Calculators

Calculators

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• Inverted Vee Antenna calculator - An inverted Vee antenna calculator that consider also minimun vertical height and horizontal spread by M0UKD
  [ Hits: 1588 | Votes: 11 | Rating: 6.27 ]
• Helical Antenna Design Calculator - Helical antennas invented by John Kraus give a circular polarized wave. They are one of the easiest to design. Find a tube with a circumference equal to one wavelength, and wrap wire in a helix spaced a quarter wavelengt
  [ Hits: 2162 | Votes: 16 | Rating: 6.63 ]
• Coil-Shortened Dipole Antenna Calculator - Build an effective dipole antenna that needs much less space by adding two loading coils. This online calculator tells you how.
  [ Hits: 1249 | Votes: 9 | Rating: 6.34 ]
• Microstrip Patch Antenna Calculator - This calculator calculates the length and width of a patch antenna based on the frequency, dielectric constant of the dielectric and the height of the thickness of the patch antenna substrate.
  [ Hits: 483 | Votes: 2 | Rating: 1 ]
• Full Wave Loop Antenna Calculator - Use this online calculator to determine the length of a full-wave loop antenna from the frequency. Both metric and English units of measurement are supported. Quarter-wave matching section lengths are also calculated.
  [ Hits: 930 | Votes: 6 | Rating: 7 ]
• Vertical Antenna Calculator  ^updated - Use this online calculator to determine the length of a quarter-wave antenna from the frequency. Both metric and English units of measurement are supported.
  [ Hits: 919 | Votes: 9 | Rating: 6.32 ]
• Dipole Calculator - Use this online calculator to determine the length of a dipole antenna from the frequency. Both metric and English units of measurement are supported.
  [ Hits: 944 | Votes: 11 | Rating: 6 ]
• 3 element Yagi Antenna On-line Caluclator - 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: 839 | 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: 163 | Votes: 0 | Rating: 0 ]
• Coil-Shortened Vertical Antenna Calculator - You can shorten a vertical antenna by using a loading coil. This online calculator tells you how the amout of inductance your loading coil will need to have.
  [ Hits: 312 | Votes: 2 | Rating: 5.5 ]

• Yagi antenna and variations - Basic priciples of Yagi antennas and its variations like Quagi antennas, Quad antennas includes pictures, drawings and online calculators by KN9B
  [ Hits: 425 | Votes: 1 | Rating: 9 ]

• Online Coil Inductance Calculator - This online calculator will return the inductance of a coil. It will ask you the total number of turns, the total diameter of the coil and its lenght, from the first winding to the last. Obtaining the correct inductance in winding a coil can be easy if you already know how many turns are needed. Available in inched and centimeters,
  [ Hits: 104 | Votes: 0 | Rating: 0 ]
• Amidon ferrite toroids calculator - Select the toroid by material type and dimension of the toroid, the desired inductance and you will get the numbers of turns
  [ Hits: 392 | Votes: 3 | Rating: 6 ]

• Capacitance Calculator - An online calculator for designing and evaluating capacitors based on the capacitor's area, separation, number, and dielectric constant
  [ Hits: 255 | Votes: 0 | Rating: 0 ]
• Online Inductive Reactance Calculator - An online inductive reactance calculator, accepts as input Frequency and Inductance
  [ Hits: 87 | Votes: 2 | Rating: 1 ]

• Coax Loss Calculator Online by K5VR - RF Feedline (Coax and Ladder-Line) Loss and ERP Calculators made with Javascript. This complex feddline loss calculator has already several line types paramenters for most common coaxial cables from Belden, Time LMR, Wireman and other common products. Result will give Matches loss, SWR loss, dB and Watts power loss.
  [ Hits: 252 | Votes: 2 | Rating: 5 ]

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