j antenne
20 links
- The Sperrtopf antenna for 2 meter band
- By ON4CFC Pascal, describe how to build a Sperrtopf or Sleeve antenna for the 144 Mhz, PDF File by antennex
[ Hits: 2671 | Votes: 4 | Rating: 6.5 ]
- Big Wheel Antenna for VHF
- An omnidirectional horizontal polarization antenna for 2 meters band in Italian
[ Hits: 186 | Votes: 2 | Rating: 7.5 ]
- Bobtail Curtain for 30 meters
- A project of a bobtail-curtain antenna for 10 MHz
[ Hits: 1433 | Votes: 2 | Rating: 10 ]
- Delta Loop for 50 MHz
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- Delta loop and vertical antenna plans with translation in italian
[ Hits: 29924 | Votes: 17 | Rating: 6.06 ]
- J-POLE for 50MHz by IZ0UPS
- The J Pole antenna is a good omnidirectional antenna that can be used for portable or fixed station usage. It does not need a ground, and neither complex feed systems. It can be homemade with simple material and in several ways.Article in Italian
[ Hits: 244 | Votes: 2 | Rating: 10 ]
- 50:450 Ohm (9:1) Balun for vertical antennas
- A page describing how to home made a custom 9:1 balun for a common portable wire antenna. The author suggest to use 4C65 or FT140-61 toroids instead of the common Amidon T200-2
[ Hits: 516 | Votes: 11 | Rating: 6.72 ]
- EH antennas and CFA antenna
- Many antennas function because of common mode currents, rather than working in spite of them. Two popular examples are CFA and EH antennas. Another recent example, appearing in Antennex's compact antenna articles, is a thick stub "vertical" with no counterpoise.
[ Hits: 2018 | Votes: 3 | Rating: 5.67 ]
- 144 MHz Halo antenna
- IW3HZX antenna project for a 2 meters halo, in italian
[ Hits: 2528 | Votes: 8 | Rating: 2.25 ]
- 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 ]
- F5NGZ Magnetic loop antenna
- Antenne Cadre Project by F5NGZ, description by F5TZA in french
[ Hits: 2132 | Votes: 6 | Rating: 6 ]
- Morgain 80-160
- A dual band antenna designed to work on low bands and in this article on 80 and 160 meters band. Total lenght of this folded dipole is 37,60 meters. Includes some details for fine tuning on 160 meters. Article in italia
[ Hits: 2180 | Votes: 12 | Rating: 6.58 ]
- Gain of parabolic antennas
- Gain we can expect of a parabolic antenna by F4DAY
[ Hits: 312 | Votes: 0 | Rating: 0 ]
- Build an antenna for 23 cm band
- Building an omnidirectionnal antenna for the 23 cm band, 1240 - 1270 Mhz
[ Hits: 1586 | Votes: 4 | Rating: 6.5 ]
- Antenne verticale HF.
- A vertical antenna project than can present low swr from 40 to 10 meters by using a balun in french
[ Hits: 2215 | Votes: 0 | Rating: 0 ]
- 20-30m Vertical Antenna
- Homebrew project for a vertical antenna with a coaxial-cable trap, that works on 20 and 30 meters band.
[ Hits: 73 | Votes: 0 | Rating: 0 ]
- W3DZZ - 80 to 10 meter antenna
- A schematic design of the W3DZZ antenna in portugues with description of trap building
[ Hits: 2578 | Votes: 7 | Rating: 6.72 ]
- ANjo Antennen
- Amateur radio antenna manufacturer produces mainly VHF UHF beam antennas based in Germany
[ Hits: 104 | Votes: 1 | Rating: 1 ]
- UKW-Berichte Telecommunications
- On-line shop for coax cables, RF connectors, Lightning protectors, Create antenna rotators, antenna masts and mounts, amateur antennas by FlexaYagi, Tonna F9FT, ANjo-Antennen and M2 Antennas based in Eggolsheim Germany
[ Hits: 268 | Votes: 0 | Rating: 0 ]
- Omnidirectionnal antenna for the 23 cm band
- Building an omnidirectionnal antenna for the 23 cm band
[ Hits: 480 | Votes: 0 | Rating: 0 ]
- The express-pizza antenna
- Build a directional antenna for the 1.2 GHz band, in 15 minutes
[ Hits: 539 | Votes: 0 | Rating: 0 ]
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