GPS is a nifty piece of technology. GPS hardware needs to have a clear view of the sky because it's satellite based, so using your handheld unit can be a problem when the roof of your car is blocking ...

Fig 1. A typical GPS receiver includes several key components, including the RF input, the LNA, a SAW filter, a TCXO, and the GPS RF chip. Fig 2. The key components of the GPS receiver should go under ...