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The International Amateur Radio Union has been the worldwide voice of radio amateurs, securing and safeguarding the amateur radio spectrum since 1925. Read more about us →

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FCC Approves AST Space Mobile’s License for Emergency TT&C Operations in the 430–440 MHz Amateur Radio Band Outside the US

On April 21st, 2026, the FCC grant­ed AST Space Mobile per­mis­sion to con­duct emer­gency Teleme­try, Track­ing & Con­trol (TT&C) oper­a­tions out­side the Unit­ed States in the 430–440 MHz ama­teur radio band for all their planned 248 satel­lites. More than 2,500 … Read more â†’

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IARU Position on the Utilization of the 430–440 MHz Amateur Band by AST SpaceMobile Satellite Constellation

AST & Sci­ence LLC (oper­at­ing as AST Space­Mo­bile) cur­rent­ly deploys com­mer­cial satel­lites in Low Earth Orbit that uti­lize spec­trum allo­ca­tions with­in the 430–440 MHz ama­teur and ama­teur satel­lite bands for Teleme­try, Track­ing, and Com­mand (TT&C) oper­a­tions. The satel­lites, des­ig­nat­ed Blue­bird … Read more â†’

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