Hf Antennas For All Locations Moxon Pdf -

The Moxon is a balanced antenna. If you feed it directly with 50-ohm coax and the antenna is perfectly symmetrical, you may get away without a balun. However, for all locations except perfectly free-space, use a at the feedpoint to prevent the coax from becoming part of the antenna. A stack of 31 ferrite beads over RG-400 is your best friend.

By 3 PM, he had a floppy diamond shape hanging from a telescoping fishing pole tied to his deck railing. It looked ridiculous. It looked like a broken clothes hanger. But according to the PDF’s SWR charts, it was a laser. hf antennas for all locations moxon pdf

| Antenna Type | Gain (dBi) | F/B Ratio | Width | Noise Immunity | | :--- | :--- | :--- | :--- | :--- | | 1/4λ Vertical | 0 | 0 dB | Very small | Poor (high noise) | | Half-Wave Dipole | 2.15 | 0 dB | 33 ft | Fair | | 2-Element Yagi | 6 | 15 dB | 18 ft (boom) | Good | | 3-Element Yagi | 7.5 | 20 dB | 24 ft (boom) | Excellent | | | 5.5 | 28 dB | 13 ft (boom) | Excellent | The Moxon is a balanced antenna

The HF spectrum (3-30 MHz) is magical. It bounces off the ionosphere, circles the globe, and lets you chat with a retiree in New Zealand while drinking coffee in Ohio. But the antennas required are famously large. A full-wave loop on 40 meters stretches 140 feet. A 3-element Yagi for 20 meters spans over 20 feet on a 40-foot boom. A stack of 31 ferrite beads over RG-400 is your best friend

HF Antennas for All Locations : L. A. Moxon : Free Download, Borrow, and Streaming : Internet Archive. Internet Archive DIY 6 Meter Moxon Antenna: Boost Your Summer VHF Fun! 6 Jun 2024 —

The Moxon antenna consists of two primary parts: a (slightly less than half the rectangle) and a reflector (slightly more than half).