RTKsub
Real-time RTK corrections via NTRIP for drones, surveying, farming and construction. 22,000+ base stations in 170+ countries. Try it free for 30 days.
A startup from Soest, the Netherlands.
Real-time RTK corrections via NTRIP for drones, surveying, farming and construction. 22,000+ base stations in 170+ countries. Try it free for 30 days.
A startup from Soest, the Netherlands.
This page is designed to help you find out whether RTKsub is good and if it is the right choice for you.
RTKsub is an RTK correction service for centimeter-level GNSS positioning. It streams corrections via NTRIP from the GEODNET network, with 22,000+ base stations in 170+ countries. It works with any receiver, drone or machine that has an NTRIP client. Monthly and annual plans, Enterprise plans for fleets, and a free 30-day trial without a credit card.
Features
RTKsub is a brand of Freshminers B.V., based in Soest, the Netherlands.
Listed in
Network
22,000+ GEODNET base stations in 170+ countries
Accuracy
Typically 1 to 2 cm under good conditions
Compatibility
Any receiver, drone or machine with an NTRIP client
GNSS constellations
GPS, Galileo, GLONASS and BeiDou
Mountpoint AUTO
Connects to the nearest base station automatically
Free trial
30 days, no credit card needed
Plans
Monthly, annual and Enterprise for fleets
RTKsub runs on one network only: GEODNET, with 22,000+ base stations in 170+ countries. The same subscription works wherever the network has coverage, at home or abroad. Mountpoint AUTO connects your receiver to the nearest base station, so there is no need to look up mountpoints. You can try it free for 30 days without a credit card, and the monthly plan can be cancelled any time.
You know where your corrections come from. Every connection runs on GEODNET, not on a mix of networks. Setup takes minutes with step-by-step guides per device, and the RTKgpt assistant answers questions day and night. Behind it is a small team from the Netherlands that uses RTK in its own field work. Plans are clear, and you can test everything on your own equipment first with a free 30-day trial.
Drone pilots who map and inspect, land surveyors, contractors and machine operators in construction and groundworks, farmers who use GPS guidance, and teams building robots and autonomous vehicles. In short: anyone with a receiver that has an NTRIP client and needs positions to the centimeter.
RTKsub started in August 2025 in Soest, the Netherlands. Founder Wilko van Dorresteijn runs a fourth-generation groundworks company and flies drones commercially, so precise positioning is part of his daily work. Together with his business partner he set up RTKsub on the GEODNET network to offer RTK corrections the simple way: one network, one subscription, a free trial and a monthly plan you can cancel any time. Today RTKsub serves drone pilots, surveyors, farmers and contractors in many countries.
Corrections come from the GEODNET network of GNSS base stations and are streamed over NTRIP as RTCM 3 messages, covering GPS, Galileo, GLONASS and BeiDou. Customers connect to ntrip.rtksub.com and manage their subscription on rtksub.com. RTKgpt, our assistant trained on the RTKsub documentation, helps with setup and troubleshooting.
We have collected here some useful links to help you find out if RTKsub is good.
Check the traffic stats of RTKsub on SimilarWeb. The key metrics to look for are: monthly visits, average visit duration, pages per visit, and traffic by country. Moreoever, check the traffic sources. For example "Direct" traffic is a good sign.
Check the "Domain Rating" of RTKsub on Ahrefs. The domain rating is a measure of the strength of a website's backlink profile on a scale from 0 to 100. It shows the strength of RTKsub's backlink profile compared to the other websites. In most cases a domain rating of 60+ is considered good and 70+ is considered very good.
Check the "Domain Authority" of RTKsub on MOZ. A website's domain authority (DA) is a search engine ranking score that predicts how well a website will rank on search engine result pages (SERPs). It is based on a 100-point logarithmic scale, with higher scores corresponding to a greater likelihood of ranking. This is another useful metric to check if a website is good.
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