the pattern of the antenna can be easily steered without a rotary joint. To demonstrate this concept, a rotary-joint-free H-plane horn antenna is designed, and its performance is predicted using EM ...

The satellite is linked to ground stations, and the airplane connects using a satellite antenna on the top of the aircraft. A plane will use whichever satellite is nearest as it travels ...

Abstract: A compact printed planar antipodal Vivaldi antenna (AVA) array with high gain is presented. First, a novel method based on adding line-type defected ground structures (DGSs) between adjacent ...

“This was a clear night last night. The helicopter was in a standard pattern. The American Airlines flight coming in to land was in a standard flight pattern. This was not unusual,” he sai ...

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