20m loop

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20m loop

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Antennas : 20M

  • 20m delta loop  pop - This antenna is fed for vertical polarisation, to give a low angle of radiation for DX and also a nearly omni-directional radiation pattern.
    [ Hits: 65709 | Votes: 69 | Rating: 6.71 ]
  • Speaker Wire Delta Loop Antenna for 20M - The antenna I built was inspired by a portable delta loop designed by Doug DeMaw, W1FB. Given that I constrained myself to a 50-foot roll of speak wire, I scaled my antenna for the 20M band. Using the formula, 1005 divided by the frequency in megahertz, I calculated a total length of 71 feet (21.6 meters) for the center of the 20M band.
    [ Hits: 126 | Votes: 0 | Rating: 0 ]
Antennas : 80M
  • A Horizontal loop for 80 meter dx - This 80-meter quad loop system requires only supports of modest height a better single-element antenna may be hard to find
    [ Hits: 6561 | Votes: 4 | Rating: 5.5 ]
Antennas : Delta loop
  • 40 Meter Parasitic Delta Loop  pop - 40 Meter 2 element full size parasitic delta loop wire beam construction and switchable
    [ Hits: 32902 | Votes: 37 | Rating: 6.07 ]
  • 2 Elements Delta Loop for 14 MHz - A delta loop antenna for 20 meters band designed with MMana with a tuning system made in a classic stub configuration
    [ Hits: 527 | Votes: 2 | Rating: 6.5 ]
  • 2 Elements 20m Delta Loop - A 2 elements delta loop antenna for 14 MHz with a MMana simulation file, dimensions, pictures of this aluminium tube based delta loop antenna, and matching system details.
    [ Hits: 588 | Votes: 1 | Rating: 6 ]
Antennas : End-Fed
  • Delta Loop vs End Fed Half Wave on 20m - Intrigued by a German OM positive experience with a 20m delta loop, the author replicated the design, noting its favorable 50-ohm impedance compared to their 40m version. Testing against a vertical EFHW, the delta loop excelled within EU but lagged at longer distances. Despite needing more testing, the user leaned towards the EFHW for its overall performance and practicality.
    [ Hits: 123 | Votes: 0 | Rating: 0 ]
Antennas : Indoor
  • 20m Indoor Loop Antenna - This antenna can gets you on the air on 14MHz, and it has a useable frequency range. The VSWR is almost perfect at the centre-frequency abd the design uses no expensive components.
    [ Hits: 664 | Votes: 4 | Rating: 6.75 ]
Antennas : Magnetic Loop
  • Wall Loop for 20m - This max size magnetic loop antenna for 14 MHz with a totall circumference of 6m is designed to attach to a wall
    [ Hits: 1418 | Votes: 2 | Rating: 1 ]
  • Magnetic Loop Antenna for 40-20m - If you have space constraint at your QTH for a HF antenna, you can try contructing this HF magnetic loop antenna for 40-20 meters bands
    [ Hits: 1527 | Votes: 2 | Rating: 3 ]
  • Magnetic Loop for 20 meters band - A magnetic loop antenna designed for 14 MHz. This kind of antennas is also known as STL, small transmitting loop and can be an excellent solution when you are not allowed to put antennas on your roof
    [ Hits: 204 | Votes: 0 | Rating: 0 ]
Antennas : Portable
  • HF portable magnetic loop - Here is a well documented plan of a 20m-10m compact magnetic loop antenna. Article includes lots of pictures and technical details published by KP4MD
    [ Hits: 1057 | Votes: 1 | Rating: 10 ]
Internet and Radio : WebSDR
  • WebSDR Wismar - This WebSDR is located in Wismar in the north of Germany JO53RV and operated by Frank Goehling DO7AX. There are four RTL2823U USB dongles with three Ham It UP up-converters for 80m/40m/20m and a RTL2832U for the 2m Band. The Antenna for 80/40/20m is a 84 meters Delta Loop.
    [ Hits: 381 | Votes: 4 | Rating: 10 ]

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