Акустические Контрольные Системы
Приборы для неразрушающего контроля металлов, пластмасс, бетона. Разработка, производство, поставка.
This guide explores the design, physics, and construction of Moxon antennas for any location. You can download the complete companion guide through the links and resources outlined below. 1. What is a Moxon Antenna?
: Reviewers from Amazon UK and Amazon.de highlight that Moxon uses simple mathematics to illuminate concepts rather than overwhelm the reader.
Driven Element ┌─────── ────────┐ │ ↑ ↑ │ │ | Gap | │ │ ↓ ↓ │ └─────────────────┘ Reflector Key Specifications
HF Antennas for All Locations: The Moxon Design High-frequency (HF) radio operators often face a difficult choice. They must choose between large, high-performance directional antennas and smaller, less efficient omnidirectional wires. The Moxon rectangle offers an elegant solution to this problem. Invented by Les Moxon (G6XN), this design provides directional gain in a remarkably compact footprint. It is an ideal choice for hams with limited space, strict homeowner association (HOA) rules, or portable operating needs. hf antennas for all locations moxon pdf
Because it is a beam, rotating the antenna will maximize the benefits of its gain and front-to-back ratio.
DRIVEN ELEMENT (Fed at Center) ┌───────┐ ┌───────┐ │ │ │ │ │ ▼ ▼ │ │ [ Feedpoint 50Ω ] │ │ │ │ ◄─── Critical Gap ───► │ │ │ │ │ └─────────────────────────────┘ REFLECTor Technical Specifications & Advantages Go to product viewer dialog for this item. HF Antennas for All Locations By L.A. Moxon
The Moxon antenna excels in scenarios where traditional, full-sized antennas fail. 1. Restricted Spaces & HOAs This guide explores the design, physics, and construction
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.
Optimization and Deployment of HF Moxon Antennas Across Diverse Locations
, often exceeding 30 dB in free space. This means signals from behind the antenna are heavily attenuated, providing outstanding noise and interference rejection—a feature many operators find even more valuable than the modest gain increase over a dipole. What is a Moxon Antenna
He followed the PDF’s sacred rule: "Square corners matter. Use a cardboard template."
The structural integrity of a rectangle is inherently stronger than long, unsupported Yagi elements. When built with aluminum tubing or robust fiberglass, a Moxon easily withstands high winds on sea vessels, coastal areas, or exposed mountaintops. 3. The Physics Behind the Design
| Band | S (Radiator Length) | R (Reflector Length) | A (Element Spacing) | B (Element End Gap) | D (Element to Feedpoint) | | :--- | :--- | :--- | :--- | :--- | :--- | | | 504 cm | 529 cm | 386 cm | 59 cm | 140 cm | | 12m | 572 cm | 600 cm | 440 cm | 66 cm | 160 cm | | 15m | 674 cm | 706 cm | 516 cm | 79 cm | 187 cm | | 17m | 788 cm | 826 cm | 606 cm | 91 cm | 220 cm | | 20m | 1011 cm | 1057 cm | 772 cm | 119.5 cm | 280 cm | | 30m | 1410 cm | 1476 cm | 1084 cm | 163 cm | 392 cm | (Data compiled by DK7ZB)
30 лет научных исследований в области ультразвука и разработка, производство инновационного оборудования для неразрушающего контроля
Максимальное удобство и простота в использовании всей линейки оборудования при минимальных ценах по сравнению с аналогами других компаний
Собственный офисно-производственный комплекс объединяющий разработку, производство, продажи, сервисную службу и склад готовой продукции
Консультации по работе с приборами в офисе компании и на территории Заказчика, а также разработка видеокурсов для удаленного обучения
Поставка оборудования в любую область Российской Федерации и в страны СНГ через авторизованных партнеров. Для удобства можно приобрести любой прибор через партнера, расположенного в вашем регионе.
Где купить
1720 компаний из 40 регионов уже с нами