antenna coil

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antenna coil

84 links - and 1 categories

Antennas : 10M Antennas : 80M
  • 40/80 Coil loaded dipole - A coil loaded dipole antenna for 40 and 80 meters band by I2CN
    [ Hits: 11917 | Votes: 12 | Rating: 5.41 ]
Antennas : Antenna Calculators Antennas : Coils
  • Antenna Loading Coil Construction Techniques - This page explains how to construct high-Q inductor coils.
    [ Hits: 5881 | Votes: 11 | Rating: 5.55 ]
  • Build Your Own Coils - A method of building coils for your home made antennas
    [ Hits: 6537 | Votes: 6 | Rating: 2.83 ]
  • Home Brew Loading Coil for AD5X Vertical - How to make a loading coil for the AD5X portable vertical antenna
    [ Hits: 3092 | Votes: 13 | Rating: 7.91 ]
  • Antenna Matching Coil Adjustment Procedure - Without this basic knowledge, addressing antenna problems, RFI problems, and matching problems, results in a frustrating situation. Procedure which must be followed to properly adjust a shunt matching coil.
    [ Hits: 2676 | Votes: 4 | Rating: 4 ]
  • Coil measurement experiment - Comment on W5DXP 2011 coil measurement experiment
    [ Hits: 597 | Votes: 0 | Rating: 0 ]
  • Loading Coils for 136 kHz - This page starts by showing how to make loading coils for LF, and goes on to describe two of the loading coil assemblies used to resonate the experimental vertical antenna used at GW4ALG.
    [ Hits: 429 | Votes: 1 | Rating: 4 ]
  • Coil Winding Tips - Tips on winding wire coils used as inductive loads, traps, band-pass filters, are implemented in a number of amateur radio projects especially antenna projects
    [ Hits: 875 | Votes: 7 | Rating: 6 ]
Antennas : Dipole
  • Inverted V - Described is a simple inverted-V antenna which, when used with a balanced ATU, can be used on all the main Radio Amateur HF bands (80, 40, 20, 15 and 10m). The cental support is made in such a way that the wire can be coiled up for storage when the antenna is taken down.
    [ Hits: 3398 | Votes: 1 | Rating: 8 ]
Antennas : Mobile
  • 3MA triband mobile antenna - 3 band mobile antenna - 10m full size wave/4 whip - quick tilt-down system for 20 and 15 m loading coil change by IZ7DJR
    [ Hits: 1410 | Votes: 0 | Rating: 0 ]
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 ]
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: 638 | Votes: 0 | Rating: 0 ]
  • Antenna Efficiency - K0BG article con antenna efficiency covering topics like radiation resistance, coil losses and ground losses, other kind of losses. How calculate efficiency and Bandwidth Notes
    [ Hits: 458 | Votes: 0 | Rating: 0 ]
Antennas : Traps
  • CoaxTrap - This program let you design of antenna trap using length of coaxial line wound as solenoid on a coil former.
    [ Hits: 5521 | Votes: 10 | Rating: 3.7 ]
  • Bootstrap coax traps for antennas - Analysis of an antenna trap where a coil is formed of a length of coax cable, the outer conductor of one coax end is tied to the inner conductor of the other coax end, and the remaining connections form the terminals for the trap.
    [ Hits: 1356 | Votes: 2 | Rating: 9 ]
Manufacturers : Antenna Parts
  • CWS Coil Winding Specialist - Manufacturer of transformers, inductors coils and chokes. Custom winding, EMI / RFI Filters, Antenna Windings on ferrite rod, Antenna Winding on phenolic. Any antenna coil designs.
    [ Hits: 591 | Votes: 1 | Rating: 1 ]
Technical Reference : Components
  • Accurate Inductance Calculator - This page allows you to calculate in the most accurate way high-Q inductor coils.
    [ Hits: 1154 | Votes: 3 | Rating: 6.33 ]

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