vertical antenna

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vertical antenna

481 links - and 9 categories

Antennas : 160M
  • Short Vertical for 160 meters - A top band shortened vertical antenna project. This project includes drawing and MMANA-GAL output screens.
    [ Hits: 307 | Votes: 2 | Rating: 9 ]
  • Experiments with 160m antennas - Experimentin wire antennas on top band using several type of aerials. This includes a 40 to 160 meters EndFed Half Wave kite antennas and 160m/80m loaded vertical antenna.
    [ Hits: 177 | Votes: 0 | Rating: 0 ]
Antennas : 6M
  • Short vertical for 6 meters - A 30 cm antenna for the six meters band in japanese
    [ Hits: 185 | Votes: 1 | Rating: 1 ]
  • G3JVL Vertical Antenna for 50 MHz - The G3JVL 6M ground plane vertical is a compact antenna that is ideal for portable operations. It packs away into a small bag only 1.3 metres long which is an ideal size for hand-baggage on aircraft.
    [ Hits: 244 | Votes: 2 | Rating: 9.5 ]
  • 6 metre SOTA Antenna - A simple and light vertical coaxial dipole for 50-52 MHz band, designed for portable SOTA operations based and inspired by the VK2ZOI flower pot antenna
    [ Hits: 164 | Votes: 0 | Rating: 0 ]
Antennas : 70cm
  • Coaxial Collinear Antenna for 70 CM Band - This coaxial collinear antenna was built to test for my own consumption whether or not this antenna method actually works. the guiding principle is that we have multiple 1/4 wave elements fed in series , the radiation from each adds in phase to produce a large vertically polarised omni-directional antenna with substantial gain
    [ Hits: 565 | Votes: 3 | Rating: 6.33 ]
  • 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: 173 | Votes: 6 | Rating: 8.83 ]
Antennas : 80M
  • Dedicated 80m Vertical - A dedicaed vertical antenna for 80 meters band based on a 40 meter vertical experiment
    [ Hits: 222 | Votes: 1 | Rating: 4 ]
Antennas : Antenna Calculators
  • Loaded Quarter Wave Antenna Inductance Calculator - Here is a formula and calculator for creating a loaded (shortened) quarter wave vertical or balanced dipole. The calculation refers to either a loaded 1/4 wave or a loaded dipole
    [ Hits: 162 | Votes: 0 | Rating: 0 ]
  • Coil-Shortened Vertical Antenna Calculator - You can shorten a vertical antenna by using a loading coil. This online calculator tells you how the amout of inductance your loading coil will need to have.
    [ Hits: 309 | Votes: 2 | Rating: 5.5 ]
Antennas : Dipole
  • How to Tune Dipole Antennas - This is a standard calculation method that can help you while tuning dipole antennas, by adjusting wire lengths. This method can be used also when you need to add lenght to your wires, and can be additionally used to quarter waves vertical antennas
    [ Hits: 335 | Votes: 5 | Rating: 8.6 ]
Antennas : J-Pole
  • Improving Gain of the Super J-Pole Antenna - The collinear J-Pole, often known as the Super-J, does improve the behavior over a regular J-Pole. there is an advantage when vertically combining 1/2 radiating sections to have a bit of separation between the half-wave end points. Get 0.8 dB more gain out of the trusty Super-J by replacing the traditional phasing stub with a long coil.
    [ Hits: 189 | Votes: 0 | Rating: 0 ]
Antennas : Stealth
  • 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 ]
Antennas : Theory
  • Improve your Antennas for Low Solar Activity - How to improve your transmitting antennas for very low solar activity periods, vertically polarized 160 meter antennas, horizontally polarized 80 to 10 meter antennas, single or stacked yagis, multi-tower stations
    [ Hits: 418 | Votes: 0 | Rating: 0 ]
  • Understanding Antenna Polarization - What is antenna polarization, and why does it matter. Horizontal versus Vertical versus Circular polarization. Undestanding how antennas perform better with different polarizations.
    [ Hits: 169 | Votes: 1 | Rating: 2 ]
  • Groundplane Antennas at Various Heights - Mounting on roof at the right ground level can greately impact on antenna performances because will affect the radiated angle of energy.
    [ Hits: 178 | Votes: 3 | Rating: 6 ]
Antennas : VHF UHF
  • FBK 2m-70cm dualband coax antenna - A travel, or a fixed vertical coax antenna originally designed by PA0FBK. This antenna is very easy to make from a piece of 50 ohm or 75 ohm coaxial cable, and can be either smooth, roll-up version, or rigid cable
    [ Hits: 350 | Votes: 3 | Rating: 9.33 ]
Antennas : Vertical
  • 5 Band Pipe Vertical Antenna - A simple, cheap and easy to build 26 feet long vertical antenna that works DX on 20 - 10 meters including WARC Bands, it is designed for portability for field days, camping, or permanent installation, cost, and to achieve at least 1/2 wavelength on the WARC bands.
    [ Hits: 549 | Votes: 5 | Rating: 6.2 ]
  • Revisiting the Rybakov 806 Vertical Antenna - An article about the Rybakov 806 Vertical antenna. The classic Rybakov configuration is a 7.6m or 8m ( aprox 25 or 26 feet) wire fed through a 4:1 UNUN
    [ Hits: 450 | Votes: 4 | Rating: 5.75 ]
  • Trapped vertical Antenna - This antenna is an omnidirectional and multiband and it is well suited for DX enthusiasts with limited space. Each of the parallel circuits (trap) behaves like an isolator on its resonant frequency.
    [ Hits: 353 | Votes: 7 | Rating: 2.71 ]

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