The amateur radio OFDM protocol has been upgraded with MAC and LLC sublayers, enabling full-duplex communication and supporting 16-QAM and 32-QAM modulation for improved data rates.
A new method for coherent CPFSK demodulation on ARM Cortex-M microcontrollers enables real-time signal processing with a dynamic range of 183 dB.
A radio amateur has developed a custom antenna rotator featuring a VAZ-2107 parking brake locking mechanism and automated positioning via UR5EQF_Log software integration.
The Soviet-era Elektronika 26-01 radio features a rare frequency synthesizer, and technical documentation reveals how its internal chips can be modified for modern use.
The U.S. House of Representatives has passed a bill requiring all new vehicles to be equipped with AM radio as a standard feature without extra costs.
The US House of Representatives has passed a bill requiring all new vehicles to include AM radio as a standard, no-cost feature to ensure public safety during emergencies.
The U.S. House of Representatives has approved legislation requiring automakers to include AM radio in new vehicles at no additional cost.
