Abstract: A radio interferometer capable of azimuth-elevation direction finding for geosynchronous satellites has been developed. The interferometer has two small-diameter antennas and four movable ...

We propose a millimeter-wave space–time-coding digital metasurface (STCM) to realize simultaneous in situ direction finding and field manipulation. An analytic method of direction finding is first ...

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One of the most important aspects of signing a player to a new contract is estimating how he will age. It’s also the hardest ...

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With few exceptions, amateur radio is a notably sedentary pursuit. Yes, some hams will set up in a national or state park for ...