SpaceX's classified Starshield satellites are broadcasting on restricted frequencies

The downlink activity was first detected not by a government agency, but by Scott Tilley, an amateur satellite tracker in British Columbia known for uncovering signals ...

SpaceX's Starshield satellites are reportedly transmitting signals on unauthorized frequencies

SpaceX's first major Starshield project was a $70 million contract with US Space Force in 2023. More recently in 2024, there were reports that SpaceX's Starshield division had been tasked with ...

NATO Tests ‘Unjammable, Undetectable’ Laser Comms at Sea—and It Worked

According to Astrolight, POLARIS is a “small, gimballed free space optical (FSO) communication solution for large naval ...

SpaceX’s Secret ‘Starshield’ Satellites Caught Using Unauthorized Frequencies

Scott Tilley, an amateur satellite tracker in Canada, accidentally detected space-to-Earth emissions on a radio frequency ...
KJZZ

A classified network of SpaceX satellites is emitting a mysterious signal

An amateur satellite tracker stumbled across the signal which is coming from Starshield satellites in a "hidden" part of the ...
IEEE

Frequency Matters: On the Impact of Carrier Frequency on Privacy in Radio Fingerprinting

Abstract: Radio Frequency Fingerprinting (RFF) relies on unique inherent imperfections in radios’ hardware to authenticate devices based on Radio Frequency emissions. In this letter, we consider that ...
IEEE

Robotic Compliant Assembly Strategy for Radio Frequency Connectors With Initial Positioning Errors

Abstract: Robotic assembly shows great potential compared with manual assembly in repeat tasks because of its efficiency. However, for components like Radio Frequency (RF) connectors, their complex ...
Cybernews

Beginner's guide to software-defined radio for SIGINT

SDR is a radio communication system in which software, rather than expensive hardware, performs key signal processing tasks, ...