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 ...
FMIBlog

Global SAW Filter Market Accelerates with 5G Expansion, IoT Growth, and Rising Smartphone Demand

The SAW filter market is likely to grow from USD 6.2 billion in 2025 to USD 15.23 billion by 2035, representing substantial ...
IEEE

Partial Discharge Behavior of High-Frequency Transformer Insulation Under High-Voltage PWM Stress

Abstract: As the voltage levels of solid-state transformers (SSTs) increase using medium-voltage switches, high-frequency transformers (HFTs) used inside SSTs are subjected to increased electrical ...

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 ...
What Hi-Fi? on MSN

What is high-resolution audio? And is hi-res music worth it?

Hi-res audio is the pinnacle for digital music fans, but what is it, how can you get it, and what kit do you need to listen ...

Quantum radio antenna uses Rydberg states for sensitive, all-optical signal detection

A team from the Faculty of Physics and the Center for Quantum Optical Technologies at the University of Warsaw has developed ...
IEEE

A Novel SOGI-PLL Incorporating Adaptive Synchronous Frequency Extraction Filter for SPMSM High-Precision Position Estimation

Abstract: High-frequency signal injection sensorless algorithms have been widely studied and used for rotor position estimation in permanent magnet synchronous motors (PMSMs) at low speeds or ...