and has a plan to map microwave relay links. If you’ve ever seen a dish or other highly directional antenna on top of a cell phone tower, you’ve seen this sort of thing before. [Oona] is ...

In 1947, KDKA had built a 500-foot tower below Sugar Top near the University of Pittsburgh sports complex. It was far enough ...

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Abstract: A method of double-frequency modulation suitable for long-distance transmission of multichannel signals by means of radio-relay stations is described. Propagation, radio-frequency bandwidth, ...

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen ...

are described. The effect on the received signal of changes in the index of refraction of the atmosphere are discussed, and means are suggested for minimizing signal variations with particular regard ...

Before today, we probably would have said that scratch-built relay computers were the sole domain of only the most wizardly of graybeards. But this impressive build sent in by [Will Dana] shows ...

Bentley did have some good news about an unrelated tower equipment failure at another communications tower, this one in Hertel. He said a county emergency tower experienced a “catastrophic failure” on ...

Sanofi S.A. Part Cert 0.02% €8.03M ...

In January, sea ice severed a fiber-optic cable running along the floor of the Beaufort Sea several miles off the North Slope. The line is a key piece of Northwest Alaska's broadband infrastructure, ...