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20 element

75 links about 20 element on dxzone.com

Result Page:  1 2 3 [next]

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Antennas : 10M
  • DK7ZB-5-Band-Quad - 2 element Quand antenna for 10 - 12 - 15 -17 - 20 meters band
    [ Hits: 9715 | Votes: 9 | Rating: 7.45 ]
  • Multiband Cubical Quads - EI7BA Multiband Cubical Quads projects, includes two elements quad antennas for 10 12 15 17 20 meters band. Performance considerations, detailed pictures and construction notes.
    [ Hits: 6691 | Votes: 4 | Rating: 9.25 ]
  • A 5 elements Vee log-yagi for 10m - 5 elements "vee" log-yagi for 10m band- boom lenght : 4mt. Gain : over 10 dBd , f/b =over 40 db (deep null) f/b= min 20dB for different polarization signals
    [ Hits: 4119 | Votes: 9 | Rating: 7.33 ]
Antennas : 17M
  • Aerialacts - MaxiMoxon is aerialacts trade name for its line of compact, monoband, two-element, uni-directional parasitic beam antenna arrays utilizing Yagi-style aluminum elements. MaxiMoxon models are available for the 20, 17, 15, 12 and 10 meter amateur radio bands.
    [ Hits: 3839 | Votes: 5 | Rating: 2.40 ]
Antennas : 20M
  • Cedevita-20 Antenna - The Cedevita-20 is a hybrid monoband antenna, the result of merging the radiator of a shortened vertical with one element of a dipole. It fits on most balconies and must be hung from the ceiling. By ik1zyw Paolo Cravero
    [ Hits: 4907 | Votes: 2 | Rating: 7.00 ]
Antennas : 20M : 20 meter Yagi antennas
  • PV4 4 element Yagi antenna - PV4, W2PV 4 element Yagi antenna as described in ARRL antenna handbook 15th edition for 20 meters band by T93M
    [ Hits: 6963 | Votes: 7 | Rating: 6.43 ]
  • 3 elements Yagi for 20 meters - A 3 Element Mono-band Yagi for 20 meters by Kees Wiegers, PA5CW (ex-PA3BHS)
    [ Hits: 10141 | Votes: 6 | Rating: 4.33 ]
  • 2-Element-Yagis for HF  updated  pop - 2-Element parasitic Yagis for the Shortwave-Bands 10-12-15-17-20-30m. The antennas are feeded with the DK7ZB-match. A quarter-wave choke of coax is grounded at the socket.
    [ Hits: 43006 | Votes: 122 | Rating: 4.67 ]
Antennas : 2M
  • 43 element Yagi for 2 mt. - 43 Element Yagi for 144.200 MHz by VE7BQH
    [ Hits: 25243 | Votes: 23 | Rating: 5.99 ]
  • QM5 Yagi for 2 meters band - The QM5 antenna is a simple 5 elements Yagi with 1.88 m boom length for the lower 144 MHz SSB/MGM band, I used it mainly for Sporadic-E and MS contacts. It exhibits a forward gain of 9.17 dBd; i.e. 11.3 dB forward gain over the isotropic radiator, while the F/R is about 11.5 dB. Elements
    [ Hits: 5975 | Votes: 4 | Rating: 5.25 ]
  • Stacked 7-Element-2m-Yagis - These yagis and groups were designed with YO7.23 from K6STI and checked with EZNEC from W7EL. With a gain of 14/17/20dBd they have a good relation between gain and mechanical problems.
    [ Hits: 3541 | Votes: 6 | Rating: 4.67 ]
Antennas : 6M
  • 6element 50 MHZ Yagi - Less than 20' long but super gain figure and wideband with flat SWR.
    [ Hits: 470 | Votes: 0 | Rating: 0.00 ]
Antennas : Delta loop
  • 40 Meter Parasitic Delta Loop  pop - 40 Meter 2 element full size parasitic delta loop wire beam construction and switchable
    [ Hits: 30896 | Votes: 30 | Rating: 6.53 ]
Antennas : EH
  • The EH Antenna analyzed - This report is a recent analysis of the EH antenna using the Pspice program and considering the antenna as a set of circuit elements
    [ Hits: 1139 | Votes: 1 | Rating: 10.00 ]
Antennas : Moxon
  • W6NL 40m Moxon Yagi - Designed and built by W6NL looks like a loaded yagi this 2 element moxon antenna offer 6dbi
    [ Hits: 3585 | Votes: 8 | Rating: 4.13 ]
Antennas : Multiband
  • The 5 Bands Wire-Beam - This wire-beam has one radiator-element, feeded with 450-Ohm-Wireman-twinlead and needs an antenna-tuner. For the bands 6m, 10m, 12m, 15m, 17m and 20m bended reflector-elements are used. The support is a cross of 4 fibreglass-fishing-rods
    [ Hits: 5302 | Votes: 2 | Rating: 7.00 ]
  • HF multiband vertical Antenna - YF1AR multiband vertical antenna, based on orginal concept by VE7BS. Consist of 6 vertical elements and 6 base radials with a single 50 Ohm feed line.
    [ Hits: 837 | Votes: 4 | Rating: 3.25 ]
  • 2-Element-DK7ZB-Quad for 5 Bands - 10-12-15-17-20m A description was in the German Ham-Magazine "Funkamateur" in Issue 11/2003
    [ Hits: 12873 | Votes: 12 | Rating: 5.42 ]
Antennas : Portable
  • A tri-band 2 element portable Yagi - Additional notes and eznec file on original article of a Portable 3-Band Yagi antenna for 10-15-20 meter band made with wire elements, original article published by VE7CA
    [ Hits: 13314 | Votes: 4 | Rating: 7.00 ]
Antennas : Quad
  • 80Mt rotating Quad - 2el 40Ft front to back spacing 80 meters Quad antenna
    [ Hits: 9039 | Votes: 2 | Rating: 4.00 ]
Antennas : Wire
  • Reflected M beam for 20 meters - The Reflected M beam is made from a pair of wires formed in the letter M that are back to back. One M serves as a driven element and the other can be either a director or a reflector
    [ Hits: 4228 | Votes: 2 | Rating: 3.50 ]
Ham Radio : Exams : Exam Questions
  • Technician Class Question Pool - Re-release of the 2006 Element 2 Technician Class Question Pool February 6, 2006 Valid until June 30, 2010
    [ Hits: 588 | Votes: 0 | Rating: 0.00 ]
Shortwave Radio : SWL Resources Technical Reference : Filters
  • A low pass filter circuit - A simple 7 element, Chebyshev low pass filter, rolls of at 30MHz. Attenuation is better than -40dB at 60MHz, -65dB at 90MHz, -80dB at 120MHz.
    [ Hits: 4370 | Votes: 17 | Rating: 5.94 ]
Technical Reference : Homebrew
  Result Page:  1 2 3 [next]
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