Calculator

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Calculator

224 links - and 3 categories

Antennas : Antenna Calculators
  • 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: 1877 | 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 ]
  • Online Yagi Antenna Calculator - HF Beam Calculator for Amateur Radio and CB Communications
    [ Hits: 545 | Votes: 16 | Rating: 5.5 ]
  • The Magloop Antenna Calculator - The Magloop Antenna Calculator was developed to predict the characteritics of a small-loop (aka magloop) antenna, given physical dimensions entered via slider widgets. This magnetic loop antenna calculator works also on most mobile devices, adjusting sliders and calculating dimensions in real time.
    [ Hits: 297 | Votes: 5 | Rating: 8.2 ]
Antennas : J-Pole
  • J-pole antenna Calculator - Online calculator for J-Pole antennas. The J-pole antenna consists of a short and a long vertical pole with a feed point near the bottom. The antenna looks like the letter J, hence the name J-pole antenna.
    [ Hits: 416 | Votes: 0 | Rating: 0 ]
Operating Aids : Grid Squares
  • Maidenhead square Calculator - You can use this tool to calculate the maidenhead square by entering the longitude and latitude.
    [ Hits: 146 | Votes: 1 | Rating: 8 ]
Software : Antenna analysis
  • Antenna Calculation Software - The program consists of tabbed pages for various antenna and transmission line calculation. You can compute the values for an inverted L network that will allow you to match the 50 ohm output of the radio, or you can compute the necessary length in the units of choice for a 5/8 wave vertical for 10 meter band.
    [ Hits: 434 | Votes: 1 | Rating: 10 ]
  • Small Loop Antenna Calculator by KY8D - A free Labview antenna calculator program. This interesting calculator for small loop antennas can be ran on most recent Windows versions using the Labview runtime.
    [ Hits: 339 | Votes: 4 | Rating: 6.5 ]
Software : Circuit Design
  • mini Ring-Core-Calculator - Calculate windings on ferrite cores - The program can be used to calculate inductors (coils) and their number of turns on ferrite cores, ferrite shells and air coils. These can be used for baluns, Ununs, bandpass filters, low pass filters, resonant circuits, and more. The technical specifications of the cores are already integrated in the program. Application is free and runs on Windows 32 bit versions only. To make it run on Windows 10 64 bit need to be unzipped in a single folder.
    [ Hits: 390 | Votes: 1 | Rating: 1 ]
  • FT CALC 1.3 - Ferrite Toroidal Core HF Calculator - This EXCEL Program Worksheet calculates the safe operating conditons for a toroidal transformer operating between 1 and 50 MHz. Manufacturer data for complex permeability, magnetic dimensions, and saturation flux density must be available. Some core types which are commonly used in amateur transmission are included. The program produces limiting winding voltages for linear operation and temperature rise over the range of frequencies and power specified.
    [ Hits: 283 | Votes: 1 | Rating: 2 ]
  • Online Helical Coil Calculator - This online calculator will give as output the Inductance L of a coil, including the total lenght of the wire needed to wound the coil. As input, requires the Diameter, number of turns, wire diameter and turn spacing
    [ Hits: 341 | Votes: 7 | Rating: 5.71 ]
  • 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 ]
  • One-turn loop inductance Online Calculator - The high-frequency inductance of single-turn loops of various shapes made of round wire can be estimated accurately with a simplified formula
    [ Hits: 121 | Votes: 1 | Rating: 10 ]
  • 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: 391 | Votes: 3 | Rating: 6 ]
Software : Grid Bearing and Maps
  • Grid Calculator - Grid Calculator allows you to calculate either a grid square locator or the latitude and longitude of a location. Grid Calculator can be used to calculate a Great Circle bearing and distance between two stations in statute miles, nautical miles, and kilometers.
    [ Hits: 311 | Votes: 0 | Rating: 0 ]
Software : Utilities
  • Free ham radio utilities written in LabVIEW - Free ham radio utilities written in LabVIEW includes Open Wire Calculator, Dipole Peak/Null Angle Calculator, a Coil-Shortened Antenna Calculator ad interesting Round Coil Inductance Calculator and a Skyloop Antenna Calculator
    [ Hits: 294 | Votes: 2 | Rating: 5.5 ]
Technical Reference : Calculators
  • Online dBm to watts conversion - dBm to watts conversion calculator and explaination on how to convert dBm to watts, including dBm to watts conversion table
    [ Hits: 129 | Votes: 4 | Rating: 4.5 ]
  • mW to dBm Calculator - Online calculator that will convert power entered in milliwatts to dBm. Includes a quick mW to dBm conversion table
    [ Hits: 81 | Votes: 0 | Rating: 0 ]
  • RF Impedance Matching Calculator - Calculates the network to match a line to a specific complex load. This online tool calculates the matching network necessary to terminate a line of the specified characteristic impedence Zo in a specific complex load impedence RL + jXL at a specified frequency.
    [ Hits: 192 | Votes: 1 | Rating: 10 ]
  • Online Toroid Multi Calculator - This website provide online calculator for several values about a large variety of toroids. Freq/L/C/Z/Turns Calculator, Impedance Matching Network Calculator
    [ Hits: 210 | Votes: 3 | Rating: 5 ]

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