antenna base coil


antenna base coil

11 links

Antennas : 160M

  • 160m inverted L by W6SDO - A 160 meter antenna with a base loading coil used to tune the two lower frequency segments of the band.
    [ Hits: 1830 | Votes: 3 | Rating: 7.33 ]
Antennas : 40M
  • Homebrew 20/40m Travel Antenna - This is a low cost homebrew two band travel antenna for 20 and 40 meters. It is based on the B&W Travel Antenna concept with a telescoping whip and a loading coil
    [ Hits: 17493 | Votes: 15 | Rating: 5.86 ]
Antennas : 40M : 40 meter Vertical Antennas
  • A very efficient half size 40 meter Vertical Antenna - A vertical antenna project for the 7MHz made with some spare parts. Based on a broken 20 foot fishing pole, it is based on a good ground system made with radials and a capacitive hat done to increase the global radiation resistance of the antenna. A custom loading coil is also included in this project to perfectly tune the antenna to the CW portion of the 40 meters band.
    [ Hits: 736 | Votes: 4 | Rating: 8.5 ]
Antennas : Capacitive
  • Microvert Antenna for 40m by ON7IR - A mircovert antenna assembled for the 40m version of the DL7PE antenna. A one meter long aluminum tube with 24mm diameter is used for the base (element 1) and a 50cm aluminum tube with 20mm diameter for element 2 (the extention). A pvc pipe, 34cm long and with a diameter of 38mm, is used to wind the coil on (1mm enamelled copper wire).
    [ Hits: 152 | Votes: 0 | Rating: 0 ]
Antennas : Indoor
  • W5ALT Indoor Vertical Antenna - Base loaded vertical antenna that can be tuned on almost all HF bands, tuned by adjusting the a big coil by W5ALT
    [ Hits: 4528 | Votes: 17 | Rating: 7.05 ]
Antennas : Mobile
  • An automatically tuned 7-30MHz mobile antenna - This is a base-loaded vertical antenna that mounts on the car's roof. The loading coil is designed as a variable inductor, with a three-legged chariot that travels up and down inside the coil, with grooved brass wheels running on the coil turns, and driven by a slotted rotor tube.
    [ Hits: 4049 | Votes: 2 | Rating: 1 ]
Antennas : Sloper Antennas : Spiral
  • Petlowany Antennas by K6NO - WorldRadio Article on Petlowany antennas base on this principle: if a length of wire is wound into a spiral-shaped coil and excited by a radio frequency current connected to the innermost portion of the coil, it will then, and only then, exhibit RF characteristics that closely approximate those of a resonant linear wire of the same length
    [ Hits: 3765 | Votes: 9 | Rating: 6.22 ]
Manufacturers : Antenna Parts
  • Wolf River Coil - Vertical Base Replacement Coil. Wolf River Coil build quality antenna coils that are easy to tune and easy to install.
    [ Hits: 167 | Votes: 0 | Rating: 0 ]
Manufacturers : Antennas
  • Mr coily - Base and mobile antennas,custom ball mounts, single, double, triple coil antennas, flat coils.
    [ Hits: 3810 | Votes: 159 | Rating: 8.38 ]

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