about v antenna

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about v antenna

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Antennas : 2M
  • 3 elements VHF yagi antenna - 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: 12788 | Votes: 56 | Rating: 4.47 ]
Antennas : 40M
  • JA7KPI Windom antenna for 40-80 - The total length of this antenna is 41m, height is about 11m, and diameter of element is 2mm. JA7KPI modified this antenna originally used as Inverted-V type of 80m band Dipole. Works on 40 - 80 meters band with acceptable swr.
    [ Hits: 7122 | Votes: 5 | Rating: 6.40 ]
Antennas : Delta loop
  • PY6CJ About Delta Loop antennas - Essential notes on building and dimensioning delta loop antennas for HF and VHF, in spanish
    [ Hits: 3807 | Votes: 0 | Rating: 0.00 ]
  • The Delta Loop - An informative page about delta loop antennas
    [ Hits: 9407 | Votes: 3 | Rating: 8.67 ]
Antennas : Dipole
  • Dipole Antenna Radiation Patterns - Much confusion exists about the radiation patterns of antennas. In particular, the horizontal dipole is misunderstood by most who use it.
    [ Hits: 1673 | Votes: 5 | Rating: 4.40 ]
  • Dipole antenna - Overview, summary, tutorial about the dipole antenna or dipole aerial that is widely used on its own and as the basis for other antenna designs.
    [ Hits: 3024 | Votes: 1 | Rating: 3.00 ]
  • Inverted V antenna - A french document about Inverted V dipole antennas
    [ Hits: 2472 | Votes: 1 | Rating: 1.00 ]
Antennas : Loop
  • Loop Antenna News and Information Forum - This is the Loop Antenna Group to Ask Your Questions, Get Answers and Information about Loop Antennas for improved your Radio Listening and Enjoyment.
    [ Hits: 1275 | Votes: 1 | Rating: 1.00 ]
Antennas : Magnetic Loop
  • 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: 1840 | Votes: 0 | Rating: 0.00 ]
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: 1759 | 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: 4812 | Votes: 4 | Rating: 8.00 ]
Antennas : Patch
  • 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: 1070 | Votes: 1 | Rating: 10.00 ]
Antennas : Portable
  • Homebrew Buddistick 2007 - W3FF article about the buddistick portable vertical antenna in a PDF file
    [ Hits: 5204 | Votes: 21 | Rating: 7.39 ]
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: 2271 | 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: 2319 | Votes: 4 | Rating: 6.75 ]
Antennas : Theory : Impedance matching
  • The Clemens Match - About the clemens match for beam antenna, as an alternative to common gamma matching techniques
    [ Hits: 1117 | Votes: 0 | Rating: 0.00 ]
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: 3383 | Votes: 1 | Rating: 2.00 ]
Contesting : Clubs
  • P3A - Russian contest team - On this page you will find information about previous, current and future operations of our contest team, different articles, links and info about contesting, DXing, contests calendar, propagation, antennas, equipment, awards, and much more.
    [ Hits: 424 | Votes: 0 | Rating: 0.00 ]
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: 182 | Votes: 0 | Rating: 0.00 ]
Ham Radio : Blogs : Europe
  • Passion RadioAmateur 2.0 - French Blog about amateur radio and new technologies, Internet, Hyperfréquences (SHF), DX Radio et Contests, Antennas and Videos by F1JXQ
    [ Hits: 238 | Votes: 0 | Rating: 0.00 ]
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