40m short antenna

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40m short antenna

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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 : 40M
  • 40m & 80m portable wire antenna - G8ODE antenna project, where the 40m & Short 80m antenna was deployed as a sloping wire antenna using the 10M fibre glass fishing pole and a hook on the house's gutter-board
    [ Hits: 3617 | Votes: 6 | Rating: 2.17 ]
Antennas : 40M : 40 meter Delta Loop Antennas
  • Short Delta Loop for 40m - A youtube video of a Short Delta Loop antenna, only 8,5 meters per side. This project use a loading coil of 56,7 uH for electrical matching.
    [ Hits: 3925 | Votes: 15 | Rating: 6.46 ]
Antennas : 40M : 40 meter Dipole Antennas
  • Rotatable 40M Dipole - The Linear-Loaded "Crappie" 40M Rotatable Dipole A Short 40 Antenna You Can Build for $50 or Less by VA7ST VE7ASK
    [ Hits: 1927 | Votes: 0 | Rating: 0 ]
  • Shortened Dipole for 40m - A shortened 7 MHz Dipole antenna as described by Ken GM4JMU in Sprat 74.
    [ Hits: 2347 | Votes: 10 | Rating: 7.5 ]
  • 40m Linear-Loaded Dipole - A short dipole wire antenna for 40 meters band. It is a folded dipole that do not make use of coils and can be used either in horizontal or inverted V configuration
    [ Hits: 1502 | Votes: 3 | Rating: 8.67 ]
  • 40m loaded dipole - This is an short dipole for 7 MHz. Total length of this dipole is just 10 meters, 33 feet. Missing lenght is balanced by a coil made of 49 turns of a 40mm diameter pvc pipe. The use of a choke balun is recommended, as always, to adapt the unbalanced coax cable to the balanced antenna, and to prevent RF feed back along the coax shield.
    [ Hits: 192 | Votes: 4 | Rating: 8.75 ]
Antennas : End-Fed : End Fed Half Wave Antenna
  • Shortened EFHW Antenna 80-10m - A shortened multiband antenna, about 23m long, for 80m - 10m bands with a low SWR (<1.3) on 80m and 40m, and <3 till 10m. Bandwith on 80m is 300kHz
    [ Hits: 4115 | Votes: 10 | Rating: 6 ]
  • End-Fed Half-Wave Antenna for 20m 40m 80m - How to Design and Build a Field Expedient End-Fed Half-Wave Antenna for 20m, 40m and 80m. This Shorty 80m EFHW comprises a 49:1 autotransformer (to match the very high impedance at the end of a half-wave wire), a half-wavelength wire for 40m (also a quarter-wavelength for 80m), a loading coil and a short tail wire. The coil and the short tail wire (about 6 feet) make up the other quarter wave on 80m.
    [ Hits: 139 | Votes: 1 | Rating: 4 ]
Antennas : Multiband
  • Vertical antenna for Vacation - Vertical Vacation Antenna for 80, 40 and 20 Meter-Band, by Herbert OE3BMB This antenna is a full size λ/4 for 20m and 40m band, and a shortened λ/4 for the 80m band. Generally on the 40m band the SWR is under 1,6. In 80m and 20m band at the resonant frequency the SWR is about 1,1.
    [ Hits: 5034 | Votes: 4 | Rating: 8 ]
Antennas : Vertical
  • Antenna vertcal 40M - Shortened vertical antenna for 40 meters band an homebrew project
    [ Hits: 1512 | Votes: 7 | Rating: 6.29 ]
Antennas : Wire
  • 40m Short Antenna  pop - GM4JMU shortened dipole for 40 meters band
    [ Hits: 27698 | Votes: 32 | Rating: 5 ]

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