The dimensions are calculated based on the operating frequency. A general formula for the "A" section (total length) is:
Instant dimensions for 10m, 12m, 15m, 17m, 20m, and 40m bands.
The , popularized by Les Moxon (G6XN) in his seminal book HF Antennas for All Locations , is a compact, two-element directional antenna favored for its high performance-to-size ratio. Core Design Features
Typically 30% smaller than a standard 2-element Yagi, making it ideal for limited space. hf antennas for all locations moxon pdf
He almost scrolled past. The word "rectangle" sounded boring. But the subtitle hooked him: "Two elements. 3 dB gain. 20 dB front-to-back. Fits on a painter's pole."
He followed the PDF’s sacred rule: "Square corners matter. Use a cardboard template."
Are you planning to from the book, or Hf Antennas for All Locations: L.A. Moxon - Amazon.com The dimensions are calculated based on the operating
Wood framing, asphalt shingles (lossy at some frequencies), limited turning radius. The Moxon Solution: A 20m Moxon made of aluminum arrow shafts or 14 AWG wire. Because it is only 6 feet tall and 22 feet wide, it fits between the trusses. You can rotate it using a cheap TV rotator because the wind load is negligible indoors. Loss from shingles? Minimal—most users report only 0.5 dB loss, far outweighed by the gain over a dipole.
But what if there was a design that offers nearly the gain of a 2-element Yagi, the front-to-back ratio of a 3-element Yagi, and the footprint of a dipole? Enter the .
" HF Antennas for All Locations ," authored by Les Moxon (G6XN), is a cornerstone of amateur radio literature. First published in 1982 by the Radio Society of Great Britain (RSGB), it remains a primary reference for operators seeking efficient antenna solutions in restricted environments. Overview of the Moxon Antenna Core Design Features Typically 30% smaller than a
: Unlike academic textbooks, Moxon focuses on "real-world" constraints. He addresses issues like nearby obstacles, poor ground conductivity, and limited space.
The Moxon occupies a unique middle ground in antenna performance, offering a compelling balance of gain and directivity. This comparison will help you decide if it's right for your station:
For a successful "all location" install, ensure the antenna is mounted at least 1/2 wavelength high
– by L. B. Cebik, W4RNL (SK) Often republished as “HF Antennas for All Locations – The Moxon Rectangle” by various amateur radio clubs.
In wooded areas, operators can hoist a flexible wire Moxon into the tree canopy using throw lines. The antenna can be suspended horizontally for DX contacts or vertically to achieve a lower angle of radiation over poor ground.
