antenna uk

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antenna uk

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Antennas : 15M
  • Build a Lightweight 15m Yagi Antenna: Simple Design for Impressive Performance  new - In this article, Steve G0UIH presents a straightforward guide for constructing a lightweight 15m 3 Element Yagi antenna with impressive performance metrics. With a focus on ease of construction and efficiency, the design boasts a nearly 8.2dbi forward gain and 30db front to back ratio. Utilizing readily available materials and a hairpin match for impedance matching, this Yagi offers broad bandwidth and simple tuning for optimal operation across the 15m band.
    [ Hits: 53 | Votes: 0 | Rating: 0 ]
Antennas : 30M
  • 30m Half -Size Rotary Dipole - A rotary dipole antenna for 30 meters band. Each arm is about 12.5 ft and is constructed from telescoping fibreglass flag/fishing poles and short lengths of aluminium tubing. Two short lengths of glass-fibre rod were used to insulate the arms from the supporting hardware.
    [ Hits: 197 | Votes: 0 | Rating: 0 ]
Antennas : Dipole
  • Build a Simple VHF Dipole Antenna for 2 Meters: A Beginner's Guide  new - This article serves as a beginner-friendly guide to constructing a simple VHF dipole antenna for 2 meters, perfect for novices in the hobby. With an emphasis on affordability and simplicity, it explains the basics without overwhelming technical details. Recommendations for coaxial cable and mounting methods are provided, offering practical solutions for effective communication. By following these instructions, novices can build a functional antenna without breaking the bank.
    [ Hits: 107 | Votes: 1 | Rating: 7 ]
Antennas : End-Fed
  • G4WIF End Fed Half Wave Antenna - Opting for a visually appealing inverted L configuration, G4WIF anchors the End Fed Half Wave antenna to an old clothes line pole, seeking cost-effectiveness in their endeavor. Despite initial misconceptions about transformer components, a £7.95 investment in a T240-43 toroid and DIY mounting container resolves the issue. Reflecting on commercial alternatives, G4WIF's homemade solution proves both economical and sufficient for their amateur radio needs.
    [ Hits: 77 | Votes: 0 | Rating: 0 ]
Antennas : End-Fed : End Fed Half Wave Antenna
  • Full size 80m End Fed Half Wave Antenna - The author reflects on expanding their antenna for 80m coverage during lockdown. They extend the End Fed Half Wave (EFHW) using a Spiderbeam pole and "cheating" by dog-legging across their garden. Despite challenges, they achieve coverage for multiple bands with minimal cost. Practical Wireless features EFHW antennas, including a pre-made 20m EFHW extended for 40m.
    [ Hits: 70 | Votes: 0 | Rating: 0 ]
Antennas : Homebrewing Techniques
  • Choosing the Right Aluminum Stock for Antenna Building - Building an efficient antenna begins with selecting the right aluminum stock. This article provides a comprehensive guide to sourcing aluminum materials for antenna construction. It covers different aluminum grades, their tensile strengths, tempering options, and their suitability for various antenna components. The article also recommends reputable suppliers in the UK, making it a valuable resource for antenna builders seeking durable and high-performance materials.
    [ Hits: 76 | Votes: 0 | Rating: 0 ]
  • Antenna Manufacturing: How to Prevent Galvanic Corrosion - Galvanic corrosion, a destructive process triggered by dissimilar metal contact in a corrosive electrolyte, poses a significant threat in antenna manufacturing. With aluminum and stainless steel components commonly involved, unaddressed corrosion can lead to white particle accumulation, causing long-term damage. Awareness of the galvanic series and the application of protective coatings like Alumslip can mitigate this pervasive issue, ensuring a prolonged antenna lifespan.
    [ Hits: 54 | Votes: 0 | Rating: 0 ]
Antennas : Theory
  • Yagi Antenna Design by G4CQM - A selection of technical articles and analysis offering guidance and insight to enable you to recognise and build your own high performance yagi design.
    [ Hits: 116 | Votes: 1 | Rating: 10 ]
Antennas : Vertical
  • Simple 3 band vertical antenna - The reason for making this antenna was the desire for a vertical (hence DX-ish) antenna that would cover at least 20m that would fit on my 5m fishing pole. This antenna can work on 20m 17m 15m bands and it is suitable for SOTA operations
    [ Hits: 155 | Votes: 0 | Rating: 0 ]
Technical Reference : Arduino
  • IC-7300 Arduino Based Antenna Switch - An Arduino Based Antenna Switch For The IC-7300 that monitors the band voltage from the rear accessory socket on the IC-7300. Two RF antenna relays are used to switch to the appropriate output.
    [ Hits: 123 | Votes: 0 | Rating: 0 ]

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