AST SpaceMobile and 430-440MHz
The prospect of a USA constellation of 248 commercial satellites that would use 430-440MHz for wideband control and telemetry, has prompted an unprecedented international response from the amateur community:-
- FCC: Public Notice re AST Application – 20-June-2025
- RSGB: Response & Comments – 21-Jul-2025
- IARU: Statement and Position – 18-Jul-2025
- ARRL: News item and Initial Response – 22-Jul-2025
The FCC Electronic Comment Filing System received a total of well over 2400 responses, including from a dozen IARU Member Societies, as well as Amsat groups, ARISS etc
Note: The primary deadline for comments was 21-July-2025, with follow-on responses to comments by 5-Aug-2025, which included:
- ARRL: Reply Comments
- AST: Consolidated Response
- IARU: Update – 9-Sep-2025
Category: Spectrum Forum Papers and Consultations











