The folded ends introduce capacitive loading, which electrically lengthens the shortened elements. Furthermore, the close proximity of the element tips causes intense mutual coupling. This coupling optimizes the current distribution across both wires. The result is a highly focused forward radiation pattern and a deep null directly behind the antenna, allowing you to reject local noise and interference. 4. Design and Calculation Formulas
The reference to HF Antennas for All Locations refers to the classic text by L.A. Moxon (G6XN) hf antennas for all locations moxon pdf
HF Antennas for All Locations: Understanding the Moxon Design and Accessing Key PDFs The result is a highly focused forward radiation
A Moxon antenna is a type of beam antenna that consists of two parallel elements, typically made of wire or tubing, fed in the center. The design is characterized by its compact size, simplicity, and excellent performance. The Moxon antenna is a form of a directional antenna, which concentrates the radiated energy in a specific direction, increasing the signal strength and reducing interference. Moxon (G6XN) HF Antennas for All Locations: Understanding
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Use 14 AWG stranded copper wire for lightweight, portable antennas. Use aluminum tubing for permanent, tower-mounted installations.
| Band (Typical Frequency) | Element Spreader Length (F) | | :--- | :--- | | 6m (50.2 MHz) | 1.16 m (116 cm) | | 10m (28.5 MHz) | 2.05 m (205 cm) | | 15m (21.2 MHz) | 2.75 m (275 cm) | | 20m (14.2 MHz) | 4.11 m (411 cm) | | 40m (7.15 MHz) | 5.76 m (576 cm) | Data adapted from DK7ZB's 1mm wire Moxon dimensions for common bands .