Abstract: This letter presents a 300-GHz-band power amplifier (PA) module implementing a PA integrated circuit (IC) fabricated in 250-nm indium phosphide (InP) double-heterojunction bipolar transistor ...

Add Yahoo as a preferred source to see more of our stories on Google. A new train signalling system has been installed in Carlisle [Network Rail] A £61m project to upgrade a train signalling system ...

A £61m project to upgrade a train signalling system has been completed, on a route which is undergoing a series of upgrades. The Kingmoor resignalling project on the West Coast Main Line at Carlisle, ...

A new train signalling system has been installed in Carlisle [Network Rail] A £61m project to upgrade a train signalling system has been completed, on a route which is undergoing a series of upgrades.

Motorists will have to obey stop signs for the foreseeable future on Greensburg’s Main Street after a traffic light blew over in high winds last month. Superintendent of streets Tom Bell said the mast ...

Dolphins coach Mike McDaniel is planning to return for the 2026 season to improve over 7-10 season in 2025. Owner Stephen Ross has a history of interest in both John Harbaugh and his brother, Jim.

The global solar industry is facing renewed cost pressures as raw material prices climb, signaling higher solar module costs in early 2026. Analysts point out that inflation is affecting not only ...

Abstract: In this paper, the design of the excitation signal module of pulsed eddy current testing system was designed. The pulse waveform signal excitation module with adjustable parameters was ...