4m antenna

4m antenna

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• Portable Yagi for 144MHz - A simple 7 element yagi antenna for 2 meters portable use
  [ Hits: 848 | Votes: 3 | Rating: 7.33 ]

• J-pole for 4m - 70 MHz jpole half wave antenna by G7OGQ and G8CVF
  [ Hits: 1009 | Votes: 1 | Rating: 8 ]
• 70MHz Delta Loop Antenna - A delta loop antenna for the 4 meter band by GW7AAV
  [ Hits: 1257 | Votes: 7 | Rating: 7.29 ]
• 70 MHz Delta Loop - A simple delta loop antenna for the four metre amateur radio band
  [ Hits: 537 | Votes: 6 | Rating: 7.17 ]
• 70 MHz 4m Slim Jin Antenna with Ladder Line - An experimental slim jim antenna for 70MHz band made with a wireman slotted line.
  [ Hits: 256 | Votes: 1 | Rating: 1 ]

• A 10-6-4 three band dipole antenna - A home made dipole antenna for 10m, 6m, 4m bands made with two sections of 450 and 300 Ohm ladder lines, cut to achieve acceptable SWRs on all bands
  [ Hits: 1020 | Votes: 5 | Rating: 8.2 ]

• Halo Antenna for 50 MHz - A well documented article about construction and analysis of a horizontally polarized halo antenna for 6 meters band by Dr. Carol F. Milazzo, KP4MD
  [ Hits: 1504 | Votes: 5 | Rating: 5 ]
• 2m Halo Antenna - Construction and analysis of a low cost omnidirectional horizontally polarized antenna for 144 MHz, including notes on halo antenna stacking
  [ Hits: 1013 | Votes: 9 | Rating: 5.34 ]

• The Lindenblad Antenna - Presentation - This is a presentation used at OVARC on the LindenBlad antenna construction. The presentation cover several topics about this antenna, from the basic antenna design, to the guide on how to contruct a custom lindenblad antenna for the 2 meters band and and 70 centimenters band.
  [ Hits: 645 | Votes: 0 | Rating: 0 ]

• The Balcony Mounted Magnetic Loop Antenna - A NEC Model Comparative Analysis of Physical Orientation and Performance. The small magnetic loop is a useful compromise antenna for limited space and portability. For this reason, the magnetic loop antenna is a practical high frequency antenna solution for the restricted space of apartment dwellers
  [ Hits: 815 | Votes: 3 | Rating: 9.67 ]
• A Small Loop for 20 and 15 meter band - A Small Transmitting Loop Antenna for 14MHz and 21MHz, an antenna you might consider if you have limited space, Based on material originally published in Amateur Radio, November 1991
  [ Hits: 421 | Votes: 0 | Rating: 0 ]

• 2m Moxon - A moxon antenna project for the 145 MHz
  [ Hits: 1657 | Votes: 5 | Rating: 3.6 ]
• 70MHz Moxon - A Moxon rectangle antenna for 4m by G6GVI
  [ Hits: 740 | Votes: 0 | Rating: 0 ]

• HF portable magnetic loop - Here is a well documented plan of a 20m-10m compact magnetic loop antenna. Article includes lots of pictures and technical details published by KP4MD
  [ Hits: 1058 | Votes: 1 | Rating: 10 ]
• Portable 2 meter Yagi - Building a 2 metre 144MHz VHF Yagi beam antenna, designed for portable use.
  [ Hits: 1433 | Votes: 11 | Rating: 6.48 ]
• Balcony Mounted Buddistick Antenna by KP4MD - The antenna handles 250 watts and covers 40 through 10 meters, with an optional add on coil for 80 and 60 meters. The author in this pages includes an interesting video in which describes the antenna setup, and the importance of the shunting coil on lower bands like 40 and 80 meters. SWR curves diagrams are also included and demonstrate the influence on resonating frequency of the shunting coil.
  [ Hits: 281 | Votes: 3 | Rating: 10 ]

• VHF / UHF Antenna Design - A dipole for 2m, 4m, 6m band an hamdwritten note for a homemade vhf antenna that can be tuned across the VHF band
  [ Hits: 1695 | Votes: 10 | Rating: 7.08 ]
• 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 ]

• ZS6BKW Antenna - How to Build a ZS6BKW Antenna, an optimised version of the popular G5RV multiband Antenna, basically a random length dipole with a 450 Ohm ladder line acting as a 1:1 transformer by VK4MDX
  [ Hits: 1749 | Votes: 2 | Rating: 7.5 ]

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

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