Louisiana RTK Correction Service

Q: What coordinate systems does Louisiana use for surveys?

Louisiana uses three State Plane zones -- North (FIPS 1701), South (FIPS 1702), and Offshore (FIPS 1703) -- all on the Lambert Conformal Conic projection in US survey feet, referenced to NAD83(2011). The state spans UTM Zones 15N and 16N. RTKdata corrections work with any coordinate system configured in your receiver or field software.

RTKdata delivers 1-2 cm RTK corrections across Louisiana via NTRIP (RTCM3), connecting GNSS receivers to 20,000+ reference stations with sub-second latency. No base station needed. One subscription covers every parish from Caddo to Plaquemines. 30-day free trial included.

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RTK Precision

2 cm

10 cm

How to Connect to RTKdata in Louisiana

Works with Trimble, Leica, Topcon, Emlid, u-blox, Septentrio, and any RTCM v3 receiver.

Choose a Plan

Pick a monthly or annual subscription, or activate the free 30-day trial. Run corrections on your Louisiana project sites — an offshore platform jacket survey in the Gulf, a levee cross-section along the Mississippi, or a sugarcane field near New Iberia — before committing to a paid plan.

Enter NTRIP Credentials

Add the server address, port, and mountpoint to your rover or field controller. Compatible with Trimble, Leica, Topcon, Emlid, u-blox, and Septentrio receivers.

Verify FIX

Confirm a fixed RTK solution on your device. Louisiana’s flat delta terrain and open coastal marshes provide strong satellite geometry, while dense station spacing compensates for tropospheric delays common in Gulf humidity and afternoon thunderstorms.

Why Louisiana professionals choose RTKdata

Accuracy

1-2 cm horizontal, 2-3 cm vertical under open sky. Multi-constellation RTCM 3.x corrections via NTRIP perform across Louisiana's coastal marshes, Mississippi River floodplain, Atchafalaya Basin swamp, and north Louisiana's Piney Hills.

Speed

RTK FIX in seconds at any Louisiana site. A single NTRIP mount point covers the entire state with no manual base switching. Field crews maintain pace during short weather windows between Gulf storm systems.

Availability

99.99% NTRIP endpoint uptime over a rolling 12-month period. Monitored around the clock for uninterrupted real-time streams during Louisiana's hurricane season and subtropical rain events.

Coverage

Stations serving New Orleans, Baton Rouge, Shreveport, Lafayette, Lake Charles, Houma, and Monroe. Neighboring states Arkansas, Mississippi, and Texas connect through the same network for cross-border corrections.

Industries Using RTK Corrections in Louisiana

Louisiana’s offshore energy infrastructure in the Gulf of Mexico, the busiest port complex in the Western Hemisphere, rapid coastal land loss, and subtropical agriculture create sustained demand for centimeter-level RTK positioning.

Offshore Oil Platform and Subsea Pipeline Surveys

Louisiana's Gulf of Mexico waters contain over 1,800 active offshore platforms and 27,000 miles of subsea pipeline (BSEE). RTK-enabled GNSS positioning guides platform jacket placement, topside module installation, subsea pipeline route surveys, and crew boat navigation. Corrections transmitted via satellite relay to offshore rovers maintain centimeter positioning where cellular NTRIP is unavailable, and onshore tie-in surveys along the Fourchon and Port Sulphur corridors use standard NTRIP connections.

Port of South Louisiana and Mississippi River Navigation

The Port of South Louisiana handles over 300 million short tons annually, making it the largest tonnage port in the Western Hemisphere (Port of South Louisiana). RTK positioning supports dock fender surveys, grain elevator foundation monitoring, barge fleeting area layout, dredge guidance for maintaining the Mississippi River Ship Channel at 50-foot depth, and crane rail alignment across the 54-mile port district between Baton Rouge and St. Rose.

Sugarcane Harvest Guidance and Crawfish Aquaculture

Louisiana produces roughly 40% of U.S. sugarcane, concentrated in the Bayou Teche and lower Mississippi corridor parishes (USDA NASS). RTK auto-steer directs cane harvesters along narrow rows in soft alluvial soils where wheel ruts reduce yield. In rice-crawfish rotation fields across Acadia, Vermilion, and Cameron parishes, centimeter grading maintains the precise water depth control that crawfish ponds require.

Coastal Wetland Restoration and Land Loss Monitoring

Louisiana loses approximately 25 square miles of coastal land each year to subsidence, saltwater intrusion, and storm erosion (CPRA). The Coastal Protection and Restoration Authority manages over $50 billion in restoration projects including barrier island rebuilding, marsh creation with dredged sediment, and Atchafalaya Basin diversions. RTK positions survey control for sediment placement, elevation monitoring transects, and tide gauge benchmarking across the coastal zone.

