formula for antenna calc

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formula for antenna calc

9 links

Antennas : 160M

  • Inverted L- Antenna for the TOP Band - An schema drawing and formula to calculate size of an Inverted L antenna for the 160 meters band, 1.84 MHz.
    [ Hits: 699 | Votes: 8 | Rating: 6 ]
Antennas : 20M
  • 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 : Antenna Calculators
  • 3 element Yagi Antenna On-line Caluclator  updated - This article includes an online calculator for a 3 element Yagi Antenna. The formula and basics theory of Yagi Antenna are also explained with examples.
    [ Hits: 834 | Votes: 19 | Rating: 4.59 ]
  • Loaded Quarter Wave Antenna Inductance Calculator - Here is a formula and calculator for creating a loaded (shortened) quarter wave vertical or balanced dipole. The calculation refers to either a loaded 1/4 wave or a loaded dipole
    [ Hits: 162 | Votes: 0 | Rating: 0 ]
Antennas : Feed Lines
  • Antenna Cable Loss and SWR - Calculate Cable Loss from SWR and reverse. Text file with only two simply formulas
    [ Hits: 2189 | Votes: 4 | Rating: 4 ]
  • Actual Antenna SWR - Easy for calculate formula which could be a wake-up call for you. The SWR value at the input of antenna cable is not a actual SWR of your favorite antenna.
    [ Hits: 4179 | Votes: 5 | Rating: 4.8 ]
Antennas : Theory
  • How does antenna height affect VHF communications - How to calculate range for a VHF antenna with a simple formula and how to increase VHF coverage.
    [ Hits: 631 | Votes: 2 | Rating: 9 ]
  • Designing Vertical Aerials - If you want to design vertical antennas you can find all theory and formulas used to model a vertical aerial calculating capacitance, reactance, building the inductor and calculating resistances. Includes an excel spreadsheet to calculate efficiency.
    [ Hits: 576 | Votes: 0 | Rating: 0 ]
Software : Android
  • Ham Radio Tools - A free app that is a reference guide that includes logging. It also has short Q code reference sheet, common formulas, and an antenna calculator.
    [ Hits: 574 | Votes: 1 | Rating: 10 ]

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