emergency communications

Ethereal Adornments - Part 2 A Close Look at End-Fed Antennas

JOHN FERGUSON

Two months ago, in August, we started with a discussion of fundamental antennas and how they evolved. Probably 90% of the antennas you will work with over your amateur radio career will be one of those basic ones or a derivation of one. This month I want to discuss one of the currently popular antenna types that we are seeing a lot of in portable HF operations, the “end-fed.“ These antennas come in two varieties, so similar to each other it is sometimes hard to tell which is which. The end-fed half-wave (EFHW) is a resonant antenna, with a fundamental half-wave electrical length which will work on its fundamental frequency and multiples of it. The other “end fed” could rightfully be called a “random wire” since it is not an…

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CQ Amateur Radio (Digital) - 1 Issue, October 2023

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