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20 meter

316 links and 4 categories about 20 meter on dxzone.com

Result Page:  [prev] 1 2 3 4 5 6 7 8 9 10 11 12 13 [next]

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Antennas : 10M
  • A double extended Zepp for 10 meters - How to make a Double Extended Zepp Antenna, almost a conventional halfwave dipole fed in the center with 300 or 450 ohm feed line by kh6jrm
    [ Hits: 401 | Votes: 0 | Rating: 0.00 ]
Antennas : 20M : 20 meter Yagi antennas
  • Monoband Yagi for 20 meters  updated - A monoband yagi for 14 MHz a PDF article from 73 amateur radio magazine by AB4GX
    [ Hits: 807 | Votes: 1 | Rating: 8.00 ]
Antennas : 40M
  • 40 Meter Full Wave Loop - A 7MHz Full wave loop antenna in diamond shape for field day operations made with three 31 foot Jackite poles by N4KGL
    [ Hits: 395 | Votes: 2 | Rating: 6.00 ]
Antennas : 6M
  • Six elements for Six Meters - A Six-element Yagi Beam for 6 Meter by W1JR proiddes a power gain of 10.2 dB over a dipole it is built on a 24 foot long boom
    [ Hits: 184 | Votes: 1 | Rating: 10.00 ]
Antennas : 80M
  • 80m OCF Dipole - A simple 7 bands off-center dipole wire antenna designed to work on 80 meters band and that can cover also 40m 30m 20m 15m 12m 10m with acceptable SWR
    [ Hits: 573 | Votes: 1 | Rating: 2.00 ]
Antennas : Delta loop
  • SM2YER 40m Delta Loop - A delta loop antenna project for the 40 meters band but working even on 20 by SM2YER
    [ Hits: 388 | Votes: 1 | Rating: 9.00 ]
Antennas : Dipole Antennas : End-Fed : End Fed Half Wave Antenna
  • 40m 1/2 wave vertical antenna - Nice QRO end-fed vertical antenna for 40 meters band by PD9X
    [ Hits: 1415 | Votes: 4 | Rating: 7.00 ]
  • 20m end-fed Antenna - An end-fed halfwave antenna for 20 meters band with balun pictures and description by PD7MAA
    [ Hits: 484 | Votes: 0 | Rating: 0.00 ]
Antennas : Helical
  • Helical HF Portable Antenna - An easily transportable vertical antenna for 20 meters collapsible to 4 feet
    [ Hits: 844 | Votes: 0 | Rating: 0.00 ]
Antennas : HexBeam
  • HB9MCZ Home Made HexBeam - A project for a homemade multiband Hexbeam antenna for 10, 12, 15, 17 and 20 meters by HB9MCZ J-F. Zürcher, HB9MCZ
    [ Hits: 317 | Votes: 2 | Rating: 5.50 ]
Antennas : Loop
  • Tri-band Horizontal Triangular Loop Antenna - A small tri-band antenna that feature some interesting properties. Designed for the 20 , 15 and 10 meter bands, it can produce low angle high gain radiation patterns on all 3 bands in more than one direction which will make it a great antenna for the long haul.
    [ Hits: 277 | Votes: 1 | Rating: 8.00 ]
  • A multiband indoor loop antenna - An indoor antenna that works form 20 to 10 meters bands. A transmitting loop antenna that could be used for casual contacts and local rag chews by KH6JRM
    [ Hits: 345 | Votes: 1 | Rating: 1.00 ]
Antennas : Magnetic Loop
  • Octagonal Magnetic Loop Antenna - Octagonal magentic loop antennas that work from 20 to 10 meters with pictures and efficiency reports by G1KEA
    [ Hits: 268 | Votes: 1 | Rating: 9.00 ]
Antennas : OCF
  • Multi-Band OCF-dipole Antenna - An Off-center-feed antenna that covers 80, 40, 20, 17, 15, 12, 10, and 6 meters by NC4FB
    [ Hits: 671 | Votes: 2 | Rating: 4.50 ]
Antennas : Quad
  • Cubical Quad for 20 meters - W5DQV - January 1955 QST article by W5DQV about constructing a Cubical Quad antenna for 14MHz PDF File
    [ Hits: 270 | Votes: 3 | Rating: 4.67 ]
Antennas : Stealth
  • 10m – 20m Trap Dipole - How to operate on 10 and 20 meters in limited space with this trapped dipole.
    [ Hits: 519 | Votes: 3 | Rating: 4.67 ]
  • 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: 1014 | Votes: 0 | Rating: 0.00 ]
Antennas : Vertical
  • Multiband Vertical Antenna Project - A simple multiband vertical dipole antenna for 20 meters and above, with a tuner, that will provide gain and a circular pattern on the higher bands.
    [ Hits: 627 | Votes: 1 | Rating: 7.00 ]
  • 20m Quarter Wave Vertical - A quarter wave vertical antenna for 20 meters band, with a good swr on 200 KHz. This antenna is basically made from two lengths of emt conduit by N0EQ
    [ Hits: 666 | Votes: 1 | Rating: 10.00 ]
  • A HF dual band trap antenna - A dual band coax trap antenna designed to work on 20 and 30 meters or on 20 and 40 meters band by Phil W0XI
    [ Hits: 281 | Votes: 3 | Rating: 7.33 ]
Operating Modes : SSTV : SSTV Images
  • KE5RS SSTV Cam List - 24 Hours of SSTV Images received at KE5RS on 20 meters band
    [ Hits: 76 | Votes: 1 | Rating: 8.00 ]
Technical Reference : Arduino Technical Reference : QRP Projects : QRP CW Transceiver
  • 20m CW QRP Transceiver - A pocket sized CW transceiver for 20 and 30 meters band
    [ Hits: 458 | Votes: 1 | Rating: 10.00 ]
Technical Reference : Test Equipment
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