2 elements
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Antennas : 10M- 2 Element Wire Yagi for 10 meters band
- A page with an embedded video about a two elements yagi antenna for 28 MHz based on the original antenna design by VE7CA
[ Hits: 283 | Votes: 1 | Rating: 8 ]
- 5 element Yagi antenna for 10 meters band
- This 10 meter antenna is right out of the ARRL Antenna Book. There are 5 elements on a 24 feet boom and it performs well from 28.0 to 28.9 MHz.
[ Hits: 194 | Votes: 2 | Rating: 6 ]
- 20 meter short loaded vertical antennas
- Loading is a way to lower the resonant frequency of an antenna radiator. This technique is typically used in antennas that have radiating elements that are too short for the desired resonance frequency. In this excellent article the author experiment loaded vertical dipoles for 20 meters band
[ Hits: 232 | Votes: 1 | Rating: 9 ]
- 43 Elements Yagi Antenna for 23cm band
- An interesting presetnation full of usefull tricks to correctly design and build 23 cm Yagi using simple tools. The basic design of the antenna presented in this document is taken from the original DL6WU Yagi Design published in 1982
[ Hits: 431 | Votes: 1 | Rating: 8 ]
- 35 Element Yagi Antenna for 23cm
- Antennas for the 1296 MHz based on the construction plans of some Yagis 35 elements by DL6WU, F9FT, DJ9YW. These antennas features a boom of about 3 m and gives a gain of about 17.8 dBd
[ Hits: 209 | Votes: 1 | Rating: 7 ]
- An 8x2 Element Array Antenna For 144 MHz
- This stacking offers a well known simple phasing technique. All elements can be fed in parallel by open wires provided that they are fed in phase. This can be achieved by twisting the open wire phasing-lines at 180 degrees.
[ Hits: 165 | Votes: 0 | Rating: 0 ]
- Two elements Telescopic Yagi for 2 Meters
- A lightweight PVC hand-held telescopic 2 element 2m (145 MHz) yagi using two pairs of TV rabbit ear antennas as the driven and reflector elements. Approximate directional gain is 5dB.
[ Hits: 162 | Votes: 0 | Rating: 0 ]
- Homebrewing a 6 Meter Yagi
- Six meters is a great band for home built Yagis. The elements are reasonably small, but not so small that building tolerances are critical. With careful construction and detailed instructions, it is certainly feasible to build no-tune Yagis up to 432 MHz.
[ Hits: 470 | Votes: 0 | Rating: 0 ]
- Cross-Yagi 10el Antenna for 70cm
- 10 Elements Cross-Yagi Antenna for 433 MHz. The base of the 10el antenna is the recalculated RA6FOO antenna.Circular polarization is realized - by a phasing quarter-wave line, matching of horizontal and vertical polarization antennas
[ Hits: 176 | Votes: 6 | Rating: 8.83 ]
- Roving Antenna Range and Much More
- A 18 elements Yagi antenna for 432/435 MHz as published on 2011 CQ VHF magazine
[ Hits: 213 | Votes: 0 | Rating: 0 ]
- Phased Array Antennas
- Phased array antennas are composed of multiple individual antenna elements that can have their phase and amplitude controlled to steer the main beam direction in real-time. They are used in radar, communications, and electronic warfare, and offer improved gain and reduced side lobes. A comprehensive document on Phased Arrays include techniques to increase the Antenna Gain and change the Radiation Pattern
[ Hits: 82 | Votes: 0 | Rating: 0 ]
- Reversible 40 Meter Moxon
new
- The author wants a compact, switchable antenna for 40-meter ham radio. They compare 3 designs: rectangle, short-tipped W6NL, and T-hat. All work well electrically, but mechanics matter for a large antenna. The rectangle needs strong support, while the T-hat is sturdier with slightly longer elements. The T-hat design wins for now, but the author will focus on its mechanical details next.
[ Hits: 74 | Votes: 2 | Rating: 5.5 ]
- 3 Element Quad for 50 MHz
- A 14.12 dBi gain three elements cubical quad antenna for the six meters band.
This Quad Antenna design page include a MMA model available to download and dimensions for each element.
[ Hits: 46 | Votes: 1 | Rating: 3 ]
- Dual Band Quarter Wave Droopy Antenna
- Adapted from a similar project by NA4IT. Made with one quarter wave 2 meter radiating element
pointing upward and it is surrounded by four 70
cm elements.
[ Hits: 345 | Votes: 1 | Rating: 9 ]
- VHF UHF Duo band Yagi Antenna
- Duoband Yagi 2m/70cm with 4 Elements on 2 m and 5 Elements on 70 cm and one Feed point. The 4-El.-Ultralight-Yagi for 2m can be used on 70cm with an SWR of 1,5 without any changes.
[ Hits: 153 | Votes: 6 | Rating: 7 ]
- 13 Elements Yagi for 144 MHz
- A homebrew 13 elements yagi antenna for two meters band. These project includes two model of the same antenna with a 6 and 7 meter boom length. Detailed pictures and nec files are available for download
[ Hits: 142 | Votes: 0 | Rating: 0 ]
- Building an Enhanced APRS IGate with Debian 12 and Raspberry Pi
- The guide outlines necessary components, including a 2m FM analog radio, USB audio adapter, and Raspberry Pi. Building a cable to connect these elements is assumed, as is knowledge of Raspberry Pi OS installation.
[ Hits: 57 | Votes: 0 | Rating: 0 ]
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