A group of representatives from ATA to GAMA announced Thursday they have formed the “Coalition to Save Our GPS” from the potential threat of interference from 4G broadband signals. The FCC in January granted to LightSquared a waiver that allows the company to build 40,000 ground-based broadband transmission stations if it can demonstrate the stations won’t cause harmful interference. The coalition says the move reverses the process of test first, approve next, and has put forth a series of recommendations to provide “additional safeguards.” More…