New user - confused by Base mode

[dmitriy.ershov]

Then it is absolutely fine to have a base where you booted the receiver.

I’d recommend checking “What is VRS” part of this article:

What Is NTRIP and How to Use It for RTK with Reach?

To perform an accurate RTK survey, you usually need a rover and a base that transmits the corrections in real-time. You can either use your own base or a remote one using a technology called NTRIP. What Is NTRIP The Networked Transport of RTCM via Internet Protocol or NTRIP network was developed by the German Federal Agency for Cartography and Geodesy in 2004. NTRIP allows your rover to accept corrections over the Internet with no need for the second local receiver acting as a base. NTRIP in…

It gives a super simple explanation of how it works