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In the last five years, the RF noise floor has risen due to LED lights, solar inverters, and switching power supplies. The Moxon's secret weapon is its inherent common-mode rejection.
Because the Moxon is a balanced, closed-loop system, it does not rely on a counterpoise. When you feed it with a 1:1 current balun (ferrite core), the shield of your coax does not become part of the antenna.
The Result:
That 4-6 dB reduction in receive noise is effectively the same as adding a pre-amplifier to your signal. That is what hams mean when they say a Moxon is "hot."
The reason "Moxon PDF" is a high-volume search is that the antenna requires precise dimensions. Unlike a dipole ("cut it long and trim"), a Moxon requires exact spacing and wire lengths to achieve that hot F/B ratio.
If you want the canonical PDF that is currently "hot" (trending and reliable), you need to look for the Moxon Generation Project by VK3CPU (Drew Diamond) or the original G6XN calculations.
The Universal Formula (The PDF Hot List): hf antennas for all locations moxon pdf hot
What the Hot PDFs Must Contain:
Pro Tip: Search for "Moxon Rectangle Calculator PDF" rather than just "Moxon PDF." The calculator versions allow you to input your operating frequency (e.g., 14.150 MHz) and get millimeter-perfect cuts.
The "ideal" HF antenna has traditionally been viewed as a full-size half-wave dipole or a monoband Yagi. However, these antennas present a logistical challenge for operators living on small lots, in apartments, or in communities with strict Homeowners Association (HOA) covenants.
Les Moxon (G6XN) popularized a design originally theorized by Albert Stegen, which challenged the notion that performance must be sacrificed for size. The resulting antenna, known as the Moxon Rectangle, offers a unique blend of compact geometry, gain, and a broadband match, making it one of the most effective antennas for "all locations." Search the web for these exact titles (use quotes):
Myth: "It is too fragile for wind."
Myth: "You need a rotator."
A Moxon is a rectangular two-element beam derived from a 2-element Yagi with the ends folded inward. That folding reduces overall length while creating strong coupling between driven element and reflector, producing forward gain and rear suppression with only moderate complexity.
Moxon antennas are popular for SOTA (Summits on the Air) and POTA (Parks on the Air). Made from fiberglass poles and wire, a 20m Moxon weighs under 1 kg and packs into a small bag. Setup takes 10 minutes. Direct sources: In the last five years, the