antenna calculate

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antenna calculate

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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 : 6M : 6 meter Moxon Antennas
  • TriBand Moxon Antenna for 6m 4m 2m - A PDF presentation of a home made moxon antenna for 50 MHz 70 MHz and 144 Mhz. The project is mainly out of surplus plastic Plumbing pipes and clips etc, and also details of how the dimensions were calculated.
    [ Hits: 1353 | Votes: 7 | Rating: 7.11 ]
Antennas : 70cm
  • Cross-Yagi 10el Antenna for 70cm - 10 Elements Cross-Yagi Antenna for 433 MHz. The base of the 10el antenna is the recalculated RA6FOO antenna.Circular polarization is realized - by a phasing quarter-wave line, matching of horizontal and vertical polarization antennas
    [ Hits: 173 | Votes: 6 | Rating: 8.83 ]
Antennas : Antenna Calculators
  • J-Pole Antenna Plan and Calculator  updated - An online J-Pole antenna calculator that need just to input the frequency and calculates in inch size of each element
    [ Hits: 968 | Votes: 25 | Rating: 4.69 ]
  • Calculate Antenna Lenght in feet, inches and meters - Inches and meters Javascript Wavelength Calculator allow to input a frequency in MHz and calculate wavelenght in several units considering also fractions of wavelenght and the velocity factor. Includes an usefull inch to meter converter
    [ Hits: 502 | Votes: 3 | Rating: 4.67 ]
  • The Antenna Torque Calculator - This unique online tool helps Ham Radio operators to choose the right rotator for medium and large HF antenna systems. The algorithm implemented in this calculator is the result of 40 years of experience in the HF Antenna sector. Given the Wind Speed, the total antenna square area, and the boom length, it will return the calculated torque value.
    [ Hits: 178 | Votes: 1 | Rating: 1 ]
  • Magnetic Loop Antenna Calculator Spreadsheet - Excel spreadsheet that help calculating dimensions of a high efficiency magnetic loop antenna for HF bands. Giving in input the loop perimeter, loop diameter and loop conductor will calculate electric characteristics, bandwidth, and efficiency
    [ Hits: 1878 | Votes: 4 | Rating: 9.25 ]
  • Quad Antenna On-line Calculator - Cubical Quad Antenna On-line Calculator helps on defining the size of each element and spreader. Simply give the resonating frequency and it will calculate size of each element.
    [ Hits: 289 | Votes: 1 | Rating: 5 ]
  • Slim Jim Antenna Calculator by M0NWK - Easy to use online Slim Jim antenna calculator. Input your frequency to automatically calculate the lengths of the different antenna parts.
    [ Hits: 188 | Votes: 4 | Rating: 8.5 ]
Software : Antenna analysis
  • Balun_cmr Calculate common-mode impedance - This EXCEL Program Worksheet calculates the common-mode impedance of a 1:1 Guanella (current) balun which is placed at the feed point of a balanced antenna system fed via coax.
    [ Hits: 400 | Votes: 1 | Rating: 10 ]
Technical Reference : RF Safety
  • Magnetic Loop RF Safety - Notes on the intensity of RF Field calculated on magnetic loop antennas. The magnetic field intensity of a mag loop is considerably higher than the E field probably due to the inductive portion of the resonant circuit creating the radiation (magnetic) in the near field
    [ Hits: 855 | Votes: 3 | Rating: 4 ]

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