A portal to NTRIP providers around the world

Looking for RTK corrections? Select your continent below for a detailed list of free and paid providers.

Here is the list of NTRIP casters and RTK service providers in different parts of the world:

North America



South America



Are you wondering what the differences are between paid or free NTRIP providers? check out this page: Paid or Free.

More information on RTK, NTRIP modems, Off the shelf base stations and a glossary are also available.

If you are an public or commercial NTRIP caster or provider and would like to be listed, please contact us using the contact form.