The Sky's The Limit - The Global Positioning System (GPS)101 <<Safer,Smarter,Confident Pilots>> #SmartPilotLikeToLearn The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radionavigation system owned by the United States ...
![Characterization of on-orbit GPS transmit antenna patterns for space users | NAVIGATION: Journal of the Institute of Navigation Characterization of on-orbit GPS transmit antenna patterns for space users | NAVIGATION: Journal of the Institute of Navigation](https://navi.ion.org/content/navi/67/2/411/F1.large.jpg)