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The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
An antenna tower consisting of a fixed phase collinear antenna array with four elements
An antenna tower consisting of a fixed phase collinear antenna array with four elements
US PAVE PAWS active phased array ballistic missile detection radar in Alaska. Completed in 1979, it was one of the first active phased arrays.
US PAVE PAWS active phased array ballistic missile detection radar in Alaska. Completed in 1979, it was one of the first active phased arrays.
Closeup of some of the 2677 crossed dipole antenna elements that make up the plane array. This antenna produced a narrow "pencil" beam only 2.2° wide.
Closeup of some of the 2677 crossed dipole antenna elements that make up the plane array. This antenna produced a narrow "pencil" beam only 2.2° wide.
Active Phased Array Radar mounted on top of Sachsen-class frigate F220 Hamburg's superstructure of the German Navy
Active Phased Array Radar mounted on top of Sachsen-class frigate F220 Hamburg's superstructure of the German Navy
"Rabbit ears" dipole variant for VHF television reception
"Rabbit ears" dipole variant for VHF television reception
Two-element turnstile antenna for reception of weather satellite data (has circular polarization) at 137 MHz
Two-element turnstile antenna for reception of weather satellite data (has circular polarization) at 137 MHz
Vertically mounted biconical (dipole) antenna
Vertically mounted biconical (dipole) antenna
DIY "butterfly" antenna for TV signals, a flattened biconical
DIY "butterfly" antenna for TV signals, a flattened biconical