antenna base coil

8 links about antenna base coil on dxzone.com

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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: 2286 | Votes: 8 | Rate: 6.75]

Homebrew 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: 14456 | Votes: 11 | Rate: 6.36]

80m mobile antenna - The antenna is made in four sections which consists of a base matching coil, a helical section, a centre loading coil and the top whip section with its capacity hat by G4DCH
[Hits: 1598 | Votes: 0 | Rate: 0.00]

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: 2996 | Votes: 2 | Rate: 1.00]
A Variable Base-Loading-Coil - A Variable Base-Loading-Coil for use under a HF Mobile Whip
[Hits: 110 | Votes: 1 | Rate: 9.00]

Base Loaded 160M Half-Sloper Antenna - If you want an antenna resonoant on the 160 meters band this is a possible solution, but of course, need space.
[Hits: 3799 | Votes: 5 | Rate: 6.20]
Base Loaded 160M Half-Sloper Antenna - K0EMT 160 meters sloper antenna
[Hits: 2528 | Votes: 0 | Rate: 0.00]

Mr coily - Base and mobile antennas,custom ball mounts, single, double, triple coil antennas, flat coils.
[Hits: 3189 | Votes: 124 | Rate: 8.30]

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