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A modern high-gain UHF Yagi television antenna with 17 directors, and one reflector (made of four rods) shaped as a corner reflector Drawing of Yagi–Uda VHF television antenna from 1954, used for analog channels 2–4, 54–72 MHz (U.S. channels).
The whip antenna is a monopole antenna, and like a vertical dipole has an omnidirectional radiation pattern, radiating equal radio power in all azimuthal directions (perpendicular to the antenna's axis), with the radiated power falling off with elevation angle to zero on the antenna's axis. [1]
Yagi_uda_antenna.jpg (299 × 500 pixels, file size: 108 KB, MIME type: image/jpeg) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
Moxon antenna for the 20-meter band.The antenna is the faint rectangle of wires held in tension by the bent X-shaped support frame. Moxon antenna for the 2-meter band. The Moxon antenna or Moxon rectangle is a simple and mechanically rugged two-element parasitic array, single-frequency antenna. [1]
Appalachian State has fired head football coach Shawn Clark after five seasons. The Mountaineers went 5–6 this year (3–5 in the Sun Belt), the program's first losing campaign since its final ...
Inside Coverage would be nothing without the impact of our beloved Terez Paylor, who was a pillar of Yahoo Sports' NFL editorial and podcast coverage.
Planar near-field measurements are conducted by scanning a small probe antenna over a planar surface. These measurements are then transformed to the far-field by use of a Fourier transform, or more specifically by applying a method known as stationary phase [2] to the Laplace transform. Three basic types of planar scans exist in near field ...
Hugh Jackman is showing off his Wolverine physique.. The actor, 56, enjoyed a day in the sun on Bondi Beach in his native Australia on Monday, Dec. 16. Jackman took a dip in the ocean wearing a ...