LNG Terminal Construction at Sabine Pass and Cameron

Cameron Parish hosts three of the largest LNG export terminals in North America -- Sabine Pass (Cheniere), Cameron LNG (Sempra), and Venture Global's Plaquemines LNG under construction (DOE). These multi-billion-dollar facilities require RTK for tank foundation surveys, cryogenic piping rack alignment, marine jetty construction, and approach channel dredging. Construction crews work in marshy, low-elevation sites where traditional benchmarks are unstable.

Post-Katrina Levee System and Flood Protection Surveys

The U.S. Army Corps of Engineers operates the Hurricane and Storm Damage Risk Reduction System protecting Greater New Orleans -- 350 miles of levees, floodwalls, pump stations, and the $1.1 billion Inner Harbor Navigation Canal Surge Barrier (USACE New Orleans District). Annual embankment settlement monitoring, floodwall cap elevation surveys, and pump station foundation assessments require consistent centimeter accuracy referenced to NAVD88.

RTKdata vs Other RTK Networks in Louisiana

Compare pricing, coverage, and compatibility across regional RTK providers.

Criterion	RTKdata	LOSN (UL Lafayette)	Point One Polaris	Skylark	Trimble VRS Now	Leica SmartNet
Price / mo	$40/mo	Free (limited academic)	$150/mo	$69/mo	~$150/mo	No public information
Price / yr	$400/yr	N/A	$1,500/yr	$699/yr	~$1.5-2.0k/yr	No public information
Free trial	30 days (auto-ends)	N/A	14 days	Varies	Varies	Varies
Global coverage	20,000+ stations, 140+ countries	LA only (~30 stations)	2,000+ stations	Regional US/EU	5,300+ worldwide	5,100 worldwide
Activation	Instant, self-service	Academic/agency request	Self-service	Self-service	No public information	No public information
Hardware lock-in	None — any RTCM3	None	None	None	Trimble-optimized	Leica-optimized

Last updated: March 30, 2026. Competitor pricing verified from provider websites where available. LOSN station count from UL Lafayette Louisiana Spatial Reference Center.

Frequently Asked Questions

Which RTK network covers every parish in Louisiana including offshore Gulf waters?

RTKdata provides NTRIP corrections across all 64 Louisiana parishes with 99.99% endpoint uptime. Coverage extends into the Gulf of Mexico for tie-in surveys at platform approaches and onshore pipeline landfalls. Subscriptions start at $40 per month with a 30-day free trial.

How does the LOSN network compare to RTKdata for Louisiana surveys?

LOSN, operated by the Louisiana Spatial Reference Center at UL Lafayette, maintains approximately 30 CORS stations primarily for academic and agency use. RTKdata connects to 20,000+ stations worldwide, offers instant self-service activation, maintains a 99.99% uptime SLA, and provides corrections across all neighboring states — starting at $40 per month.

Do I need a local base station for RTK in Louisiana's coastal marshes?

No. RTKdata generates network corrections from surrounding reference stations, eliminating the need to transport a base into marsh terrain where stable tripod setup points are scarce. Corrections maintain centimeter accuracy across both firm ground and soft delta soils.

Can I get RTK corrections on offshore platforms in the Gulf of Mexico?

Corrections stream to any device with a cellular or satellite internet connection. On platforms within cell range of the Louisiana coast (roughly 30-50 miles), standard NTRIP over LTE works. Beyond that range, satellite relay or VSAT links deliver RTCM3 data to the rover.

Which GNSS receivers connect to RTKdata in Louisiana?

Any receiver supporting RTCM v3 over NTRIP connects without modification. This includes Trimble, Leica, Topcon, Emlid, u-blox, and Septentrio equipment — whether mounted on a survey rod, a marine vessel, an auto-steer cane harvester, or a drone.

What coordinate systems does Louisiana use for surveys?

Louisiana uses three State Plane zones — North (FIPS 1701), South (FIPS 1702), and Offshore (FIPS 1703) — all on the Lambert Conformal Conic projection in US survey feet, referenced to NAD83(2011). The state spans UTM Zones 15N and 16N. RTKdata corrections work with any coordinate system configured in your receiver or field software.

Does RTKdata support CPRA coastal restoration survey requirements?

RTK corrections provide the centimeter accuracy required for marsh creation elevation monitoring, barrier island cross-sections, and sediment diversion channel surveys. Corrections reference NAD83(2011), consistent with CPRA and USACE survey control specifications.

Deliver centimeter accuracy across all 64 Louisiana parishes

From offshore platform surveys in the Gulf of Mexico to levee monitoring along the Mississippi River and sugarcane guidance in the Teche country, RTKdata provides centimeter-level GNSS corrections through a single NTRIP connection. Set up in minutes with any compatible receiver and start your free 30-day trial today.