An amateur radio repeater used to be a complex assemblage of equipment that would easily fill a 19″ rack. There would be a receiver and a separate transmitter, usually repurposed from commercial ...

The trick is to make sure to place one repeater before you’ve entirely lost the radio signal from the previous one, of course. But the APRS Cave-Link project got one mile’s worth of ...

Both types of devices can overcome signal-blocking impediments such as mountains, large buildings, structures that obstruct base station signals, or the distance to the base station. RF repeaters are ...

Historical railway equipment has been saved from the scrap heap by three groups of enthusiasts. The items have been rescued ...

A railway signal box has been dismantled by engineers to start a new life 330 miles (531km) away. The structure in the village of Wye, in Kent, is no longer needed by Network Rail. Instead ...

For as little as $20, a Wi-Fi extender will boost your internet signal to a specific area without having to buy a whole new setup, and installation is as simple as plugging the extender into an ...

arrested three earthmover operators for damaging railway signal cables while carrying out contract works for local bodies recently. The arrests occurred in the last week of Oct in areas around ...

China Railway Signal & Communication (HK:3969) has released an update. China Railway Signal & Communication Corporation Limited has released its unaudited financial results for the third quarter ...

SpaceX on Sunday successfully “caught” its “Super Heavy” booster on its first attempt during a flight test, a first for the company and its most powerful spacecraft. Starship lifted off ...