antenna direction107 links - and 1 categories
Antennas : 20M
- Directional Helical Antenna
- This antenna is intended for the 20-meter Band.
There are two Voltage Fed Helical Dipoles, made with 2 slinky that fed with phase shift in 90 degree
[ Hits: 651 | Votes: 1 | Rating: 8.00 ]
- 2m Big Wheel Antenna
- A Useful Horizontally Polarised Omni-directional Antenna with Gain for 144 MHz
[ Hits: 828 | Votes: 1 | Rating: 10.00 ]
- A Portable Quad for 2 Meters
- Backpacking, boating or mountaintopping ? Invest your time and pack this novel directional gain antenna on your next expedition
[ Hits: 995 | Votes: 2 | Rating: 10.00 ]
- 3 elements Yagi for 50 MHz
- 6 Meter Direction Agile 3 Element Yagi Antenna
[ Hits: 473 | Votes: 1 | Rating: 7.00 ]
- HB9CV antenna
- An high performance directional antenna plan with dimensions for 40 to 10 mt bands
[ Hits: 1178 | Votes: 6 | Rating: 4.00 ]
- HB9CV antenna calculator
- Calculate dimension for HB9CV directional antennas
[ Hits: 2481 | Votes: 60 | Rating: 4.56 ]
- How to make a HB9CV
- The HB9CV is a well known two element antenna of a directional beam type with a forward gain of 4 to 5 dBd. This one is for two metres but it can be scaled, from the dimensions in the diagram, for other bands I have also made them for four and six metres
[ Hits: 650 | Votes: 2 | Rating: 1.50 ]
- 2m Halo Antenna
- Construction and analysis of a low cost omnidirectional horizontally polarized antenna for 144 MHz, including notes on halo antenna stacking
[ Hits: 558 | Votes: 3 | Rating: 7.00 ]
- Build your own Hexagonal Beam
- A web site dedicated to hex beam homebrewing. The hexagonal beam has become a wildly popular antenna. It is a directional antenna that provides great performance and does not require a full scale, expensive tower.
[ Hits: 841 | Votes: 0 | Rating: 0.00 ]
- G3FNZ Loop Antenna
- A directional active loop receiving antenna system by J A Lambert G3FNZ article published on Radcom in november 1982
[ Hits: 530 | Votes: 2 | Rating: 7.50 ]
- Double Half-Delta Loop RX Antenna
- This wire antenna was developed to offer for a small, low-band, ground independent directional receiving antenna, it requires only two support poles. It is basically composed by two interconnected half delta loops and is better than a single flag or EWE, and almost as good as two phased EWE in the same space.
[ Hits: 748 | Votes: 0 | Rating: 0.00 ]
- Curtain Antenna
- An antenna for shortwave radio broadcasting consisting of rows and columns of dipoles, is a high gain directional antenna, designed for medium and long range communications.
[ Hits: 606 | Votes: 0 | Rating: 0.00 ]
- Antenna Basics : Directional Antennas
- An article describing basic concepts of antenna radiation, and in particular directional antennas like Yagi antennas or Quad antennas and how they determine the direction or signals.
[ Hits: 152 | Votes: 0 | Rating: 0.00 ]
- Using a Directional Wattmeter to measure VSWR
- These simple instructions will guide you through the operations required to calculate antenna system VSWR: preparation, connecting the wattmeter, taking the readings, calculating VSWR, and disconnecting the wattmeter.
[ Hits: 157 | Votes: 3 | Rating: 4.33 ]
- The Skew-Planar Wheel Antenna
- This is a very useful aerial design,forgotten for 40 years. This antenna offer a low omnidirectional pattern and has circular polarization. Can be used as a beacon antenna and simulations are for U-VHF and upper
[ Hits: 493 | Votes: 3 | Rating: 4.00 ]
- The Turnstile antenna
- An omnidirectional and horizontally polarized VHF antenna by EA4EOZ
[ Hits: 655 | Votes: 2 | Rating: 1.00 ]
- Cookie Cantenna Wi-Fi
- Make a cheap, portable, high performance (15-18 db) directional antenna out of commonly available parts that can be purchased in most grocery and hardware stores.
[ Hits: 5831 | Votes: 3 | Rating: 10.00 ]
- Easy 2.4 GHz Omnidirectional Antenna
- A step by step guide to easily make a homemade antenna for the Wi-FI band and for a fraction of the cost of a common WIFI commercial antenna.
[ Hits: 2446 | Votes: 31 | Rating: 6.84 ]
- Manpack Communications
- A complete bi-directional APRS messaging station, made up of a Byonics TT4 with the companion display, Byonics GPS5 receiver, compact keyboard, Baofeng UV-3R+ with a telescopic whip antenna by VE6AB
[ Hits: 451 | Votes: 1 | Rating: 10.00 ]
- The express-pizza antenna
- Build a directional antenna for the 1.2 GHz band, in 15 minutes
[ Hits: 392 | Votes: 0 | Rating: 0.00 ]
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