band 11

band 11

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• Portable tri-band Yagi - a portable 2 elements tri band yagi
  [ Hits: 5199 | Votes: 9 | Rating: 4.67 ]

• 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: 6869 | Votes: 4 | Rating: 5.25 ]
• QM7 7 elements 144 MHz Yagi-Uda Antenna - The QM7 antenna is a simple 7 elements Yagi with 3.70 m boom length for the lower 144 MHz SSB/MGM band, used it mainly for Sporadic-E and MS contacts. It exhibits a forward gain of 11.35 dBd; i.e. 13.5 dB forward gain over the isotropic radiator, while the F/R is about 12.5 dB
  [ Hits: 5361 | Votes: 15 | Rating: 5.27 ]

• BV6 50 Mhz Yagis - Two Yagis for six meters band, one 1 wavelength long with a gain of 9.5dBd, and the other a 2.1wl model with a gain of 11.8 dBd.
  [ Hits: 4895 | Votes: 6 | Rating: 7.5 ]

• 2.4GHz Helix antenna  ^{updated  pop} - Concise instructions on making a broadband helical antenna for 2.4GHz use, such as: 802.11b wireless networking 2.4GHz video links.
  [ Hits: 50985 | Votes: 111 | Rating: 6.16 ]
• A 16 Turn S-Band Helix - This design represents the smallest practical antenna for Oscar-13 mode-S. Perfect beacon reception at all times is possible, and acceptable SSB even at 43,000 km range.
  [ Hits: 8908 | Votes: 4 | Rating: 7.5 ]

• Multiband dipole comparison  ^pop - A comparison of different multi-band dipole techniques
  [ Hits: 34473 | Votes: 25 | Rating: 5.21 ]

• Broadband receiving antenna matching - This article addresses the subject of obtaining the best signal transfer from an antenna to the typical 50-ohm receiver input over a wide frequency range, with emphasis on medium-wave (500 - 2000 kHz), encompassing the standard AM broadcast band and the 160-m amateur band.
  [ Hits: 6689 | Votes: 4 | Rating: 6 ]

• VHF/UHF Yagi Antenna Design  ^pop - Design your VHF UHF Yagi antenna online, a JavaScript enhanced web page that implements the design of an antenna for 2m and 70cm bands. This page offers a streamlined experience for Yagi antenna design enthusiasts. It assumes prior knowledge of Yagi design principles, minimizing distractions with a user-friendly interface. Equipped with essential equations, it provides instant design feedback. Red font warnings indicate design limitations, ensuring practical results. Constraints include Gain (11.8-21.6 dBd) and Boom Length (2.2-39 wavelengths), with additional frequency-dependent restrictions noted in input fields.
  [ Hits: 147428 | Votes: 1105 | Rating: 6.95 ]

• BiQuad 802.11b Antenna - BiQuad 802.11b Antenna 11dBi, wide band by Trevor Marshall
  [ Hits: 8287 | Votes: 9 | Rating: 6.12 ]

• SIERRA PAPA, International Dx & Packet Group - International Organization working for a complete 11 mt. band, Radio Foundation G. Marconi's Memory
  [ Hits: 867 | Votes: 3 | Rating: 8.33 ]

• Freeband Academy 11DX - An 11 meter DX site promoting exemplary operating practices and a dedication to the betterment of the 11 meter DX radio hobby. A source of ""How To"" 11 meter information and learning for those new to Freeband DXing.
  [ Hits: 7325 | Votes: 118 | Rating: 7.31 ]

• SIERRA PAPA - International Dx & Packet Group - We are an International Organization working for a complete 11 mt. band - Radio Foundation G. Marconi 's Memory
  [ Hits: 2631 | Votes: 1 | Rating: 1 ]

• 45SD105 Vlada - Personal web site of a freebander, info on 11m digital modes, pictures of antenna projects
  [ Hits: 729 | Votes: 2 | Rating: 7.5 ]

• The #cq11 page - This is the official web page of the #cq11 IRC channel on Othernet Network. It was created to help users on 11m. band.
  [ Hits: 1036 | Votes: 1 | Rating: 3 ]

• Gizmotchy Antennas - The Gizmotchy high performance horizontal and vertical beam antenna for 2/6/10/11 meter bands
  [ Hits: 1146 | Votes: 2 | Rating: 4 ]

• Freeband EQSO Server - Eqso server for eleven meter freebanders. Only freebanders are allowed by this eqso server, based in spain
  [ Hits: 3239 | Votes: 30 | Rating: 4.76 ]

• 11 KW Linear amplifier by I0JX - Use 4CX10000D / 8171, RF output power of 11 KW in key-down carrier on all bands. Power was measured with a Bird 4712 wattmeter and a 25 KW slug
  [ Hits: 24611 | Votes: 33 | Rating: 7.86 ]

• Broadband news: EU sets bpl guidelines - The EU has followed the U.S. lead in clarifying rules surrounding BPL (broadband via power-line) technology
  [ Hits: 405 | Votes: 0 | Rating: 0 ]

• WD5HOH Regenerative(Regen) Receiver - This web page describes a small, single tuned circuit regenerative receiver primarily for daylight reception in the 16, 19, 22 and 25 meter international shortwave broadcast bands.
  [ Hits: 9369 | Votes: 8 | Rating: 6.5 ]

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