Amateur Radio Toolkit

Amateur Radio Toolkit is the best app for ham radio hobbyists. It contains many calculators to help you design radios and antennas for all your projects.

Tools:

• Q code - A list of common Q codes


• 92 Code - A list of common 92 codes


• RST code - A list of RST codes


• Coordinate calculator - Find your latitude and longitude by entering your maidenhead square


• Grid square calculator - Find your maidenhead square by entering your latitude and longitude


• Distance calculator - Find the distance between two Maidenhead squares


• Unit converter - Convert between units


• Location - Find your location


• Dipole antenna - Calculate the optimal lengths of a dipole antenna for a given frequency


• Vertical antenna - Calculate the optimal lengths of a vertical antenna for a given frequency


• Cubical quad antenna - Calculate the optimal lengths of a cubical quad antenna for a given frequency


• Inverted Vee antenna - Calculate the optimal lengths of an inverted vee antenna for a given frequency


• Ground plane antenna - Calculate the optimal lengths of a ground plane antenna for a given frequency


• J pole antenna - Calculate the optimal lengths of a J pole antenna for a given frequency


• VSWR - Convert between VSWR, Reflection coefficient, return loss, and mismatch loss


• Three element Yagi antenna - Calculate the optimal lengths of a three-element Yagi antenna for a given frequency


• Seven-element Yagi antenna - Calculate the optimal lengths of a seven-element Yagi antenna for a given frequency


• Wavelength frequency converter - Convert between wavelength and frequency


• Air core inductor - Calculate the inductance or lengths of an air core inductor


• Low-pass filter - Calculate the units of an RC or RL LPF circuit


• High-pass filter - Calculate the units of an RC or RL HPF circuit


• Ohm's law - Convert between voltage, current, resistance, and power by entering two


• Reactance - Calculate the reactance of a capacitor or inductor


• Decibel calculator - Convert between decibel values or calculate dB by entering the power or voltage


• Voltage divider - Calculate the output voltage or resistance of one resistor


• Resistor Color codes - Find the resistance of a resistor by entering the colors of the bands


• Resistors in parallel - Calculate the resistance of resistors in parallel


• Resistors in series - Calculate the resistance of resistors in series


• Capacitors in parallel - Calculate the capacitance of capacitors in parallel


• Capacitors in series - Calculate the capacitance of capacitors in series


• Coaxial cable - Calculate the properties of a coaxial cable


• Morse code


• CW abbreviations


• NATO phonetic alphabet

You can upgrade to the Pro version to remove all ads and get additional features such as Half wave coax balun, Narrowband balun, Small magnetic loop, Full wave loop antenna, ERP and EIRP, RMS voltage, Pi attenuator, T attenuator, Inductors in series, Inductors in parallel, and Doppler shift.