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Query: 4 meter antenna
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- Antennas > 20M > 20 meter Dipole Antennas
- Antennas > 20M > 20 meter Yagi antennas
- Antennas > 40M > 40 meter Loop Antennas
- Antennas > 40M > 40 meter Magnetic Loop Antennas
- Antennas > 6M > 6 meter Moxon Antennas
- Antennas > 6M > 6 meter Yagi Antennas
- Antennas > 20M > 20 meter Vertical Antennas
- Antennas > 40M > 40 meter Delta Loop Antennas
- Antennas > 40M > 40 meter Dipole Antennas
- Antennas > 40M > 40 meter Vertical Antennas
- Antennas > 40M > 40 meter Yagi Antennas
- Antennas > 6M > 6 meter J-Pole Antenna
- Antennas > 10M
- Antennas > 12M
- Antennas > 15M
- Antennas > 17M
- Antennas > 20M
- Antennas > 2M
- Antennas > 30M
- Antennas > 40M
- Antennas > 60M
- Antennas > 80M
- Technical Reference > Arduino
- Radio Equipment > HF Vertical Antenna > Butternut HF2V
- Technical Reference > Test Equipment
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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
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The K4VX linear-loaded dipole for 7 MHz, simple and practical way to make a short but efficient 40-meter dipole.
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VE7CA reprint an interesting article taken from arrl antenna compendium. Two elegant practical and portable 6-meter gain antennas, a two-element quad and a tree-element Yagi antenna for 50 Mhz-6 meter band
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Phased array Ground Planes antennas for 144 Mhz
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This is a hex beam designed for six meters. It has three elements with a turning radius of 54 inches. This antenna can be built from low cost materials available from the local hardware store. By WB3BEL
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Input the desired resonant frequency and it will calculate lenght in inches feet and meters
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If you want an antenna resonoant on the 160 meters band this is a possible solution, but of course, need space.
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Dimension and formula for a 4 element QUAD antenna for the 10 meters band
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Pictures of the 160 meters dipole antenna at W5JGV
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5 elelents yagi beam antenna for 20 meters band by T93M
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W5ALT Indoor Vertical Antenna is a base loaded vertical antenna that can be tuned on almost all HF bands by adjusting a big coil. Operating a ham radio station from an apartment in Maracaibo, Venezuela, the author demonstrates effective communication with over 100 countries using a custom-built indoor vertical antenna. Addressing common misconceptions, the design uses a balanced approach with radials and a base-loaded vertical element made from affordable materials. The antenna fits discreetly indoors, covers 6 to 40 meter bands, and achieves acceptable SWR with an MFJ tuner. Despite limited space and typical apartment challenges, the setup enables reliable DX contacts, confirmed by numerous QSL cards, proving indoor antennas can perform well in constrained environments.
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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.
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This antenna project came out very nice. It's a rugged homebrew multi-band trap vertical antenna that works the 10, 15, and 20 meter amateur radio bands. The antenna can be mounted on the ground or on a mast. Mounted on the ground the antenna has a low take off angle for working DX. If mounted on a mast the antenna will acheive both a low angle as well as another radiation lobe that has a much higher take off angle.
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Moxon antenna project, each side is 51 feet long and the turned in sections are each 7.7ft long. This antenna performed similar to a full size two element yagi for 40 meters.
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A 5 elements yagi antenna for 10 meters band project, plane and picture of the EF105A by YU7EF
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VE3HCR article of a home made loop antenna for 80 meters band
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This very large moxon antenna resonate on 80 40 and 10 meters, has been used for CQWW 2006 by a YU team project
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Here's an antenna that you can take with you. This is made from cheap flat 300 ohm TV antenna wire.
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10 to 20 meters band log-periodic antenna project with SWR Plots, boom lenght and element spacing.
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IK4DCS experience on maintaining a multiband delta loop antenna for 10/12/20 meters.
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The basic antenna is a vertical monopole, using elevated radials to complete the ground plane by k5oe
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Here are construction plans of a Turnstile antenna that can be used for space communication on the 2 meter amateur radio band. Specifically for 145.80 mHz
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A youtube video of a Short Delta Loop antenna, only 8,5 meters per side. This project use a loading coil of 56,7 uH for electrical matching.
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MQ-1 four band HF beams 20,15,10,6 meters MQ-2 six band HF beams 20,17,15,12,10,6 meters, beam antennas and Hybrid Quad antennas
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Buildin a VHF Jpole antenna with detailed pictures
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The total length of the inverted L is 240 feet, which is 7/16th of a wave length long. It has a 92 foot horizontal linear load section 1 foot above ground that terminates into a home-brewed parallel network tuner by KN4LF
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A delta loop antenna project for the 40 meters band, include dimensions 80 meters band, with construction details, schematic and tuning instructions
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A small antenna for all amateur bands, including 80 meters, and in a small garden without the compromise. An ideal replacement for those half size antennas such as the 1/2 size G5RV and Windom 40
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Designing quagi and yagi antennas on 2 Meters, some preliminary notes by Cebik, W4RNL
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A Moxon rectangle antenna projects for the 6 10 15 17 and 20 meter band but include drawings, plans, statistics and homebrewing statistics.
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An option for restricted and limited space, to operate the six meters band with an indoor three elements yagi antenna by Brian Williams
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A High Efficiency Extended Length Mobile Antenna The antenna itself is 3.42 meters or 11 feet 2 inches long from the top of the mounting spring to the tip.
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This high antenna require a large ground composed by 40 radials. It's not very handy expecially in windy situations but is very powerfull in pile-ups. In italian
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A really simple receiving antenna for 80 and 160 meter dxing by WA2WVL
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G3YCC article pn the W3EDP end-fed antenna for 80 to 20 meters bands
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Mesh constructed with enamelled wire 0.5 mm diameter For installing a support (plastic rope 2 mm) is needed. Antenna used on Solomon Isl in 1995 H44/DJ9RB
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A VHF Quad antenna for teh two meters band in italian
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Well documented Amateur Radio HF/VHF antenna projects, high power Russian GS35B RF amplifiers, mobile RFI solutions, related accessories, vintage radios, Six meter equipment, and useful techniques by K8CU are inside.
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The EF0604S is a compact 4 elements yagi antenna plan for six meters band featuring 8.77 dBi gain and a front back gain of 17.89 dB. Article includes elements dimensions and spacing, along to pictures of some homebrewed examples.