Oct. 16, 2017
Portions of Ligado’s spectrum sits next to spectrum used for GPS systems. Private and publicly-funded studies demonstrated significant interference problems, resulting in a 2011 FCC decision to block the earlier plans of Ligado, sending its predecessor into bankruptcy. Subsequently, Ligado has granted some concessions to several larger GPS players, but numerous objections from the GPS and aviation communities, among others, remain. Interference studies continue to show significant interference problems resulting from Ligado’s current proposal…