Antennas & Feedlines

Dipoles, verticals, Yagis, baluns, and coax — building and tuning antennas that work.

Antennas & Feedlines guides (50)

Antenna Height vs Gain: What Actually Puts More Signal on the Target

Should you buy a higher-gain antenna or raise the one you have? Real-world analysis of antenna height versus gain for HF, VHF, and practical ham stations.

August 2, 2026

GuidesAntennas & Feedlines

Antenna Feedpoint Impedance: Understanding 50 Ohms and What Happens When It's Not

Why antennas have specific feedpoint impedances, what determines the 50-ohm standard, and practical methods for matching antennas that don't present 50 ohms.

August 1, 2026