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Antennas : Antenna Calculators Beverage Transformer Calculator
 W0FMS TwoWire Beverage (SWA) Transformer Calculator
[ Hits: 812  Votes: 6  Rating: 4.33 ]
 CenterFed Wire Dipole Antenna Tuning Calculator
 Ever need a way to estimate the amount of wire to add to or remove from a centerfed wire dipole antenna to achieve resonance at a desired frequency? This article help to determine correct wire lenght.
[ Hits: 745  Votes: 5  Rating: 3.60 ]
 Yagi Calculator
 Yagi Calculator is a Windows program that also runs well on Linux, Ubuntu 8.10 under Wine, to produce dimensions for a DL6WU style long Yagi antenna. Long yagis are commonly used from the 144MHz amateur band to the 2.4GHz band.
[ Hits: 1655  Votes: 27  Rating: 6.25 ]
 Archimedean Spiral Antenna Calculator
 This free online archimedean spiral antenna calculator uses a wire grid method of moments formulation to model a single or multiple arm spiral. The electric current is computed and used to construct the far zone radiation power pattern. The input impedance and directivity are also computed. Requires Silverlight installed.
[ Hits: 845  Votes: 29  Rating: 3.38 ]
 Circular Loop Antenna Calculator
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 This free online circular loop antenna calculator uses a wire grid method of moments formulation to model a single circular loop with a single feed point. The electric current is computed and used to construct the far zone radiation power pattern. The input impedance and directivity are also computed.
[ Hits: 956  Votes: 20  Rating: 4.40 ]
 Dipole Antenna Calculator
 This free online dipole antenna calculator uses a wire grid method of moments formulation to model a single center fed dipole. The electric current is computed and used to construct the far zone radiation power pattern. The input impedance and directivity are also computed.
[ Hits: 1179  Votes: 22  Rating: 4.22 ]
 Equiangular Spiral Antenna Calculator
 This free online equiangular spiral antenna calculator uses a wire grid method of moments formulation to model a single or multiple arm spiral. The electric current is computed and used to construct the far zone radiation power pattern. The input impedance and directivity are also computed.
[ Hits: 652  Votes: 22  Rating: 4.77 ]
 Cubical Quad Calculator
 An online javascript calculator for cubical quad antennas, simply input the resonating frequency to calculcate up to a five element quad antenna
[ Hits: 629  Votes: 9  Rating: 7.00 ]
 Patch Antenna Calculator
 This online microstrip patch antenna calculator determines the length and width of a microstrip patch antenna for a given frequency
[ Hits: 589  Votes: 8  Rating: 4.00 ]
 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: 99  Votes: 0  Rating: 0.00 ]
 AM Loop Antenna Calculator
^{updated}
 This online Loop antenna calculator will calculate Loop inductance and Lowest and highest tuned frequency
[ Hits: 743  Votes: 10  Rating: 5.69 ]
 Amateur Dipole Antenna Calculator
 This calculator is designed to give the horizontal length of a particular dipole including Tees, antenna, or one side of it, for the frequency chosen. Enter the desired frequency and select the desired calculation from the drop box
[ Hits: 511  Votes: 4  Rating: 7.75 ]
 Helix Antenna Calculator
 This free online helix antenna calculator uses a wire grid method of moments formulation to model a single or multiple arm. The electric current is computed and used to construct the far zone radiation power pattern. The input impedance and directivity are also computed. Requires Silverlight installed.
[ Hits: 919  Votes: 16  Rating: 5.32 ]
 Magnetic Loop Antenna Calculator
^{updated}
 Free windows program to calculate magnetic loop antenna.This small loop antenna calculator allow to determine capacitance and voltage based on Loop circumference, desired resonant frequency, conductor diameter and the operating power
[ Hits: 4041  Votes: 18  Rating: 6.50 ]
 Moxon Antenna Calculator
 Online Moxon antenna calculator. Design your moxon antenna online giving wire diameter and resonant frequency
[ Hits: 1725  Votes: 9  Rating: 7.22 ]
 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: 361  Votes: 0  Rating: 0.00 ]
 Coil32
 Coil32 is a free coil inductance calculator, that allows to calculate: single layer and multi layer air core coils, toroidal air core coils, inductors on ferrite rings, in pot core, flat coils on the PCB, and also LC resonance parameters. The program have additional plugins to calculate another kinds of coils.
The application is free for usage and distributing.
[ Hits: 1213  Votes: 4  Rating: 5.50 ]
 RF Calculators
 A collection of calculators from everything RF for various applications VSWR, attenuator resistance valies, microstrip, coax, unit conversions and many more.
[ Hits: 412  Votes: 2  Rating: 1.00 ]
 Singlelayer Coil Inductance and Q Calculator
 This calculator ask as input diameter, lenght turn and frequencu and will return L and Q
[ Hits: 281  Votes: 3  Rating: 7.33 ]
 Air cored inductor calculator
 Online calculator for Input coil data, LC Resonant Frequency and L match
[ Hits: 217  Votes: 0  Rating: 0.00 ]
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