Docket 25-157: Modernizing spectrum sharing for satellite broadband

SB Docket 25-157 is the FCC proceeding on modernizing spectrum sharing for satellite broadband. Tidbits from filings by Amazon, SpaceX and Astranis, including the dispute over GSO reference links.

• Astranis tells the FCC it could not reproduce SpaceX's numbers on two of its GSO reference linksFCC ECFS · SB Docket 25-157 · Letter · 2026-09-30
• SpaceX tells FCC that zero of Viasat's 657 proposed reference links pass the screening criteriaFCC ECFS · SB Docket 25-157 · Reply comments · 2026-07-14
• Amazon says the FCC is splitting satellite spectrum by rules written when Ka-band was 'in its infancy'FCC ECFS · SB Docket 25-157 · Letter · 2026-01-29

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