Hy-Gain TH3JR Triband Yagi Antennas for HF Operation

Find resources and technical details for the Hy-Gain TH3JR, a popular 3-element triband Yagi antenna for 10, 15, and 20 meters.

David
Reviewed by • Senior RF Engineer & Technical Editor March 2026

The Hy-Gain TH3JR is a popular compact triband Yagi antenna, designed for operators with limited space who still want effective gain on the 10, 15, and 20 meter HF bands. This antenna offers a good balance of performance and size, making it a common choice for many ham radio stations, especially those in urban or suburban environments. Its design aims for reliable DX performance without requiring a massive tower or extensive real estate.

Operators often look for resources related to the TH3JR for assembly instructions and maintenance. Many hams also seek out modifications and performance improvements, particularly for specific bands like 20 meters, to optimize their signal reports and QSOs. These resources help operators understand the antenna's characteristics and how to best deploy it for their operating needs.

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