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2. File:J-pole antenna diagram.svg - Wikipedia

   en.wikipedia.org/.../File:J-pole_antenna_diagram.svg

   English: Diagram of a J-pole antenna, a vertical end-fed half-wave omnidirectional transmitting antenna used in the shortwave frequency bands. It consists of a vertical element a half wavelength (/) long, fed in series with a quarter wavelength (/) transmission line stub, with the coaxial cable feedline (F) from the transmitter attached along the stub.

3. File:Umbrella antenna diagram.svg - Wikipedia

   en.wikipedia.org/wiki/File:Umbrella_antenna...

   English: Diagram of an umbrella antenna, a toploaded wire transmitting antenna used in the medium frequency (MF), low frequency (LF) and very low frequency (VLF) bands. It consists of a steel mast (grey) insulated from the ground, with diagonal wires radiating from the top, anchored to the ground in a circle around it. The feedline from the ...

4. File:Ground plane antenna diagram.svg - Wikipedia

   en.wikipedia.org/wiki/File:Ground_plane_antenna...

   English: Diagram of a ground plane antenna, a common omnidirectional monopole antenna used at VHF and UHF frequencies. It consists of a vertical whip antenna one quarter wavelength long, with 3 or 4 quarter wave rods extending from the base electrically connected to the ground side of the transmission line.

5. File:Rhombic antenna diagram.svg - Wikipedia

   en.wikipedia.org/wiki/File:Rhombic_antenna...

   The rhombic antenna is a directional wire antenna used on MF and HF bands for shortwave reception. The antenna consists of a wire suspended above the ground in the shape of a rhombus , terminated at one end by a resistor equal the the wire's characteristic impedance, about 400 to 600 ohms, and at the other end connected to the feedline to the ...

6. File:Corner reflector antenna diagram.svg - Wikipedia

   en.wikipedia.org/wiki/File:Corner_reflector...

   English: Diagram of a corner reflector antenna. It consists of a half wave dipole antenna mounted in front of two flat rectangular reflectors joined at an angle θ which is usually 90°. The reflector is usually made of rods parallel to the dipole element. Corner reflector antennas have gain of 12-15 dBi, high front-to-back ratio, and wide ...

7. Antenna rotator - Wikipedia

   en.wikipedia.org/wiki/Antenna_rotator

   An antenna rotator (or antenna rotor) is a device used to change the orientation, within the horizontal plane, of a directional antenna. Most antenna rotators have two parts, the rotator unit and the controller. The controller is normally placed near the equipment which the antenna is connected to, while the rotator is mounted on the antenna ...

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9. File:Antenna-j-pole-diagram.svg - Wikipedia

   en.wikipedia.org/.../File:Antenna-j-pole-diagram.svg

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