l antennas

l antennas

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• Quad Antennas for 50 MHz - Article by G4AON about a 4 and 2 Element Quad Antennas for the 6m band
  [ Hits: 898 | Votes: 3 | Rating: 5.33 ]

• Helical Antenna Design Calculator - Helical antennas invented by John Kraus give a circular polarized wave. They are one of the easiest to design. Find a tube with a circumference equal to one wavelength, and wrap wire in a helix spaced a quarter wavelengt
  [ Hits: 2112 | Votes: 15 | Rating: 6.41 ]

• Improving Surface Wave Antennas - Making the Short dual wire Beverage better by Jeff Smith VE1ZAC
  [ Hits: 401 | Votes: 1 | Rating: 4 ]

• Your first antenna - the half-wave dipole - RSGB article for beginners. How to build a dipole antenna, construction tips and correct setup of inverted-ve dipole antennas
  [ Hits: 380 | Votes: 0 | Rating: 0 ]

• End-fed wire antennas - An RSGB article on end-fed wire antennas and the W3EDP alternative.
  [ Hits: 1251 | Votes: 2 | Rating: 5.5 ]

• End Fed Half Wave Antenna Coupler - Centre fed half wave dipoles make great, simple and effective antennas for the HF bands. Sometimes however, the centre feed is not ideal. This great project will improve the overall antenna performance.
  [ Hits: 1405 | Votes: 1 | Rating: 10 ]

• 160-RV - Top Band G5RV Antenna - How to turn a G5RV antenna into a 160 meter band antenna with easy to find parts. A G5RV adapter for tob band by Thomas AD1B
  [ Hits: 2873 | Votes: 5 | Rating: 5.8 ]

• Cavity antennas - Cavity antennas are weatherproof antennas for UHF and microwave frequencies. Require more metal for the same decibels of antenna gain but a cavity antenna is relatively easy to weatherproof.
  [ Hits: 299 | Votes: 2 | Rating: 5.5 ]
• Cavity Backed Antenna - A cavity backed antenna is a practical slot antenna tipically used in microwave applications
  [ Hits: 234 | Votes: 1 | Rating: 1 ]

• Quadrifilar Helical Antennas - A page dedicated to the Quadrifilar Helical Antennas, with projects, pictures and antenna plans by OH2GVB
  [ Hits: 935 | Votes: 7 | Rating: 3.85 ]

• Low Band Receive Antennas - An interesting article about low band receive antenna for Urban QTHs
  [ Hits: 537 | Votes: 0 | Rating: 0 ]

• Revisiting the Resonant Feedline Dipole - An article on RFD antennas, resonant feed-line antennas
  [ Hits: 662 | Votes: 2 | Rating: 10 ]

• Shortwave Antennas - Introduction to Shortwave Antennas. Understanding Shortwave Radio Listening and Antenna Design and Construction
  [ Hits: 716 | Votes: 1 | Rating: 10 ]

• Antenna Basics : Directional Antennas - An article describing basic concepts of antenna radiation, and in particular directional antennas like Yagi antennas or Quad antennas and how they determine the direction or signals.
  [ Hits: 343 | Votes: 1 | Rating: 2 ]

• Gamma Match - Homebrewing a Gamma Match to tune yagi antennas
  [ Hits: 731 | Votes: 1 | Rating: 9 ]

• Homemade Carolina Windom antenna - An off centre fed dipole, with 10 feet of vertical radiator. It needs no tuner on 40m, 20m and 10m by M0UKD
  [ Hits: 1295 | Votes: 1 | Rating: 1 ]

• Yagi antenna and variations - Basic priciples of Yagi antennas and its variations like Quagi antennas, Quad antennas includes pictures, drawings and online calculators by KN9B
  [ Hits: 417 | Votes: 1 | Rating: 9 ]

• Raibeam Antennas - Ham radio yagi beam antennas manufacturer based in NY USA. Produce monoband and multiband yagi antennas fot HF and VHH
  [ Hits: 593 | Votes: 1 | Rating: 1 ]

• Vector network analyzer comparisons - Test comparison of different Vecto network analyzers, like N2PK VNA , AIM4170 by W5BIG , TenTec TAPR VNA , IW3HEV miniVNA , MFJ 259B using a HP 3577A VNA as reference by Rudy Severns N6LF
  [ Hits: 763 | Votes: 0 | Rating: 0 ]

• Transverters-Store - Transverters-Store is a online shop for low cost transverter boards, but also QRP transceivers, Active antennas, RF bridge and probes, Mic equalizers and other amateur radio accessories
  [ Hits: 664 | Votes: 3 | Rating: 5.67 ]

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