TECHNICAL Category

Content related to the activities of the RRRA Technical Committee and the equipment/systems they maintain, along with technical topics of general interest.

AST SpaceMobile Lays Claim to 430-440 MHz and 902-928 MHz...

for Commercial Satellite Communications in FCC Filing.

This may well be the most significant challenge to date to one of Amateur Radio’s most popular bands. It’s particularly significant for Amateur Radio space communications, as that usage directly competes with this company’s use case — satellite communications.

In DA 25-532, released 2025-06-20, the FCC Space Bureau has accepted a filing from AST SpaceMobile to conduct Telemetry, Tracking, and Command (TT&C) in both space-to-Earth and Earth-to-space communications modes in 430–440 MHz. In the document, AST SpaceMobile is referenced as AST & Science, LLC (AST).

Hams in the Park

The July RRRA Meeting will be our 3rd annual “Hams in the Park” event; it’s a Ham Radio show and tell!

Enjoy an interactive experience, eyeball QSOs, and some dessert; no club business will be be discusssed at this meeting!

⚠️ Please RSVP to the by Friday, July 11, 2025, so that we have enough dessert!