40 meter

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40 meter

382 links - and 8 categories

Antennas : 40M
  • 2 element GP for 7 MHz - A 2-element Parasitic Ground Plane for 40 Meters concept antenna
    [ Hits: 539 | Votes: 1 | Rating: 10.00 ]
Antennas : 40M : 40 meter Delta Loop Antennas
  • 40 Meter Delta Loop - A multi band delta loop antenna that work on 20 and 40 meters band, that can be used either on 15 meters with poor performances
    [ Hits: 1220 | Votes: 1 | Rating: 10.00 ]
  • 7 MHz Alumium Delta Loop - An inverted triangle Delta Loop Antenna for the 40 meter band made with aluminium pipes, each element is 14,2 meters including a home made aluminium mount.
    [ Hits: 761 | Votes: 0 | Rating: 0.00 ]
  • 40-10 Delta Loop Antenna - A multi band inverted delta loop antenna project that can be used from 40 to 10 meters band with full details and analysis of antenna performances on each band, document includes EZNec reports and setup pictures
    [ Hits: 7704 | Votes: 10 | Rating: 8.09 ]
  • 2 element Parasitic Delta-Loop Array - Two-element Parasitic Delta-Loop Array for 40 Meters band modeled with CocoaNEC and NEC 2
    [ Hits: 902 | Votes: 0 | Rating: 0.00 ]
  • 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: 1230 | Votes: 4 | Rating: 5.75 ]
Antennas : 40M : 40 meter Dipole Antennas
  • Postage Stamp 40 Meter Wire Dipole Antenna - Build yourself a postage stamp 40 meter wire dipole antenna that fits in a space a little over 20 wide and works reasonably well at low heights
    [ Hits: 2351 | Votes: 5 | Rating: 6.50 ]
  • The 40 Meter Inverted V Antenna - This 40 meter Inverted V antenna was tested and tuned at a height of 35 feet and proved excellent results. The ends of the antenna are about 11 feet above the ground. Article and video available
    [ Hits: 674 | Votes: 2 | Rating: 9.50 ]
Antennas : Array
  • Optimized 40M Vertical Array - A two element 40 meter vertical antenna array. A real project built, tuned and tested.
    [ Hits: 799 | Votes: 1 | Rating: 4.00 ]
Antennas : Dipole
  • Homebrew 40-80 meter dipole - A 40/80 meters dipole made with two loading coils based on a project by IK1ZOY
    [ Hits: 674 | Votes: 3 | Rating: 9.00 ]
  • A Co-ax Trap Dipole - A Co-ax Trap Dipole For 40, 30 and 20 Meters or at Llast that was the intention
    [ Hits: 650 | Votes: 0 | Rating: 0.00 ]
Antennas : End-Fed
  • End-Fed 40-6 - End-Fed 6-40 Meter Multiband HF Antenna and an inexpensive, multiband, end fed HF antenna matchbox that is quick and easy to setup and use
    [ Hits: 1325 | Votes: 2 | Rating: 6.00 ]
  • Multiband End-Fed Antenna  updated - A homebrew project for a multiband end-fed antenna made with a single FT140-43 and 50pf capacitor and 20 meters of wire.
    [ Hits: 2371 | Votes: 6 | Rating: 6.33 ]
Antennas : G5RV
  • G5RV JR 10-40 - The G5RV JR cover 10-40 meters band a project by PU2OKE
    [ Hits: 1067 | Votes: 2 | Rating: 5.50 ]
Antennas : OCF
  • OCF Dipole - This is a popular antenna design as the performance is very good across the HF bands and requires little or no tuning. It is a dipole fed off center with a 4:1 current balun at the offset feedpoint. The antenna shown covers 80, 40, 20 and 10 meters with 15 meters and WARC bands
    [ Hits: 1326 | Votes: 2 | Rating: 9.00 ]
Antennas : Quad
  • Shrunken 40 Meter Phased Quads - A 2 element small footprint 40 meter phased, reversible, downsized quad array antenna.
    [ Hits: 726 | Votes: 3 | Rating: 9.33 ]
Antennas : Receiving
  • Triband Receiving Loop for 160/80/40m - A receiving only loop antenna for low bands, cover 160 to 40 meters with a remote antenna switch box well described and illustrated in this article
    [ Hits: 447 | Votes: 1 | Rating: 10.00 ]
Antennas : Tuners Antennas : Vertical
  • Multiband HF Dipole - A 40 ft vertical dipole antenna that can cover HF Bands from 80 to 10 meters winding a dipole in a 12m HD telescoping fiberglass pole
    [ Hits: 2499 | Votes: 6 | Rating: 6.33 ]
Technical Reference : QRP Projects
  • The VK3YE Micro 40 DSB Transceiver - A hombrew QRP transceiver for 40 meter band with many pictures, circuit and sound recording of some QSOs made with this Rig consisting of 5 transistor and one chip.
    [ Hits: 541 | Votes: 0 | Rating: 0.00 ]
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