pi antenna tuner

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pi antenna tuner

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Antennas : 60M

  • 60 Meter EF-HW antenna - 60 Meter End Fed Half Wave Antenna Tuner with large pictures of the 5 MHZ antenna tuner
    [ Hits: 563 | Votes: 5 | Rating: 9.4 ]
Antennas : End-Fed : End Fed Half Wave Antenna
  • 40m portable antenna tuner - A small-sized portable antenna tuner for the 40 meter band end-fed half wave antenna based on a toroid core and a variable capacitor by VK5ZVS
    [ Hits: 2154 | Votes: 6 | Rating: 7.83 ]
Antennas : Portable
  • M1IOS - Wonder Whip antenna and tuner - M1IOS Wonder Whip antenna - The M1IOS Wonder Whip A 10 dollars QRP Portable Multiband Antenna for HF, VHF and UHF A variation on the Miracle Whip and Wander Wand. This antenna tuning unit will get your SWR really low on telescopic whips, mobile 3/8th antenna and long wires. A remarkable little tuner that really works!
    [ Hits: 14505 | Votes: 24 | Rating: 9.04 ]
Antennas : Receiving
  • Archimedean Spiral Antenna for RTLSDR - Dodgy plans to make Archimedean spiral antenna for RTLSDR software defined radio receiver. Made of two equal lengths of coaxial cable seems to be the easiest circularly polarized antenna to make that will cover a broad range of the rtlsdr dongles E4000 tuners
    [ Hits: 1031 | Votes: 2 | Rating: 10 ]
Antennas : Tuners
  • A Multi-type "one-box" Antenna Tuner - This antenna tuner is a multi-type matching system in the same box, which includes L - Pi and T networks.
    [ Hits: 7823 | Votes: 3 | Rating: 9.67 ]
  • A Portable Antenna Matching Unit - A small HF antenna tuner project for qrp operations. Includes circuit diagrams pictures and test results by GW4ALG
    [ Hits: 15342 | Votes: 7 | Rating: 5.14 ]
  • 5kW Antenna Tuner Project - An interesting home made project of an L Network Antenna Tuner Project with pictures and schematics by K7SFN
    [ Hits: 1628 | Votes: 2 | Rating: 5.5 ]
  • A QRP Transmatch ATU - A home made Antenna Tuner made with a simple inductor and a few spare parts. Despite the title, the author succesfully tested this ATU with higher power inputs.
    [ Hits: 203 | Votes: 0 | Rating: 0 ]
  • Miracle Whip Inspired Antenna Tuner - There are quite a few variants of the design accompanied with many opinions on the effectiveness of the antenna. This page features links to some similar projects and a homebrewed personalized version of this portable antenna tuner
    [ Hits: 221 | Votes: 0 | Rating: 0 ]
  • A Versatile SOTA Antenna Tuner - This is a detailed, technical piece, intended mostly for makers and more creative activators, who enjoy building and using their own tools on the summits. A multiband portable antenna tuner supporting 10W, small and light, suitable for SOTA operations
    [ Hits: 262 | Votes: 2 | Rating: 10 ]
  • How does an antenna tuner work ? - Collection of several topics on antenna tuners and their performance. Why use an antenna tuner? How does an antenna tuner…tune Does an antenna tuner fool the radio? Will an antenna tuner waste power? Can an antenna tuner help get more power to the antenna?
    [ Hits: 185 | Votes: 0 | Rating: 0 ]
Antennas : Vertical
  • Antenna for deed restricted lots  pop - An effective 10-20m DX antenna for deed restricted lots. The article by K7ZB introduces a simple 10-20m DX antenna suitable for deed-restricted lots. The antenna, a 15' vertical design, facilitated contacts with over 200 countries worldwide. Its design employs a telescopic aluminum tube and radial wires for multi-band operation, requiring an external antenna tuner for optimal performance. The mounting scheme and construction details ensure effectiveness and ease of use.
    [ Hits: 56267 | Votes: 13 | Rating: 6.46 ]
  • IK-STIC 2 vertical multiband antenna - The IK-STIC 2 is a vertical, all band, antenna that is over 25 feet tall yet weighs under 5 pounds. Based on a telescopic pipe or a fiberglass fishing pole, using a tuner it can easily cover the amateur radio HF bands from 40 - 10 Meters
    [ Hits: 4845 | Votes: 6 | Rating: 5.17 ]
  • 40 80 Meter GP Vertical - A vertical antenna for 40 and 80 meters band with no need of antenna tuner, based on a telescopic fiberglass mast of 48 feet by N8NSN
    [ Hits: 2851 | Votes: 6 | Rating: 6.17 ]
Antennas : Wire
  • Long Wire Antenna for portable operations - With the view to establish a quick and easy multi-band antenna deployment for portable and camping operations a simple long wire antenna with an earth or earth plus counterpoise arrangement with a 9:1 voltage unun including a tuner or simply with a tuner is one possible solution. With the 9:1 voltage unun and wire lengths suggested in the below tables the antenna should present non extreme impedances for all HF amateur band frequencies. This page is far from complete and represents the ongoing investigation into this type of antenna. Experiments to date seem to have raised more questions than obvious answers.
    [ Hits: 796 | Votes: 13 | Rating: 8.69 ]
  • The Squid Pole Wire Antenna Re-visited - The author explores enhancing the performance of a 7-meter fiberglass squid pole wire antenna for amateur radio. The wire, resonant at 10MHz, poses impedance challenges on various bands. Experimenting with direct coax feed and UN-UN transformers, the LDG Z11-Pro2 auto-tuner is found effective but may show deceptive SWR readings. The author employs adjustable UN-UN ratios and introduces a custom "porcupine" coil to optimize the antenna's efficiency.
    [ Hits: 87 | Votes: 0 | Rating: 0 ]
Shopping and Services : Regional : Asia
  • CQ Shop Ham Radio Store Hong Kong - Hong Kong's only full-service amateur radio store. Full line of Amateur Radio and Two-way equipment and accessories from companies such as Yaesu, Icom, Kenwood, Motorola, MFJ, Alinco, Diamond, AOR and many, many more. Knowledgeable staff with many years of experience in the radio business TAX-FREE shopping (no sales, VAT, GAT or other taxes) HF, VHF, UHF transceivers, receivers, walkie-talkies, antennas, antenna tuners, coax and connectors
    [ Hits: 9702 | Votes: 17 | Rating: 4.47 ]

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