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109 links about about v antenna on dxzone.com

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Antennas
  • RF Ground Radials Priority listing - Everything about RF Ground Radials. This site is dedicated to all things relating to antenna ground radials.
    [ Hits: 893 | Votes: 5 | Rating: 7.00 ]
Antennas : 10M
  • Shortened dipole for 10 & 40m bands - A shorten Dual-Band Dipole with overall length of about 11 m. For this antenna traps are substituted by inductors, in order to cover the 10 & 40 m. Bands.
    [ Hits: 3672 | Votes: 1 | Rating: 1.00 ]
Antennas : 2M
  • 3 elements VHF yagi antenna  updated - 3 elements VHF Yagi homebrew antenna designed with YAGIMAX 3. Maximum forward GAIN is about 8,17 DBi. This antenna offering an effective radiation power 4 times greater of the transceiver output by SV1BSX
    [ Hits: 9478 | Votes: 40 | Rating: 4.93 ]
Antennas : 80M
  • Wire Antenna for 75 and 80 Meters - This article is about a wire antenna that covers the entire 3.5 to 4.0 MHz band with an SWR below 2:1 consists of two coupled dipoles, one resonant at about 3.5 MHz and one resonant at about 4 MHz, resulting in the low SWR
    [ Hits: 1504 | Votes: 0 | Rating: 0.00 ]
Antennas : Delta loop
  • The Delta Loop - An informative page about delta loop antennas
    [ Hits: 8348 | Votes: 2 | Rating: 9.50 ]
Antennas : G5RV
  • G5RV Multiband Antenna - About the G5RV antenna, construction notes and tipical dimensions
    [ Hits: 1316 | Votes: 0 | Rating: 0.00 ]
Antennas : Helical
  • The Quadrifilar Helix Antenna - Article about quadrifilar helix antennas, electrical and physical characteristics, difference between quadrifilar and conventional helix
    [ Hits: 1409 | Votes: 3 | Rating: 9.33 ]
Antennas : Mobile Antennas : Multiband
  • Some plain facts about multiband vertical antennas - There is considerable confusion as to what exactly a multiband vertical antenna is. The confusion concerns the method of feed, how much mismatch one can expect, how many radials are required, how the particular antenna is built for multiband use, plus some other points.
    [ Hits: 1688 | Votes: 1 | Rating: 7.00 ]
  • Vertical antenna for Vacation - Vertical Vacation Antenna for 80, 40 and 20 Meter-Band, by Herbert OE3BMB This antenna is a full size λ/4 for 20m and 40m band, and a shortened λ/4 for the 80m band. Generally on the 40m band the SWR is under 1,6. In 80m and 20m band at the resonant frequency the SWR is about 1,1.
    [ Hits: 4551 | Votes: 4 | Rating: 8.00 ]
Antennas : Quad
  • The Grid Yagi for 144 Mhz - The Grid Yagi (or Grid Quad) is a high performance yagi antenna that can be built with readily obtainable inexpensive materials. Described here is a 6 element 2 meter version with a boom length of about 1 wavelength, shown
    [ Hits: 2103 | Votes: 2 | Rating: 5.00 ]
Antennas : Satellite
  • UHF Yagi for AO-40 - Based on DL6UW Yagi antenna's design-formula The forward gain is 13.6 dBi (about 11.5 dBd) and it's pretty small, about 1,5 m in length
    [ Hits: 2235 | Votes: 4 | Rating: 6.75 ]
Antennas : Theory
  • The humble Yagi or should that be Uda - Article about Yagi-UDA antennas
    [ Hits: 152 | Votes: 1 | Rating: 9.00 ]
  • HF Antennas 101 - Here are 10 tips and truisms that every ham should know about antennas, by W20QI
    [ Hits: 508 | Votes: 0 | Rating: 0.00 ]
  • About broadband - What you gain and what you lose. While broadband and electrically small antennas may look attractive on the surface, they are by necessity compromises and usually donít work as well as tuned antennas.
    [ Hits: 496 | Votes: 0 | Rating: 0.00 ]
  • Antenna-Theory.com - A source of knowledge for learning about and understanding antennas. The goal is to present a comprehensive tutorial on antennas.
    [ Hits: 536 | Votes: 3 | Rating: 6.67 ]
  • VHF antennas, construction and use - Article by VU2GT about VHF antennas, how to evaluate performances and models.
    [ Hits: 690 | Votes: 0 | Rating: 0.00 ]
Antennas : Theory : Antenna Gain Antennas : Theory : Impedance matching
  • The Clemens Match - About the clemens match for beam antenna, as an alternative to common gamma matching techniques
    [ Hits: 1033 | Votes: 0 | Rating: 0.00 ]
Antennas : VHF UHF
  • Patch antenna for APT - The patch, or microstrip, antenna has become a common workhorse for the microwave spectrum from about 1 GHz to tens of GHz. This type of antenna consists of two conducting layers separated by a dielectric to form an extended capacitor by WlHDX
    [ Hits: 887 | Votes: 1 | Rating: 10.00 ]
Antennas : Vertical Antennas : Windom
  • Off-Center Feed - The Windom Antenna - The Windom antenna was widely used in the 1930s and is named after the amateur that wrote a comprehensive article about it
    [ Hits: 3192 | Votes: 1 | Rating: 2.00 ]
Ham Radio : Blogs : Asia
  • VR2UIX Blog - This Blog is about the Hong Kong Radio Amateur Station VR2UIX, rigs, antennas, accessories, DXing activities, HAM resources, knowledge, theory, practices, management, information technology and personal interests.
    [ Hits: 114 | Votes: 0 | Rating: 0.00 ]
Operating Modes : Ham Radio Balloons
  • Balloon or kite antenna? Why not - Balloon antennas, mainly about using 2 balloons instead of one for a vertical antenna.
    [ Hits: 493 | Votes: 0 | Rating: 0.00 ]
Radio Equipment : HF Vertical Antenna : GAP Titan
  • About GAP TiTAN DX - Reports about gap titan antenna from other hams
    [ Hits: 2092 | Votes: 4 | Rating: 4.50 ]
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