40m band

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40m band

105 links - and 2 categories

Antennas : 40M : 40 meter Delta Loop Antennas
  • 2 element Delta Loop for 40m - A hand made project by I5CDF of a 2 elements Delta Loop antenna for the 40 meters band in Italian
    [ Hits: 2886 | Votes: 7 | Rating: 4.86 ]
  • The 40m Delta Mono-Loop - A delta loop antenna project for the 40 meters band, include dimensions 80 meters band, with construction details, schematic and tuning instructions
    [ Hits: 4037 | Votes: 10 | Rating: 6.89 ]
  • Delta Loop DX Antenna for 40 meters band - A monoband delta loop antenna for the 7 MHz. This vertically polarized DX Antenna is a full wavelength sngle side antenna and has a total length of 42.3 meters (137,1 inch) Can be easily setup with a flag pole or fishing pole as center top mast. For optimal performance lower side should be at 2 meter above the ground. This antenna offers a low radiation angle and 1 DB Gain.
    [ Hits: 431 | Votes: 3 | Rating: 6.33 ]
Antennas : 40M : 40 meter Dipole Antennas
  • 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 ]
Antennas : 40M : 40 meter Magnetic Loop Antennas
  • 40m Small Loop Antenna - A well documented article on a small magnetic loop antenna for the 40 meters band
    [ Hits: 2433 | Votes: 7 | Rating: 5.14 ]
Antennas : 40M : 40 meter Vertical Antennas
  • 40m Vertical End-Fed Antenna - A quarter wave vertical end-fed antenna for the 40 meters band. As all vertical antennas, also this aerial requires a good earthing system. In this project the ground is composed by twelve 4, wires buried in the lawn by using a spade to create a slit to drop the wire into.
    [ Hits: 2688 | Votes: 7 | Rating: 5.43 ]
Antennas : 40M : 40 meter Yagi Antennas
  • 40m 2 Element Yagi Beam - A 40 meter band two elements yagi beam with a 6mt boom with pictures and drawings
    [ Hits: 5852 | Votes: 21 | Rating: 5.27 ]
Antennas : Array Antennas : Bazooka
  • Bazooka Antenne - A bazooka antenna design in German with dimensions for 20m and 40m band with RG174 coax cable stronger than the common RG58
    [ Hits: 1267 | Votes: 3 | Rating: 4.67 ]
Antennas : Dipole
  • Simple 20-40 m Dipole Antenna - A simple TRAP-dipole project for 20 and 40m bands includes EZNec simulations
    [ Hits: 1741 | Votes: 5 | Rating: 6 ]
Antennas : End-Fed
  • Multiband trapped end fed antenna - A multiband trapped end-fed antenna can cover 20 30 40m bands. An option for portable sota operations were weight end simplicity are essential
    [ Hits: 770 | Votes: 0 | Rating: 0 ]
Antennas : End-Fed : End Fed Half Wave Antenna
  • QRP Multi-band EFHW antenna for SOTA - Link End Fed Half Wave Antenna and Tuner for SOTA designed to work on 15m, 20m, and 40m.
    [ Hits: 1532 | Votes: 4 | Rating: 5.75 ]
  • 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 ]
Antennas : Fan Dipole
  • Compact fan dipole for 40 30 and 20 meters band - An homemade fan dipole antenna for 20 30 40 meter bands, setup in a 15 meter wide garden. The longest leg for 40 meter is folded to fit in the 7.5 m
    [ Hits: 1134 | Votes: 0 | Rating: 0 ]
  • Half Wave Fan Dipole Antenna - Amateur Radio 40m 20m 15m Half Wave Fan dipole antenna project with part list, pictures and drawing. Includes the option to expand the antenna to cover the 80 meters band
    [ Hits: 678 | Votes: 1 | Rating: 1 ]
Antennas : Four Square
  • 40m Compact 4-Square Antenna - The EA5AVL 40M Compact 4-Square Antenna was designed to provide excellent DX communications on the 40m band, utilising readily available components and be relatively easy to construct
    [ Hits: 1131 | Votes: 3 | Rating: 10 ]
Antennas : Vertical Radio Equipment : HF Vertical Antenna : Butternut HF2V
  • HF2V 80 40m Vertical - Article on the HF dual band antenna with construction details and how to add 160 meters to the HF2V
    [ Hits: 3022 | Votes: 10 | Rating: 7.2 ]
Radio Equipment : VHF-UHF Mobile : Yaesu FT-7800R Technical Reference : Receivers : Regenerative Receiver
  • A Progressive Communications Receiver - The purpose of this webpage is to document an attempt at this project starting with the 80m core receiver first and also having the parts on hand for then adding the first dual conversion band (40m)
    [ Hits: 430 | Votes: 1 | Rating: 10 ]

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