Wireless Joint

Since Cellmapper is driven by a database of user contributions, there are sometimes gaps in the coverage where you would like to see more.

You could certainly drive around with a T-Mobile phone with the Cellmapper app on, and then contribute your own datapoints, and [after a delay] the local T ...

bcd1975, forgive me if you already knew this, but the download is a .RAR file, and you have to extract the contents first, before using WinSCP. I just downloaded it and it extracted fine.

If you don't have a RAR extractor, RarZilla is free (and of course there are many others):
https://download ...