[OSM-talk] Affordable 1 CM high precision GPS.

[Mike N.]

On 5/9/2024 5:33 AM, Florian Lohoff wrote:
> At least in Germany we have a grid of Basestations which offer their
> RTCM 3.1/3.2  Data via NTRIP which is called SAPOS. As there are huge
> differences between different states at least in some of them its for
> Free.
When I last looked 5 years ago, the only free option for me in SC, USA 
has a base station 54 miles away.  Although way outside of the 
recommended distance, I use their NTRIP feed for a significant increase 
in accuracy and precision.