Coils

Antenna Loading Coil Calculation - The calculation refers to either a loaded 1/4 wave or a loaded dipole,

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.

Antenna Loading Coil Construction Techniques - This page explains how to construct high-Q inductor coils.

Antenna Loading Coil Calculation  ^updated - The calculation refers to either a loaded 1/4 wave or a loaded dipole,

Antenna Loading Coil Construction Techniques - This page explains how to construct high-Q inductor coils.

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.

Build Your Own Coils - A method of building coils for your home made antennas

Building Coils - Building coils for a portable dipole using a novel method of winding coils with weedeater cord! By K4MMG

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.

Coil Designer - Mk 2 - This page lets you do calculations for single layer air cored coils using the solenoid formula

Coil measurement experiment - Comment on W5DXP 2011 coil measurement experiment

Coil Q Measurements - Coil Q Measurements - With a special focus on wet coils.

Current distribution in Coils - Current distribution in the antenna loading coils

Current Through a 75m Bugcatcher Loading Coil - About experiments and measurements on loading coils using net standing wave current

Home Brew Loading Coil for AD5X Vertical - How to make a loading coil for the AD5X portable vertical antenna

Homebrewing Coils - Homebrewing antennas, homebrewing your own Coils ny K0BG

Inductor operation - Understanding current in loading coils

Loading Coil for 136 kHz - Pictures of loading coils according to OK1FIG

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.

Matching Coil Adjustment - There is a specific procedure which must be followed if proper adjustment of a shunt matching coil is to be achieved.

Mobile Loading Coil Measurements - 75m Mobile Texas Bugcatcher Loading Coil Measurements