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Most Popular Amateur Radio RF Safety Calculator
University of Texas Amateur Radio Club RFCalculator. This is a main beam power density estimation program intended for use as part of a routine evaluation of RF safety compliance with FCC regulations  Coil Inductance Calculator
Calculate the inductance of a singlelayer, aircore coil.  LCF Calculator
LCF online Calculator, calculate relation between Frequency Capacitance Inductance and Reactance  Coil Inductance Calculator
Approximate Air Coil Inductance Calculator  Online Calculators for Radio & Electronic Design
Online calculators for toroid coil, aircore coil inductance, XL, XC, and more.  Air cored inductor calculator
 Online calculator for Input coil data, LC Resonant Frequency and L match
[ Hits: 243  Votes: 0  Rating: 0.00 ]
 Amateur Radio RF Safety Calculator
 University of Texas Amateur Radio Club RFCalculator. This is a main beam power density estimation program intended for use as part of a routine evaluation of RF safety compliance with FCC regulations
[ Hits: 5727  Votes: 26  Rating: 7.81 ]
 Capacitance Calculator
 An online calculator for designing and evaluating capacitors based on the capacitor's area, separation, number, and dielectric constant
[ Hits: 120  Votes: 0  Rating: 0.00 ]
 Capacitor kVAr calculator
 Online calculator to determine the Capacitor kVAr required to improve the power factor from cos 01 to cos 02 with your present kW load
[ Hits: 1244  Votes: 46  Rating: 5.02 ]
 Coil Inductance Calculator
 Approximate Air Coil Inductance Calculator
[ Hits: 2136  Votes: 8  Rating: 4.37 ]
 Coil Inductance Calculator
 Calculate the inductance of a singlelayer, aircore coil.
[ Hits: 4129  Votes: 24  Rating: 5.30 ]
 Convert power levels between Watts, dBW and dBm
 Online calculator that allows to enter one value either in dBW, dBm or W and it will calculate the two other values
[ Hits: 211  Votes: 3  Rating: 1.67 ]
 DB Watts EIRP Calculator
 Online calculator, to convert dbWatts to Watts and viceversa, or ERP and EIRP by G4URH
[ Hits: 523  Votes: 14  Rating: 4.15 ]
 dbm Calculator
 The dbm online calculator and reference table for 50 Ohm
[ Hits: 444  Votes: 8  Rating: 5.12 ]
 Electrical Calculators Online
 Electrical and electronics online calculators by Calculatoredge.com
[ Hits: 351  Votes: 3  Rating: 2.00 ]
 Electronic calculator
 Some simple electronics calculator in javascript
[ Hits: 814  Votes: 3  Rating: 5.67 ]
 FIlters calculator
 Passive BandPass Filter, lowpass filter calculator
[ Hits: 295  Votes: 1  Rating: 2.00 ]
 Impedance Matching Network Designer
 An online multiple calculator of 16 impedance matching networks
[ Hits: 207  Votes: 2  Rating: 6.00 ]
 Inductor Calculator
 Calculate inductance online, with the cylindrical Coil Inductor Design Equations Formulas Calculator
[ Hits: 156  Votes: 0  Rating: 0.00 ]
 LCF Calculator
 LCF online Calculator, calculate relation between Frequency Capacitance Inductance and Reactance
[ Hits: 2309  Votes: 31  Rating: 3.87 ]
 mini dB Calculator
 dBCalculation for the experimenting radio amateur.
[ Hits: 1079  Votes: 5  Rating: 6.00 ]
 Mini Ring Core Calculator
 The easy way to calculate toroid cores.
[ Hits: 1439  Votes: 11  Rating: 5.18 ]
 Online Calculators for Radio & Electronic Design
 Online calculators for toroid coil, aircore coil inductance, XL, XC, and more.
[ Hits: 1688  Votes: 2  Rating: 10.00 ]
 Resistor calculator
 This resistor calculation tool shows which combinations of two resistors, series or parallel, gives a match better than the closest standard value.
[ Hits: 176  Votes: 0  Rating: 0.00 ]
 Resonant Frequency Calculator
 This web based application will compute circuit values required for an LC circuit to resonate at given frequency. Also it will compute the resonant frequency if given values for L and C.
[ Hits: 1622  Votes: 7  Rating: 5.57 ]
 RF Attenuator Calculator
 This is an online rf attenuator calculator provided free in order to promote the FLEXIBOX. Calculates the resistor values, attenuation, minimum attenuation, impedance, reflection coefficient, VSWR and return loss of a matching Pi attenuator
[ Hits: 175  Votes: 0  Rating: 0.00 ]
 Singlelayer Coil Inductance and Q Calculator
 This calculator ask as input diameter, lenght turn and frequencu and will return L and Q
[ Hits: 293  Votes: 3  Rating: 7.33 ]
 TPad / HPad Resistance Calculator
 This calculator is designed to give resistor values for unbalanced Tpads, and for balanced Hpads.
[ Hits: 1030  Votes: 10  Rating: 5.29 ]
 Variometer Design
 Online variometer calculator by IN3OTD
[ Hits: 263  Votes: 0  Rating: 0.00 ]
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Technical Reference : Calculators
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The DXZone is the largest human created and maintained library of web sites dedicated to Amateur Radio, currently lists 20.000+ links organized into 600+ categories and subcategories. Ham Radio operators review new sites every day since 1998, for potential inclusion in the Directory, and to evaluate the best place to list them.
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Capacitance Calculator
Impedance Matching Network Designer
RF Attenuator Calculator
Convert power levels between Watts, dBW and dBm
Air cored inductor calculator
Top Rated Amateur Radio RF Safety Calculator Coil Inductance Calculator TPad / HPad Resistance Calculator Mini Ring Core Calculator Capacitor kVAr calculator
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