (50 hrs), $3,500/yr unlimited RTK, $5,000/yr full membership
Coverage
Louisiana

NTRIP caster

casterProvided by the operator after registration
Statewide, with 100+ CORSContinuously Operating Reference Station. A permanent GPS receiver that records satellite data all day, every day.More. Sold through the LSU store.
Sign up / request access →Network info & station mapFull network details →
✓ VerifiedChecked 2026-10-16 · operator source · Sources: [1]

PPK with NOAA CORS in Louisiana

NOAANational Oceanic and Atmospheric Administration. The US agency that includes NGS and runs the CORS network.More's permanent 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.More record satellite data all day and post it free. You can download those files and use them after a job to correct your drone or rover data (PPK), or to pin down your own base with OPUS. This is not live RTK. This state has 30 working station(s). Each NGSNational Geodetic Survey. The part of NOAA that runs the official US coordinate system, CORS and OPUS.More site log has the station's name and details.

1LSU1NSU1ULMAMERAWESBVHSCALCCAMRCOVGDSTRFSHSGRISGVMSHAMMHOUMLESVLMCNLSUALTECLWESMARYMCNEOAKHSBCHSHRVSIHSSJB1TALLTHHRTONY
Relative station positions (plotted from lat/lon, no basemap).
Station IDLat, LonNGS links
1LSU30.4074, -91.1803Coordinates · Site log
1NSU31.7508, -93.0976Coordinates · Site log
1ULM32.5290, -92.0759Coordinates · Site log
AMER29.4496, -91.3381Coordinates · Site log
AWES30.1003, -90.9830Coordinates · Site log
BVHS29.3368, -89.4064Coordinates · Site log
CALC29.7681, -93.3429Coordinates · Site log
CAMR29.7985, -93.3251Coordinates · Site log
COVG30.4759, -90.0955Coordinates · Site log
DSTR29.9646, -90.3822Coordinates · Site log
FSHS29.8053, -91.5023Coordinates · Site log
GRIS29.2655, -89.9573Coordinates · Site log
GVMS30.3144, -90.9036Coordinates · Site log
HAMM30.5131, -90.4676Coordinates · Site log
HOUM29.5923, -90.7236Coordinates · Site log
LESV31.1425, -93.2690Coordinates · Site log
LMCN29.2550, -90.6613Coordinates · Site log
LSUA31.1788, -92.4123Coordinates · Site log
LTEC32.5167, -92.6533Coordinates · Site log
LWES29.9004, -90.3494Coordinates · Site log
MARY30.0230, -89.9130Coordinates · Site log
MCNE30.1806, -93.2177Coordinates · Site log
OAKH30.8155, -92.6570Coordinates · Site log
SBCH29.8681, -89.6732Coordinates · Site log
SHRV32.4277, -93.7046Coordinates · Site log
SIHS31.8434, -91.6554Coordinates · Site log
SJB130.3961, -91.1072Coordinates · Site log
TALL32.4003, -91.1830Coordinates · Site log
THHR30.5294, -92.0806Coordinates · Site log
TONY30.2214, -92.0451Coordinates · Site log
  • Download: daily RINEX files (a standard GPSThe US satellite navigation system. People often use "GPS" to mean all satellite positioning.More file type) at geodesy.noaa.gov/corsdata/rinex/YYYY/DDD/ssss/ or the AWS mirror. Custom time spans are available from UFCORS.
  • How often it records: after 30 days, NGS thins daily files to one reading every 30 seconds. Full-rate data is available from NOAA NCEI CLASS.
  • Set your own base: OPUS. See our OPUS how-to.
PPK how-to →OPUS how-to
Source: NGS CORS data access · station list from NGS ITRFInternational Terrestrial Reference Frame. A worldwide datum. In the US it's about a meter different from NAD 83.More coordinate file (Oct 14, 2026).

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