20 element

20 element

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• DK7ZB-5-Band-Quad - 2 element Quand antenna for 10 - 12 - 15 -17 - 20 meters band
  [ Hits: 10903 | Votes: 10 | Rating: 7.61 ]
• 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: 7915 | Votes: 5 | Rating: 9.4 ]
• 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: 4609 | Votes: 11 | Rating: 7.82 ]

• 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: 5374 | Votes: 3 | Rating: 5.33 ]

• 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: 7537 | 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: 11728 | Votes: 11 | Rating: 7.33 ]
• 2-Element-Yagis for HF  ^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: 50051 | Votes: 146 | Rating: 7.08 ]

• 43 element Yagi for 2 mt.  ^pop - 43 Element Yagi for 144.200 MHz by VE7BQH
  [ Hits: 27961 | Votes: 28 | Rating: 6.42 ]
• 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: 3899 | Votes: 6 | Rating: 4.67 ]

• 40 Meter Parasitic Delta Loop  ^pop - 40 Meter 2 element full size parasitic delta loop wire beam construction and switchable
  [ Hits: 32907 | Votes: 37 | Rating: 6.07 ]

• Maria Maluca Antenna by PY2BBP - The Maria Maluca HF multiband antenna as designed in 1957 by PY2BBP is a directive antenna for 15 meter and a passive element that works as director and reflector in different bands
  [ Hits: 342 | Votes: 1 | Rating: 10 ]

• W6NL 40m Moxon Yagi - Designed and built by W6NL looks like a loaded yagi this 2 element moxon antenna offer 6dbi
  [ Hits: 4644 | Votes: 11 | Rating: 4.91 ]

• 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: 5647 | Votes: 2 | Rating: 7 ]
• 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: 1542 | 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: 14911 | Votes: 14 | Rating: 5.79 ]

• A tri-band 2 element portable Yagi - HF Wire Yagi antenna with notes and eznec file on original article of a Portable 3-Band Yagi antenna for 10-15-20 meter band made with wire elements. Include link the original to QST article.
  [ Hits: 15051 | Votes: 4 | Rating: 7 ]

• 4 element yagi for 20 meters - Pictures and plans of a 4 elements yagi beam antenna for 14 Mhz
  [ Hits: 13796 | Votes: 26 | Rating: 4.33 ]
• 5 element yagi for 20 Meter band - Picture and construction details of a 5 element 20 meter monobander
  [ Hits: 5418 | Votes: 9 | Rating: 5.33 ]

• 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: 5303 | Votes: 21 | Rating: 6.1 ]

• Some good ideas for a big Delta Loop antenna - A 3 element DELTA LOOP on 20 meter, 4 on 15 and 5 on 10: my new beam (Just some good ideas)
  [ Hits: 7718 | Votes: 1 | Rating: 10 ]

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