type: timeline_event
FCC Chairman Brendan Carr initiated an official inquiry into EchoStar's Mobile Satellite Services (MSS) spectrum utilization after SpaceX challenged the company's license compliance. SpaceX alleged EchoStar was using less than 5% of its allocated spectrum, potentially setting the stage for license reallocation. This inquiry coincided with broader FCC efforts to optimize spectrum efficiency and promote 5G and satellite communication infrastructure.