multi band j pole

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multi band j pole

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Antennas : 40M
  • Spiral Dipole Antenna for 40m - This antenna is an off-center fed spiral dipole for 40 meters. The spiral dipole is very compact, making it well-suited for limited space (like an apartment patio), while the off-center feed gives the antenna some multiband capability.
    [ Hits: 290 | Votes: 3 | Rating: 7 ]
Antennas : Baluns
  • How to Blow Up Your Balun - In this article, author examine stresses placed on common-mode chokes (aka baluns) as hams use/abuse them, examine the efficiency of simple dipole multi- band antennas and their feed systems. Stressing a Balun.
    [ Hits: 383 | Votes: 0 | Rating: 0 ]
Antennas : Dipole
  • QRO No-Tuner Multiband Dipole - Construction details of a multiband dipole that can can operate at high power levels, and match its 50-ohm coax feedline without a tuner
    [ Hits: 1502 | Votes: 2 | Rating: 4.5 ]
  • Multiband Dipole for 40 30 17 m - A portable home made wire dipole antenna that works on 40 30 and 17 meters band.
    [ Hits: 311 | Votes: 0 | Rating: 0 ]
  • Multiband Dipole Antennas Compared - A comparison of multiband dipoles, including jumpered dipole versus fan dipole antennas, dipole fed by ladder line, resonant dipoles antennas. ARRL lab notes
    [ Hits: 793 | Votes: 3 | Rating: 4.33 ]
  • Small HF Antennas - Experiments on HF antennas for restricted spaces. In this article author experiments antennas for 80-10 meters band having just a very small garden and several restrictions. Basic antennas consists of laded multiband dipoles and fan dipole antennas
    [ Hits: 1014 | Votes: 19 | Rating: 7.31 ]
Antennas : Fan Dipole
  • Multiband Dipole - Interesting article on multiband fan dipoles. This article give an overview on designing this wire antenna, and planning a robust installation and proper feed line. Includes notes on setting up a commercial fan dipole antenna and on how diy your own.
    [ Hits: 1380 | Votes: 4 | Rating: 6.75 ]
  • The KL3JM modified SRI Fan Dipole for 80-40-20 Meters - The antenna in this project is a modification of the techniques used to design a multiband fan type dipole with little or no tuning involved having a total space of 105 feet
    [ Hits: 500 | Votes: 1 | Rating: 5 ]
  • The Fan Dipole A valuable multi-band HF antenna - The fan dipole antenna as an alternative to the paralled dipole antenna, to achieve a larger bandwidth and a better tuning by decreasing elenment influences.A project based on the W6HDG original concept.
    [ Hits: 744 | Votes: 6 | Rating: 6.67 ]
  • Modeling an 80/40/20M Fan Dipole for DX - An interesting presentation of a real multiband Fan Dipole antenna, optimized for better DX operation performances, considering the terrain, position, DX destination path and other influencing factors
    [ Hits: 532 | Votes: 2 | Rating: 5.5 ]
Antennas : J-Pole
  • Multiband J-Pole Antenna by IZ0UPS - A multiband J-Pole antenna project that cover 144,220 and 430 MHz. The articles includes several pictures of this multi-band antenna, including handmade schematics and diagrams, project is mainly in Italian
    [ Hits: 411 | Votes: 4 | Rating: 7.25 ]
Antennas : Moxon
  • Moxon Mania - Building the Ultimate 4-Band Moxon Antenna - The article details the design and construction of a four-band Moxon beam by a radio amateur. The beam, mounted atop a rooftop tower, aimed for gain over a dipole on 20 meters, cost under $500, and included additional bands. The design features fiberglass spreaders, four bands (20/15/10/6 meters), and a single feedpoint. The construction involved computer modeling, NEC source code, and specific dimensions. The article outlines the assembly, materials, and tuning process, including in-situ adjustments for optimal performance. Despite initial challenges, the beam improved signal strength and facilitated contacts on multiple bands, marking it as the best HF antenna the author has owned.
    [ Hits: 94 | Votes: 0 | Rating: 0 ]
Antennas : Multiband
  • Heavy Duty linked dipole - A multi band dipole antenna that covers 15m 20m 30m 40m
    [ Hits: 1330 | Votes: 0 | Rating: 0 ]
  • HF Multiple Dipole Antenna - This article describes the design and simulation of a multiple dipole antenna for the HF band, using the software MMANA-GAL. The antenna will be designed to operate in the 10, 20, 40 and 80 m bands
    [ Hits: 820 | Votes: 1 | Rating: 4 ]
  • ZS6KMD 20-40m Multiband Dipole - The dipole shown in this document is installed in an inverted Vee configuration, with two leg elements on each side held parallel to each other by 21cm spacers. The upper leg is for 40m and the lower leg for 20m. The spacers are made of 7mm plastic garden hose support for garden sprayers cut to 21cm.
    [ Hits: 524 | Votes: 0 | Rating: 0 ]
  • Multiband trap dipole - This antenna is a classical antenna working on 7,10,14,18,50 MHz is implemented with three traps for 30, 17 and 6 meters
    [ Hits: 269 | Votes: 0 | Rating: 0 ]
Antennas : Portable
  • PAC-12 Antenna modification - A Multiband Slinky Coil for the PAC-12 portable Antenna, can be used also as a dual PAC-12 dipole by James Bennett
    [ Hits: 264 | Votes: 2 | Rating: 10 ]
Antennas : Vertical
  • Multiband HF Dipole - A 40 ft vertical dipole antenna that can cover HF Bands from 80 to 10 meters winding a dipole in a 12m HD telescoping fiberglass pole
    [ Hits: 3118 | Votes: 7 | Rating: 6.43 ]
Manufacturers : Antennas : HF
  • Maxcon Antennas - Maxcon makes and sells Amateur Radio Antennas. Double extended Zepp antenna, multiband dipoles, bazooka antennas, and VHF Jpole, made in USA
    [ Hits: 387 | Votes: 2 | Rating: 4.5 ]
Radio Equipment : HF Portable Antenna : Buddipole
  • Buddipole Dipole Assembly - Rob, VK5SW shows the simple assembly of the portable Buddipole multiband dipole antenna.
    [ Hits: 90 | Votes: 0 | Rating: 0 ]

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