Here is GE’s 100 kW “Big Bertha” transmitter installed at KWID at Islais Creek in San Francisco. An adjacent concrete vault held the transmitter’s massive transformers and water cooling system. KWID ...

Ampegon Power Electronics highlights progress on the company’s third-generation solid-state shortwave transmitters, which it says will offer “significant advances in efficiency.” The company says this ...

A fully solid-state shortwave transmitter line with integrated DRM is being launched. Ampegon’s low power solid-state transmitter line ranges from 1.5 kW to 25 kW AM carrier power, and the company ...

From 1932 until long after the sun set on the British empire, the BBC World Service--with its sonorous and reassuring “This is London” at the top of each hour--was heard around the globe via shortwave ...

This low-cost short-wave transmitter is tunable from 10 to 15 MHz with the help of ½J gang condenser VC1, which determines the carrier frequency of the transmitter in conjunction with inductor L1.

The Minister of Information and National Orientation, Mohammed Idris, on Tuesday, flagged off the contract for the restoration of the Voice of Nigeria’s shortwave transmission. The project, according ...

The Minister of Information and National Orientation, Mohammed Idris, yesterday flagged off the contract for the restoration of the Voice of Nigeria’s shortwave transmission. The project, according to ...

The federal government has commenced the restoration of the Voice of Nigeria (VON’s) shortwave transmission. The initiative is part of meaures to revitalise Nigeria’s broadcasting infrastructure. The ...