hf vertical all band
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 ]
- X80 Multi-band HF Vertical Antenna Review
- The X80 is a commercial version of a so-called Rybakov vertical antenna.
[ Hits: 1026 | Votes: 1 | Rating: 1 ]
- W5ALT Indoor Vertical Antenna
- Base loaded vertical antenna that can be tuned on almost all HF bands, tuned by adjusting the a big coil by W5ALT
[ Hits: 4516 | Votes: 17 | Rating: 7.05 ]
- The Joystick Antenna
- The Joystick antenna was used many years ago as an all band vertical HF antenna under restricted space situations that would cover from 80 meters thru 10 meters with a tuner and was a great commercial success Some hams even had success with it on 160 meters.
[ Hits: 4578 | Votes: 6 | Rating: 7.5 ]
- Balcony Vertical HF Antenna
- The simple balcony vertical HF antenna made with plastic fishing pole. Just along the pole I install copper wire in 7 meter length. Then was installed ATU. It was used home brew tuner. For each band was used one counterpoise in length 0.8 x lambda/4
[ Hits: 237 | Votes: 0 | Rating: 0 ]
- 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 ]
- DIY Dual Band 144-440 MHz vertical antenna
updated
- A homemade VHF/UHF vertical antenna made essentially with RG58 coax cable, with a 9 turns choke balun to prevent the shield acting as a RF Radiator.
[ Hits: 1365 | Votes: 14 | Rating: 5.5 ]
- 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 ]
- G8JNJ Broadband HF Vertical Antenna
- Broadband HF Vertical antenna which does not require a tuner, and which is capable of providing reasonable performance on all bands from 7MHz to 28MHz
[ Hits: 1448 | Votes: 1 | Rating: 10 ]
- ZeroFive Antennas
- Vertical antennas for all HF bands, expecially 80 40 20 meters bands
[ Hits: 7081 | Votes: 40 | Rating: 9.24 ]
- NVIS Propagation
- Near Vertical Incidence Skywave propagation is a form of radio wave propagation used on the MF and HF bands to provide radio communications and broadcasting coverage over short distances, especially where the terrain contains obstacles.
[ Hits: 446 | Votes: 1 | Rating: 10 ]
- Butternut HF9V Installation
- Assembling installing and tuning the Butternut HF9V multiband vertical antenna
[ Hits: 725 | Votes: 1 | Rating: 9 ]
- Gap Titan DX Antenna Manual
- Installation and assembly instructions for the multiband HF vertical Antenna by GAP
[ Hits: 365 | Votes: 1 | Rating: 4 ]
- Maldol MFB-300
- Maldol MFB-300 all band HF vertical antenna review by Steve Nichols
[ Hits: 2601 | Votes: 1 | Rating: 1 ]
- Measured Data For HF Ferrite Chokes
new
- FT-240 toroids measurements. The data was measured using well-calibrated HP instrumentation. All plots have been adjusted to a frequency range of 1-100 MHz on the horizontal axis and a resistance/impedance range of 10-1,000 ohms on the vertical axis. This adjustment facilitates comparison among different materials and aids in determining their suitability for use on the HF ham bands.
[ Hits: 35 | Votes: 0 | Rating: 0 ]
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