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The World of Amateur Radio in One Shack

Antennas

9 articles on this topic.

Antennas · Equipment

Ferrites and Common-Mode Chokes: Stopping RF Where It Starts

By OneShack Staff

RF in the microphone, a meter that reads differently when you touch the radio, noise that follows you from band to band — most of it is one fault, and a handful of ferrite cores fixes it.

4 Min Read

Antennas · Getting Started

Antennas When You Can’t Put One Up

By OneShack Staff

Covenants, a landlord or a small lot do not have to end it. What the FCC rules do and do not cover, and four antennas that work without announcing themselves.

4 Min Read

Antennas · Equipment

Analyzing Antenna Gain Specifications

By Bill Rinker, W6OAV

Plenty of antenna ads quote a gain figure that means nothing at all. Here is how to read them: what a dB really is, how dBi and dBd differ, and the three rules that protect you from a misleading claim.

7 Min Read

Antennas · Equipment · Getting Started

Your SWR Meter Might Be Lying to You

By OneShack Staff

A low SWR reading at the radio doesn't always mean a good antenna. Here's why, and how to find out what's really happening.

4 Min Read