vertical hf dipole
15 links
Antennas : 20M : 20 meter Vertical Antennas
- 4m Tall Vertical Dipole for 20m
- Constructed in May 2008, this innovative 4m tall electrically full-size halfwave vertical dipole, tunable to multiple bands, offers HF coverage despite its space-saving design. Inspired by cost-effective DIY alternatives, the antenna design departs from conventional center-fed approaches, utilizing asymmetrical dimensions. Despite resonance challenges, the antenna's performance remains viable, boasting broad bandwidth and adaptability, as demonstrated through SWR measurements and EZNEC predictions.
[ Hits: 65 | Votes: 0 | Rating: 0 ]
- Build a bazooka dipole
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- Build Your Own Bazooka Dipole: A VHF/UHF vertical dipole made from coax
[ Hits: 55100 | Votes: 35 | Rating: 6.18 ]
- VHF/UHF Wideband Portable Dipole
- A portable dualband dipole robust and compact antenna usable for horizontal and vertical polarisation by ON6MU
[ Hits: 3252 | Votes: 3 | Rating: 7 ]
- Portable HF Antenna for the field day
- This article describes a project of asymmetrical hatted vertical dipole, a portable antenna that can be used for field day operations, sota, campings or even for fixed installations. This is a freestanding 20-10m antenna that is really easy to build, easy to tune and relatively easy to carry.
[ Hits: 1643 | Votes: 2 | Rating: 7.5 ]
- Build this Vertical Portable HF Antenna
- An experimental prototype of an asymmetrical hatted vertical dipole antenna that can work on HF bands 20 to 10 meters band. The AHVD Vertical dipole is an upside-down T design
[ Hits: 373 | Votes: 3 | Rating: 9.67 ]
- Variations on a Dipole
- Antenna patterns are all about interference. Presentation on wire antennas for HF bands. Dipoles, horizontal and vertical dipoles, effects of ground on radiation patterns, multi-band wires antennas. Knowing what you should expect from the radiation patterns for waves on your wires will help you choose what will work best for your needs. The principles of interference can lend insight into what to expect from a wire antenna.
[ Hits: 98 | Votes: 0 | Rating: 0 ]
- VHF UHF BiQuad
- This is a vertically polarized Broadside and Collinear Array each Loop is a vertically polarized Broadside Array both the right and the left side of the Loop is a bent 1/2 wave dipole working 180 degrees out of phase with the other one and that gives you 4.15dbi of gain
[ Hits: 174 | Votes: 0 | Rating: 0 ]
- G0KYA EFHW HF antenna
- A 11 pages pdf file about monoband or multiband end fed half wave vertical antenna that is great for DX and very cheap to build by Steve G0KYA
[ Hits: 1924 | Votes: 0 | Rating: 0 ]
- 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 ]
- HF Wire Antennas for Field Day
- Dipole antennas, vertical half-wave dipole antennas with impedence tranformes that can be used for portable operations. Some well worn antenna configurations are the easiest and loudest lash-ups you can try.
[ Hits: 219 | Votes: 0 | Rating: 0 ]
- WEB SDR - ROME
- Listen to the online web sdr in Rome Italy. A kiwisdr project using a vertical antenna and dipoles for HF bands.
[ Hits: 647 | Votes: 4 | Rating: 8.75 ]
- Sandpiper Aerial Technology LTD
- Sandpiper has been designing and manufacturing aerials for over 25 years. Offer HF Dipoles and verticals, VHF UHF Yagi, collinears and other beam antennas, elical antennas,quagi,moxon, and portable antennas, tripods mounts and fiberglass poles
[ Hits: 2163 | Votes: 2 | Rating: 10 ]
- S9 Antennas
- Multiband and monoband HF Vertical antennas and rotatable dipoles manufacturer based in Texas USA
[ Hits: 2427 | Votes: 6 | Rating: 5.67 ]
- KVK Antenna Systems
- The manufacturer of the NuBeam, Vipole, and the multi-band Quad-Folded-Dipole (or QFD for short) antenna. Also have a unique multiband vertical which can combine operation on multiple HF frequencies as well as provide high gain on 50, 144 and 438MHz in a single antenna.
[ Hits: 3973 | Votes: 1 | Rating: 1 ]
- MALtronix
- Maltronix, HF antennas, dipoles and verticals, switching power supply, power distribution, antenna switch
[ Hits: 741 | Votes: 1 | Rating: 10 ]
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vertical dipole vertical dipole 40 and 20 vertical hf dipole hatted vertical dipole vertical dipole antenna vertical dipole array 10 to 20m vertical 20 40 vertical 20 m vertical 20m 40m vertical 20m vertical 2m vertical 30m vertical 40 80 vertical 40 m. vertical
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