Santa Net is an annual December event where licensed amateur radio operators use RF and EchoLink technology to connect children with Santa Claus on the airwaves.

Abstract: Directional antennas have been widely used in unmanned aerial vehicle (UAV) communications to improve the transmission efficiency. For a UAV mounted with directional antennas, its tilting ...

Amateur radio license exams typically have a question about the bandwidths taken up by various modulation types. The concept behind the question is pretty obvious — as guardians of the spectrum, ...

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November marks 25 years of human presence aboard the International Space Station, a testament to international collaboration ...

Min Read November marks 25 years of human presence aboard the International Space Station, a testament to international ...