It is important for amateurs to submit comments regarding the use of the amateur 430-440 MHz bands by a commercial satellite operation. Comments may be submitted on-line–the information is shown below.
SPACE BUREAU ACCEPTS FOR FILING AST & SCIENCE, LLC MODIFICATION
APPLICATION
SB Docket No. 25-201
ICFS File No. SAT-MOD-20250612-00145
Comment Date: July 21, 2025
Reply Comment Date: August 5, 2025
This application is accepted for filing for TT&C in the 430-440 MHz (space-to-Earth and Earthto-space), 2025-2110 MHz (Earth-to-space), and 2200-2290 MHz (space-to-Earth) bands and the 45.5-47
GHz (Earth-to-space) band. The Space Bureau does not at this time accept for filing AST’s request for
operations other than TT&C.
Comments may be filed electronically using the Internet by accessing the ECFS, https://www.fcc.gov/ecfs, and ICFS, https://fccprod.servicenowservices.com/icfs.