SpaceX Submits NGSO Systems Compatibility Technical Study

The best way of measuring short-term interference between non-geostationary orbit satellite systems is by looking at the absolute change in link availability, rather than a relative change in unavailability, according to SpaceX. In a docket 21-456 filing Monday, it submitted a 42-page technical study of spectrum sharing among NGSO systems that it said could help inform the FCC in setting a framework for assessing compatibility of earlier and later processing round satellite systems. It said 99% link availability without the interferer should be treated as the minimum benchmark for an efficient, well-designed NGSO system that warrants levels of protection without unduly empowering inefficient earlier-round systems.