Part 1 was an introduction to the electronic steering of an antenna beam and the Butler matrix; this part continues the investigation.

As a U.S. military contractor, SpaceX sees allowing Chinese ownership as fraught. But it will allow the investment if it ...

Elon Musk’s aerospace giant SpaceX allows investors from China to buy stakes in the company as long as the funds are routed ...

36 Multiple Antenna Selection and Successive Signal Detection for SM-Based IRS-Aided ... Liu, etal 146 Joint Waveform Design and Passive Beamforming for RIS-Assisted Dual-functional ...

On Monday, The Atlantic's editor-in-chief, Jeffrey Goldberg, reported that he had been added to a Signal conversation with Trump administration officials—including Defense Secretary Pete Hegseth ...

Judge Boasberg was criticized by the White House over rulings in another case. Five Cabinet members are facing a federal lawsuit over the use of Signal to coordinate military strikes in Yemen ...

Setting up satellite dishes can be a finicky business. To aid in the alignment of these precision antennas, satellite finders are often used which can display audio and video feeds from the ...

And now, a whole lot more of us know about Signal, a commercial messaging app that is celebrated for its security. If you already use Signal, you may be a Beltway insider, a journalist ...

Washington: Top Trump administration officials used messaging app Signal to share war plans and mistakenly included a journalist in the encrypted chat, spurring calls by Democratic lawmakers for a ...

Free Expression: For all its bold talk, Europe could easily remain economically hidebound, politically divided and militarily weak even as tensions with the U.S. rise dramatically. Photo: Emil ...