magnetic ring antenna

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magnetic ring antenna

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Antennas : Magnetic Loop

  • An Unusual Magnetic Antenna - This article by OK1FOU describes how to build a relatively small loop antenna which can be placed for instance at the balcony. It is especially suitable for a two band antenna covering two adjacent amateur radio bands (10/14 MHz, 14/18, etc.)
    [ Hits: 3056 | Votes: 1 | Rating: 1 ]
  • Balcony and pedestrian mobile motor tuned loop - This antenna was designed to meet the requirements of a light body worn small magnetic loop covering all the frequencies continuously from 7 MHz to 29.4 MHz
    [ Hits: 2883 | Votes: 0 | Rating: 0 ]
  • The Thick Loop - The performance of a small magnetic loop can be improved constructing it larger, thicker or both. The antenna is covering from 12 Megahertz to 32 megahertz and adding a 156 Pico farads ceramic capacitor it resonates on the 40 meters band. by PY1AHD
    [ Hits: 1040 | Votes: 0 | Rating: 0 ]
  • Magnetic Loop Antennas  updated - A complete guide to magnetic loop antenna construction, with analysis of multi-turn and single-turn magneti loops, and and insight on choosing the optimal capacitor, or homebrewing your own butterfly capacitor
    [ Hits: 1251 | Votes: 1 | Rating: 10 ]
  • Magnetic Loop Antenna for 40-20m - If you have space constraint at your QTH for a HF antenna, you can try contructing this HF magnetic loop antenna for 40-20 meters bands
    [ Hits: 1527 | Votes: 2 | Rating: 3 ]
  • The Midnight Loop  updated - An Experimental, High-efficiency, Graphic-Tunable Magnetic Loop antenna and loop controller in a 52 pages PDF presentation with drawings and pictures
    [ Hits: 1174 | Votes: 2 | Rating: 8.5 ]
  • Magnetic Loop antenna for VHF - A magnetic loop antenna for the VHF band, featuring a high gain that can be compared to a quarter wave vertical antenna
    [ Hits: 731 | Votes: 9 | Rating: 5.99 ]
  • Magnetic Loop Controller for 4 Antennas - This project is for those ham amateurs who do not have a commercial one . It's easy to build with a soldering iron, a plastic case and a little knowledge of arduino. The controller is made with budget components you can find easily in Internet. The main component is a cnc shield that fits over an Arduino Uno. Both made a compact, small and cheap controller.
    [ Hits: 131 | Votes: 2 | Rating: 10 ]
  • Magnetic Loop Antenna Builds and Autotuning Advancements - Explore two magnetic loop antenna constructions, utilizing a 6-foot and a 12-foot square loop. Accompanied by a detailed description, the 6-foot loop features a built-in stepper motor control circuit, while the 12-foot loop incorporates a separate loop controller. Efficiency, tuning ranges, and the innovative autotuning solution using a microcontroller are discussed, offering insights into overcoming the antenna's narrowband limitations.
    [ Hits: 66 | Votes: 0 | Rating: 0 ]
  • Mastering Magnetic Loop Antenna Control - Unveil the secrets of efficient Magnetic Loop Antenna control systems, eliminating the hassle of frequent retuning. With real-time tracking and compatibility with various transceivers, including popular models from Elecraft, ICOM, Kenwood, and Yaesu, this controller ensures seamless frequency adjustment. Explore its high-resolution stepper motor and versatile communication capabilities, revolutionizing amateur radio operation.
    [ Hits: 54 | Votes: 0 | Rating: 0 ]
Ham Radio : Personal Pages : USA
  • NJ2X.COM - Adventure in Amateur Radio - NJ2X is a licensed amateur radio operator (FCC Amateur Extra) who enjoys casting electromagnetic waves into the ether. NJ2X pursues many aspects of the hobby including chasing DX, participating in mini-DX expeditions, building equipment and antennas, and papering his shack walls with ARRL awards. NJ2X dedicates this amateur radio oriented site to helping others who also enjoy the greatest of scientific hobbies. The site is suitable for all readers - families, the young, and the young at heart.
    [ Hits: 297 | Votes: 2 | Rating: 10 ]
Manufacturers : Digital and Packet Radio
  • SAT-Service Schneider - Digital radio mondiale DRM products, measuring tools, Magnetic field probes, RF power meters, Broadband loop antennas, DRM devices and services
    [ Hits: 862 | Votes: 0 | Rating: 0 ]
Propagation : Resources
  • Propagation on 630 Meters and 2200 Meters - This is a theoretical look at propagation on 630-Meters and 2200-Meters using ray tracing software. It expands on the brief discussion in the ARRL Handbooks. The Earth's magnetic field affects 630-Meter and 2200-Meter band propagation. Lower ionization reduces absorption, aiding low-frequency propagation. Differences exist between bands, limited daytime sky-wave propagation. Sunrise/sunset show promise, yet mechanisms are unclear. Ducting possible at night in specific conditions. Negative ions enhance propagation. Inefficient antennas and high man-made noise are anticipated. Groundwave propagation is significant on 2200-Meters.
    [ Hits: 36 | Votes: 1 | Rating: 10 ]
Software : Circuit Design
  • Integrated Engineering Software - Electromagnetic CAE simulation software for modeling and analysis. RF, Microwave & Antennas
    [ Hits: 1685 | Votes: 4 | Rating: 8.75 ]

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