40 m dipol

40 m dipol

Pages: [prev] 1 2 3 4 5 6 7 8 [next]

• 10 Meter Vertical Dipole - Homebrew a vertical dipole for 28 Mhz by N2UHC
  [ Hits: 8221 | Votes: 9 | Rating: 6.68 ]

• The Battle Creek 40 80 160 m antenna - 3 Band vertical Marconi-antenna for the bands 40, 80, 160 meters with a ground net of wires as radials.
  [ Hits: 2728 | Votes: 3 | Rating: 8 ]

• VK5AH -HF 4 Bander dipole  ^pop - A multiband 80-40-20-15 meters dipole wire antenna that can be extended to cover 160 meters too.
  [ Hits: 54043 | Votes: 22 | Rating: 6.68 ]

• 40-80 Half-Extended Double Zepp Antenna - A dual-bander for 80M and 40m. An Extended Double Zepp (EDZ) is a 5/4 wavelength center-fed dipole. This article will introduce the Half-Extended Double Zepp (HEDZ) which has characteristics that a lot of amateur radio operators should find quite interesting
  [ Hits: 11398 | Votes: 9 | Rating: 4.44 ]
• NVI 40 Meter Antenna Modeling - The idea of using a low mount dipole, enhanced with reflector wires directly beneath the dipole, on the ground, appears to be a very good approach to creating an NVI specific antenna for local HF operation.
  [ Hits: 3007 | Votes: 0 | Rating: 0 ]
• JA7KPI Windom antenna for 40-80 - The total length of this antenna is 41m, height is about 11m, and diameter of element is 2mm. JA7KPI modified this antenna originally used as Inverted-V type of 80m band Dipole. Works on 40 - 80 meters band with acceptable swr.
  [ Hits: 7715 | Votes: 8 | Rating: 6.25 ]

• Dipole for 40 meters - Shortened dipole with traps for 40 meters band in portuguese
  [ Hits: 4345 | Votes: 4 | Rating: 5.5 ]
• Short 40m dipole - The GM4JMU Shortened 7Mhz Dipole
  [ Hits: 1393 | Votes: 1 | Rating: 8 ]
• Rotary Dipole for 30 and 40 meters band - Drawings pictures and notes on a rotary dipole antenna for 30 and 40 meters band
  [ Hits: 10406 | Votes: 1 | Rating: 2 ]
• Trapped dipole for 80 and 40 m - This article explores a theoretical model for the losses of an 80m / 40m trapped inverted V dipole antenna system using a bootstrap coax trap, but does not examine the pattern of the antenna.
  [ Hits: 2731 | Votes: 0 | Rating: 0 ]
• Portable Dipole Antenna for 7 MHz - A simple portable dipole antenna for the 40 meter band using a total lenght of 18 meter. It can be used for 80 to 10 meters coverage using a antenna tuner.
  [ Hits: 324 | Votes: 2 | Rating: 7.5 ]

• 40-80 Dipole antenna - A 40 80 dipole antenna design by WA6ESC PDF File
  [ Hits: 2653 | Votes: 3 | Rating: 5.33 ]

• 40 meter shortened dipole - M0MCX - Interesting little project with a couple of loading coils by M0MCX
  [ Hits: 14306 | Votes: 11 | Rating: 6.55 ]
• Rotatable Dipole for 40m-6m - This article describes a simple, inexpensive, dipole antenna that will rival the performance of a ten-meter beam.
  [ Hits: 4841 | Votes: 8 | Rating: 8.25 ]

• An improved 40-80 double extended zepp - Article originally published in ARRL compendium by N6LF revisits the classic double extended Zepp to improve pattern and SWR bandwidth. The DEZepp is essentially two end-fed collinear dipoles.
  [ Hits: 18765 | Votes: 10 | Rating: 6.53 ]

• QRP Fan Dipole - Attic Fan dipole antenna that allow to operate QRP from 40 metres to 10 metres, specifically 40, 20, 17, 15 & 10 meter band
  [ Hits: 8497 | Votes: 8 | Rating: 5.63 ]

• Indoor multiband dipole - This indoor dipole is available in two version for 20-10 meters and 40-10 meters. EZNEC data files available by HB9MTN
  [ Hits: 7089 | Votes: 5 | Rating: 7.2 ]

• 6-Band Windom antenna  ^pop - Theory and construction of a novel trapless center-loaded off-center-fed (cl-ocf) dipole or windom antenna for the 80, 40, 30, 20, 15 and 10m hf amateur radio bands
  [ Hits: 50579 | Votes: 45 | Rating: 6.82 ]

• BiQuad Antenna for 144/440 - This is a vertically polarized Broadside and Collinear Array each Loop is a vertically polarized Broadside Array both the right and the left side of the Loop is a bent 1/2 wave dipole working 180 degrees out of phase with the other one and that gives you 4.15dbi of gain by KE4UYP
  [ Hits: 7600 | Votes: 14 | Rating: 4.86 ]

• RippleTech Electronics - Wide bandwidth Trapped Verticals and rotary dipoles, baluns, 40m/80m wire dipoles and accessories from Australia.
  [ Hits: 1260 | Votes: 3 | Rating: 10 ]

Pages: [prev] 1 2 3 4 5 6 7 8 [next]