Our two favorite running watches should get new models in the next couple of months, but how many new ideas does Garmin have ...

Have you ever wondered how GPS antennas work? In particular, how do active GPS antennas get power down the same wire that they use to send signal to the receiver? Wonder not, because [Tom Verbeure ...

Engineers often turn to VNAs to measure the return-loss characteristics of an antenna, but they must be used carefully ...