4 dipole antenna

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4 dipole antenna

221 links - and 1 categories

Antennas : 10M
  • Shortened dipole for 10 & 40m bands - A shorten Dual-Band Dipole with overall length of about 11 m. For this antenna traps are substituted by inductors, in order to cover the 10 & 40 m. Bands.
    [ Hits: 4137 | Votes: 1 | Rating: 1 ]
Antennas : 12M
  • Rotary dipole for 12/17 meters - A home brewed rotary dipole antenna for 12 and 17 meters band with pictures and construction details
    [ Hits: 8261 | Votes: 5 | Rating: 8.4 ]
Antennas : 40M
  • 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: 3004 | 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: 7711 | Votes: 8 | Rating: 6.25 ]
Antennas : 40M : 40 meter Dipole Antennas
  • Rotary Dipole for 30 and 40 meters band - Drawings pictures and notes on a rotary dipole antenna for 30 and 40 meters band
    [ Hits: 10401 | 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: 2730 | 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: 322 | Votes: 2 | Rating: 7.5 ]
Antennas : 4M Antennas : 6M
  • K0FF's 6 meter SLOOP antenna - It is more or less omni-directional, and horizontally polarized, it's just a dipole folded around on itself, and supported at the far (open) end with a plastic insulator.
    [ Hits: 4042 | Votes: 9 | Rating: 5.01 ]
Antennas : Antenna Calculators
  • W4HN Antenna Calculator - Calculate your dipole, 3 element yagi and a simple dipole
    [ Hits: 4848 | Votes: 32 | Rating: 5.84 ]
Antennas : Baluns : 4 to 1 balun Antennas : Dipole
  • K0RWU Multiband dipole 6-17 meters - This antenna consists of 4 resonate dipoles made from 12 insulated copper electrical wire. The dipoles are resonate on the following bands: 6 meters, 10 meters, 12 meters and 17 meters.
    [ Hits: 2208 | Votes: 1 | Rating: 10 ]
  • Mobile 10/80 dipole antenna setup - A mobile setup using a dipole antenna for 10 to 80 meters band in italian
    [ Hits: 8048 | Votes: 1 | Rating: 7 ]
  • An Improved Multiband Trap Dipole Antenna - This improved multiband trap dipole introduces a new trap design and a change in trap location. The antenna features double-coaxial-cable-wound traps having lower reactance and a higher quality factor (Q) than earlier coax-cable traps by W8NX
    [ Hits: 8726 | Votes: 5 | Rating: 6 ]
  • Wire Dipole for 7.05 MHz - Inverted Vee antenna for 40m with simulation data by DF9CY
    [ Hits: 1624 | Votes: 0 | Rating: 0 ]
Antennas : Fan Dipole
  • 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: 8491 | Votes: 8 | Rating: 5.63 ]
Antennas : Loop Antennas : Multiband
  • 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: 50563 | Votes: 45 | Rating: 6.82 ]
Antennas : Quad
  • 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: 7595 | Votes: 14 | Rating: 4.86 ]
Antennas : W3DZZ
  • W3DZZ multiband dipole - The multi-band trapped dipole is resonant on approx 3.7, 7, 14, 24 7 28.5 Mhz. The overall top length needs to be approximately 32.9 Meters
    [ Hits: 10466 | Votes: 20 | Rating: 6.9 ]

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