40 antenn

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40 antenn

508 links - and 10 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 : 160M
  • 160 meter linear loaded Inverted L antenna - The total length of the inverted L is 240 feet, which is 7/16th of a wave length long. It has a 92 foot horizontal linear load section 1 foot above ground that terminates into a home-brewed parallel network tuner by KN4LF
    [ Hits: 4156 | Votes: 5 | Rating: 5.6 ]
  • 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 ]
Antennas : 40M
  • 40M Reversible Moxon - Moxon antenna project, each side is 51 feet long and the turned in sections are each 7.7ft long. This antenna performed similar to a full size two element yagi for 40 meters.
    [ Hits: 4412 | Votes: 2 | Rating: 9 ]
Antennas : 40M : 40 meter Dipole Antennas
  • 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 : 40M : 40 meter Loop Antennas
  • Multi-Band Super Mini Loop Antenna - How to make the Super antenna. To build this antenna you need a lot that is at least 100 feet across. Antenna covers all bands 80-10 meters + 30, 17, 12 meter WARC Bands This antenna works as a Full Wave Loop on 80 Meters and also works as a 2 wavelength open loop or Bi-Square on the 40 Meter band
    [ Hits: 23204 | Votes: 8 | Rating: 6.95 ]
Antennas : 40M : 40 meter Yagi Antennas
  • VE7CA portable tribander yagi  updated - 30/17/12 and 20/15/10-Meter Tribanders and a 40 meters inverted V wire yagi antenna
    [ Hits: 2647 | Votes: 1 | Rating: 5 ]
  • 2 elements YAGI for field day operation - A wire yagi antenna for 20 and 40 meters band suitable for outdoor and field day operations
    [ Hits: 14560 | Votes: 7 | Rating: 6.14 ]
Antennas : 4M
  • Halo antenna for 70Mhz - Halo antenna for 4 meters band with dimensions, pictures and assembling instructions
    [ Hits: 5651 | Votes: 9 | Rating: 8.03 ]
Antennas : Dipole
  • Wire Dipole for 7.05 MHz - Inverted Vee antenna for 40m with simulation data by DF9CY
    [ Hits: 1624 | Votes: 0 | Rating: 0 ]
  • Inverted V - Described is a simple inverted-V antenna which, when used with a balanced ATU, can be used on all the main Radio Amateur HF bands (80, 40, 20, 15 and 10m). The cental support is made in such a way that the wire can be coiled up for storage when the antenna is taken down.
    [ Hits: 3398 | Votes: 1 | Rating: 8 ]
Antennas : EH
  • EH for 40 meters by CO6HK - Article on a homebrewed EH antenna for 40 meters band in spanish
    [ Hits: 2023 | Votes: 5 | Rating: 7.4 ]
Antennas : Feed Lines : Choke
  • Noise Reduction on 40m - DF9CY implementation of W1HIS suggestion of inserting a common mode choke into a 40m antennas feed-line.
    [ Hits: 1383 | Votes: 0 | Rating: 0 ]
Antennas : J-Pole Antennas : Moxon
  • Large multiband moxon antenna - This very large moxon antenna resonate on 80 40 and 10 meters, has been used for CQWW 2006 by a YU team project
    [ Hits: 4361 | Votes: 3 | Rating: 9.33 ]
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 ]
  • G3EJS portable antenna for the IC-703 - A portable antenna for 40 20 15 10 and 6 meters operations to be used and tuned with the Icom IC-703
    [ Hits: 3332 | Votes: 9 | Rating: 7.11 ]
Antennas : Satellite
  • UHF Yagi for AO-40 - Based on DL6UW Yagi antenna's design-formula The forward gain is 13.6 dBi (about 11.5 dBd) and it's pretty small, about 1,5 m in length
    [ Hits: 2468 | Votes: 4 | Rating: 6.75 ]
Antennas : Wire
  • 40M Inverted Vee - This simple antenna can be used in various configurations for 40/80/20 or any WARC band or a combination of them
    [ Hits: 3835 | Votes: 1 | Rating: 10 ]

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