So a raspi with a USB GPS dongle in a known location should be able to act as a DGPS over IP base station, right? In theory, yes. In practice… fail. The hardware for a complete DGPS system is ...

It’s great if you want to set up a few base stations at Burning Man and hand out SIM cards like ecstasy, but GSM has encryption. You won’t be able to decrypt every GSM signal this system can ...

A fixed station that uses radio waves to communicate with mobile devices. It serves as the link between the user's device and the carrier's network. Base stations range in size and area of coverage.

They comprise an air interface between the user's mobile device and the base station and two core networks; one for circuit-switched voice and another for packet-switched data. In the subsequent ...