antennas 4m

antennas 4m

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Antennas : 20M : 20 meter Dipole Antennas

• Homemade 20 metre band Loft Dipole - An homebrewed dipole antenna for 14MHz
  [ Hits: 3078 | Votes: 3 | Rating: 3.67 ]

• G4CQM Homebrew VHF Yagi antennas - Homebrew VHF Yagi 50MHz 144MHz 432MHz 1296MHz 2320MHz 6M 2M 70CM 23CM 13CM Yagis
  [ Hits: 21439 | Votes: 104 | Rating: 8.46 ]

• 70MHz-Yagis - Various Yagi antennas for 70 Mhz band
  [ Hits: 5232 | Votes: 18 | Rating: 7.28 ]
• Vertical half-wave aerials for 4m - Practical designs pictures and alternative design of antennas for 70 Mhz by Ross Wilkinson G0WJR
  [ Hits: 8427 | Votes: 17 | Rating: 4.88 ]

• 3 Elements Yagi LFA for 50 MHz - A short 3 element LFA Yagi for 50MHz with a 1.94M boom. This antenna has been designed in order to minimise the upward and downward lobes typically seen the the EL plane on Yagi antennas.
  [ Hits: 226 | Votes: 2 | Rating: 8 ]

• A 70cm Big Wheel Antenna - This is a 70cm big wheel antenna which is used at DB0FAI beacon
  [ Hits: 3041 | Votes: 4 | Rating: 4.75 ]

• 2 Meter Indoor Slim Jim Antenna - 2 Meter Indoor Slim Jim Antennas for Cyclone Season and Other Uses by VK4MDX
  [ Hits: 1338 | Votes: 3 | Rating: 2.67 ]
• 20m Indoor Loop Antenna - This antenna can gets you on the air on 14MHz, and it has a useable frequency range. The VSWR is almost perfect at the centre-frequency abd the design uses no expensive components.
  [ Hits: 668 | Votes: 4 | Rating: 6.75 ]

• Antennas for HF mobile operation  ^pop - The following description should give you guidance on how to build a mobile antenna for HF bands yourself, using a very cheap CB-mobile whip antenna base. Antennas for mobile operation 7Mhz ,10Mhz, 14Mhz, 18Mhz, 21Mhz, 24Mhz,28-430Mhz
  [ Hits: 90297 | Votes: 80 | Rating: 5.12 ]

• Portable 2 meter Yagi - Building a 2 metre 144MHz VHF Yagi beam antenna, designed for portable use.
  [ Hits: 1433 | Votes: 11 | Rating: 6.48 ]
• 2 Meter Portable Yagi Antenna - 144MHz 2m Portable Yagi VHF Beam Antenna. This page contains construction details on a 2 metre 144MHz VHF Yagi beam antenna, designed for portable use.
  [ Hits: 135 | Votes: 0 | Rating: 0 ]

• VHF-UHF Long Boom Very High Performance Antenna Designs - Experimental Long Boom Antennas - CP, LPDA, multiband with several NEC Files for 50MHz 144MHz 222 MHz 432MHz but also 902MHz and 1296 MHz Antenna projects. Includes also for each antenna model, in a general comparison table each antenna characteristics including Directive Gain, G/T, E-F/R, H-F/R abd Boom Length. This is a great value comparison table of several commercial and home made VHF UHF antenna projects.
  [ Hits: 190 | Votes: 1 | Rating: 10 ]

• Comparison of 4m Antennas - A comparison of commercial 4m verticals by by Ian Hogan G6TGO
  [ Hits: 337 | Votes: 0 | Rating: 0 ]