the homebrew receiver is up and running. It’s an impressive and incredibly detailed piece of work which is usually the case with sensitive radio equipment like GPS. Here’s another one built on ...

While a GPS receiver is usually good for meters of accuracy, this just isn’t good enough for a lot of projects. What you need is centimeter-level accuracy, something the guys have managed to ...

For the case of the GPS, v is the speed of the radio wave from the satellite which is equal to the speed of light c, which is approximately: In both the satellite and the receiver there is a clock.