AST Reiterates Its Use of 430-440 MHz to be Limited
AST SpaceMobile is clarifying to the FCC that its activities in the 430-440 MHz band will be limited largely to emergencies when other frequency bands are unavailable. In a letter Friday to the agency's Space Bureau, it said the one…
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exception is its FM-1 satellite, in which it will use 430-440 MHz for emergencies; for telemetry, tracking and control; and for launch and early orbit operations. It told the commission much the same earlier this month (see 2508060048). AST is seeing pushback from amateur radio interests to its request to use the band since they also use parts of it (see 2507210031). Pointing to an interference analysis it submitted, AST said it's "extremely unlikely" there will be interference to ham radio operations in the 430-44 MHz band.