His design uses a Low-Noise Amplifier between the Venus634FLPx GPS receiver and the antenna. After populating the board he was getting no satellite fix. He tried replacing the antenna ...

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

Wonder not, because [Tom Verbeure] gifts us a post detailing a mod letting a fancy active GPS antenna use a higher-than-expected input voltage. [Tom]’s post has the perfect amount of detail ...