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What We Do At C4G
Take a Peek Behind the Curtin and see what we have Accomplished at C4G

Study of Gravity
C4G Measures Absolute and Relative Terrestrial Gravity

Outreach
All C4G Outreach Events are Recorded and Archived on YouTube so you can view on demand. Topics cover NSRS, Height Modernization, Remote Sensing, Surveying, GNSS, Real-Time Networks and more…

Real Time Network Portal
Our RTN portal supports users of C4Gnet.XYZ and also provides access to our free statewide Online Processing service.
C4G Proudly Supports Our Partners
Looking for Real-Time Corrections?
C4G is the host of C4Gnet.XYZ, Louisiana’s Statewide Reference Network.
Call us at (225) 328-8976 or simply
What Users of Our Services Say
“The customer service that you provided was excellent. You provided all of the necessary connection data in a timely manner. When my survey crew arrived on our site in New Orleans they were able to connect without any problems. I had them check into two NGS monuments and the accuracy results were within our tolerance. I have to say our experience using your network was excellent and I would definitely recommend it to other surveyors.” –
“Last week I was in Lake Charles down to Cameron, this week I’ve been from Belle Chase to New Orleans and today in north of Baton Rouge. This system has worked flawlessly. Yesterday was a 13000 point topo on a levee and today I’m shooting single geo borings, this would have been a 4-5 day job the old RTK way.” –
“It’s a no-brainer! You get the increased efficiencies and confidence for a fraction of the cost of even an entry-level field hand. It doesn’t take much business sense to figure that one out.” –

















