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97 links and 1 categories about coil on dxzone.com

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Antennas : 160M
  • Building High Power, High Q, Loading Coils - This page describes the loading coil (inductor) that W8WWV built for my center-loaded 160 meter (1.83 MHz) vertical antenna.
    [ Hits: 5587 | Votes: 3 | Rating: 7.00 ]
Antennas : 40M Antennas : 80M
  • Coil loaded dipole for 80 meters - Coil loading of an 80m Dipole for restricted space. Here's a method that may allow you to fit that 80m dipole into your suburban backyard by VK3JEG
    [ Hits: 4272 | Votes: 3 | Rating: 7.67 ]
Antennas : Antenna Calculators
  • Coil calculator - On-line single-layer coil designer
    [ Hits: 4278 | Votes: 16 | Rating: 4.94 ]
Antennas : Coils Antennas : Feed Lines
  • Single Coil Z Match - Single Coil Z Match, circuit Diagram and homebrewing notes
    [ Hits: 1133 | Votes: 6 | Rating: 8.33 ]
Antennas : Homebrewing Techniques
  • Easy tuning an building of traps  updated - A new and simple method for tuning traps. You need 2-3Watt of your TRX and two homemade coupling coils by DK7ZB
    [ Hits: 5472 | Votes: 97 | Rating: 8.01 ]
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: 3408 | Votes: 2 | Rating: 1.00 ]
Antennas : Multiband
  • QRP Antenna 80-40-20-15 End Fed Antenna - A long wire antenna that will load up on 80, 40, 20 & 15 meters without an antenna tuner and without balun coils
    [ Hits: 5045 | Votes: 4 | Rating: 6.25 ]
Antennas : Sloper
  • 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: 4284 | Votes: 5 | Rating: 6.20 ]
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: 2780 | Votes: 8 | Rating: 6.75 ]
Antennas : Theory
  • Currents in Standing-Wave Antennas - How can the current "flowing" out of the top of a mobile loading coil be greater than the current "flowing" into the bottom of the coil?
    [ Hits: 478 | Votes: 0 | Rating: 0.00 ]
Antennas : Traps
  • CoaxTrap - This program let you design of antenna trap using length of coaxial line wound as solenoid on a coil former.
    [ Hits: 4797 | Votes: 9 | Rating: 3.78 ]
Antennas : Tuners
  • Single Coil Z Match - The simple Z match tuner simplified, article by Lloyd Butler VK5BR
    [ Hits: 3459 | Votes: 10 | Rating: 7.41 ]
Antique Radios : Clubs
  • The Alabama Historical Radio Society - The alabama historical radio society - come visit our website and museum where we have a large collection of antique radios. our club does coil winding, has a large library, and a wealth of knowledge in our members.
    [ Hits: 297 | Votes: 3 | Rating: 7.00 ]
Manufacturers : Antenna Parts : Aluminium Tubing
  • Pierce Aluminum - Distributor of aluminum and a manufacturer of finished aluminum products. Pierce Aluminum offers a diverse inventory and distributes a complete line of sheets, coils, plates, bars, structural shapes, tubes, pipes and extrusions in the most varied alloys and sizes possible
    [ Hits: 770 | Votes: 2 | Rating: 10.00 ]
Software : Antenna analysis
  • TANT 136 - DOS program for calculating the performance of a T antenna. Gives loading coil info and matching plus ERP by Reg G4FGQ
    [ Hits: 326 | Votes: 2 | Rating: 2.50 ]
Software : Antenna rotor control
  • WEController - This software let you to control a pair of stepper motors, for three principle jobs: coil tuner, manual tuner control and satellite rotor control
    [ Hits: 1595 | Votes: 0 | Rating: 0.00 ]
Software : Circuit Design
  • HeliCoil - Inductance calculation for single layer, air-wounded coils and helixes up to about 800 MHz. Inductance calculations accuracy is around 1%. Also, coils with maximum Q for given inductance, resonant RF chokes, PI and T resistive attenuators calculations are provided. Skin effects, radiation losses and other minor side effects are not accounted in maksimum Q factor coils calculations. Program assumes using copper (Cu) enameled or silver (Ag) plated wire. Program is writen bilingual in English and Serbian by YU1AW
    [ Hits: 1713 | Votes: 8 | Rating: 4.88 ]
Technical Reference : Calculators Technical Reference : Components
  • Accurate Inductance Calculator - This page allows you to calculate in the most accurate way high-Q inductor coils.
    [ Hits: 927 | Votes: 3 | Rating: 6.33 ]
Technical Reference : Receivers : Regenerative Receiver
  • A good regenerative receiver - A good SSB-CW-AM regenerative receiver with a fine tuning by moving the wooden stick with a grounded piece of PCB towards the coil.
    [ Hits: 5294 | Votes: 8 | Rating: 8.00 ]
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