The uptick indicates that there’s no going back to a world without disruption hotspots. And that, combined with humans’ ...

During some years in the 1960s and 1970s, thousands of evening grosbeaks visited Pennsylvania, often in flocks of 50 or more.

Carrier synchronization, Mark Persons writes, can be applied to alleviate co-channel interference between two AM radio ...

Abstract: This article proposes transmitter coils selection method for maximum power transfer efficiency in the wireless power transfer (WPT) system with multiple transmitter coils and a single ...

Licensed to Goodland, KLOE (AM) broadcasts on 730 kHz with 1 kW daytime and 20 watts at night. It transmits from a single ...

PowerLight Technologies has completed development and testing of a new wireless power system that uses lasers to recharge ...

Almost 102 years after ABC radio first hit the airwaves, Perth listeners will experience a major improvement in audio quality when the network's three AM stations move to FM in 2026. The long-awaited ...

Abstract: This paper presents a 2×14bit cartesian Direct Digital RF Modulator (DDRM) in 28nm CMOS. Both AM and PM calibration circuits are introduced to relax matching requirements of the DDRM units ...