z antenna
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Antennas : 15M- HF Copper Loop for 20 and 15 meters
- A Small Transmitting Loop Antenna for 14MHz and 21MHz.
This is an antenna you might consider if you have limited space, by Lloyd Butler VK5BR
[ Hits: 7741 | Votes: 1 | Rating: 5 ]
- J Beam antenna for 2 meters and up
- Article by Ed Bathgate, N3SDO as published in CQ VHF Magazine July, 1988
[ Hits: 2998 | Votes: 0 | Rating: 0 ]
- Bazooka antenna for 40 meters
- A bazooka antenna project for the 7 Mhz, includes dimension for to homebrew your own bazooka for HF bands
[ Hits: 8641 | Votes: 13 | Rating: 6.69 ]
- A Horizontal loop for 80 meter dx
- This 80-meter quad loop system requires only supports of modest height a better single-element antenna may be hard to find
[ Hits: 6559 | Votes: 4 | Rating: 5.5 ]
- Top Loaded Portable Vertical
- A 3.5 Mhz top loaded vertical antenna built using 2 elevated radials by DJ9RB
[ Hits: 2495 | Votes: 0 | Rating: 0 ]
- Design your Own Super J Pole
- Javascript for calculating the lengths of tubing to be used for the construction of a Super J-Pole in a collinear design
[ Hits: 18228 | Votes: 36 | Rating: 6.71 ]
- T2FD, The Forgotten Antenna
- The terminated tilted, folded dipole T2FD is a little known antenna that performs excellently. Compact in size compared to a half-wave dipole the T2FD provides signal gain, wide frequency coverage, and exceptionally low noise characteristics.
[ Hits: 4884 | Votes: 3 | Rating: 8.33 ]
- K7MEM Center-Fed Half-Wave Dipole ( 3-30 MHz)
- A Center-Fed Half-Wave Dipole is probably the simplest of antennas to construct and use. It is usually suspended between two supports, from it's end insulators, and has the feedline hanging from the center.
[ Hits: 4111 | Votes: 11 | Rating: 6.27 ]
- How to make a Simple Dipole Antenna
- It is very easy to create a simple 1/2 wave dipole, all you need is some lengths of wire such as the core of some mains flex or even a straightened out metal coat hanger, some co-ax cable and a connector for your scanners antenna input
[ Hits: 4053 | Votes: 7 | Rating: 6.71 ]
- Inverted V antenna
- A french document about Inverted V dipole antennas
[ Hits: 2601 | Votes: 1 | Rating: 1 ]
- 2.4 Ghz double quad antenna
- An easy to build, compact antenna for wireless lan applications that offers a reasonable amount gain.
[ Hits: 2618 | Votes: 4 | Rating: 1 ]
- Helical Feed Antennas
- Helical antennas have long been popular in applications from VHF to
microwaves requiring circular polarization, since they have the unique
property of naturally providing circularly polarized radiation. Paul Wade W1GHZ
[ Hits: 1917 | Votes: 2 | Rating: 3 ]
- J-pole Antenna
- J-pole antenna made easy using a twinlead by W4ZT
[ Hits: 2332 | Votes: 1 | Rating: 1 ]
- The Lindenblad antenna
- The ultimate satellite Omni Antenna by Howard Sodja, W6SHP. The Lindenblad antenna consists of four half wave folded dipoles slanted 30 degrees to the horizon, oriented 90 degrees to each other in azimuth, spaced 0.3 wavelength apart
[ Hits: 3721 | Votes: 6 | Rating: 7.67 ]
- Loop Antennas and Calculator
- KA1FSB loop calculator give you a quick overview of the feasibility of "squeezing" a loop into your available yard or apartment space. The easy calculator yields a reasonable approximation of dimensions, to within 5% over the amateur bands, using typical wire gauges ranging from 12-18 AWG.
[ Hits: 16095 | Votes: 60 | Rating: 6.52 ]
- KR1ST Magnetic Loop Antenna
- This receive only loop covers a frequency range of about 5 MHz to 22 MHz and is built from readily available parts.
[ Hits: 2105 | Votes: 0 | Rating: 0 ]
- Magnetic antenna fo ULF
- Detection and recording of Schumann resonances and other electromagnetic phenomena at frequencies below 50 Hz By Hans Michlmayr
[ Hits: 1369 | Votes: 0 | Rating: 0 ]
- X-Beam antennas
- Two element X-Beam is a high-performance broad-band antenna that is ideal for Ham radio operators with limited space. X-Beams are inexpensive and easy to build. The performance of the simple X-beam is amazingly similar to larger, more conventional antennas by 4S7NR
[ Hits: 4040 | Votes: 11 | Rating: 7.46 ]
- Jpole for PMR-Radio
updated
- A 446 Mhz J-pole antenna
[ Hits: 4467 | Votes: 5 | Rating: 6.2 ]
- Yagi-logper
- Yagi-logper is a linux GPL program to model a Yagi or Log-periodic antennas with horizontal cylindrical dipoles.
[ Hits: 1684 | Votes: 3 | Rating: 7 ]
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