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, Refection 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 the following features:

Half wave coax balun - Calculate the optimal length of a half wave coax balun for a given frequency

Narrowband balun - Calculate the inductance and capacitance of a narrowband balun

Small magnetic loop - Calculate the optimal lengths of a small magnetic loop for a given frequency

Full wave loop antenna - Calculate the optimal lengths of a full wave loop antenna for a given frequency

ERP and EIRP - Calculate and convert ERP and EIRP

RMS voltage - Calculate the RMS voltage

Pi attenuator - Calculate the values of the resistors by entering the attenuation and impedance

T attenuator - Calculate the values of the resistors by entering the attenuation and impedance

Inductors in series - Calculate the inductance of inductors in series

Inductors in parallel - Calculate the inductance of inductors in parallel

Doppler shift - Calculate the Doppler shift

业余无线电工具包是火腿无线电爱好者的最佳应用。它包含许多计算器，可帮助您为所有项目设计无线电和天线。

工具：

Q代码 - 常见Q代码列表

92代码 - 常见92代码的列表

RST代码 - RST代码列表

坐标计算器 - 输入您的梅登黑德广场，查找您的纬度和经度。

网格方形计算器 - 输入您的纬度和经度，找到您的梅登黑德广场

距离计算器 - 找到两个梅登黑德广场之间的距离

单位转换器 - 单位之间的转换

位置 - 找到您的位置

偶极天线 - 计算给定频率的偶极天线的最佳长度

垂直天线 - 计算给定频率的垂直天线的最佳长度

立方四方天线 - 计算给定频率的立方四方天线的最佳长度

倒V形天线 - 计算给定频率的倒V形天线的最佳长度

地平面天线 - 计算给定频率的地平面天线的最佳长度

J极天线 - 计算给定频率的J极天线的最佳长度

VSWR - 在VSWR，Refection系数，回波损耗和失配损耗之间转换

三元八木天线 - 计算给定频率的三元八木天线的最佳长度

七元八木天线 - 计算给定频率的七元八木天线的最佳长度

波长变频器 - 在波长和频率之间转换

空芯电感 - 计算空芯电感的电感或长度

低通滤波器 - 计算RC或RL LPF电路的单位

高通滤波器 - 计算RC或RL HPF电路的单位

欧姆定律 - 通过输入两个来转换电压，电流，电阻和功率

电抗 - 计算电容器或电感器的电抗

分贝计算器 - 在分贝值之间转换或通过输入功率或电压计算dB

分压器 - 计算一个电阻的输出电压或电阻

电阻颜色代码 - 通过输入频带的颜色来查找电阻的电阻

并联电阻 - 并联计算电阻的电阻

串联电阻器 - 计算串联电阻器的电阻

并联电容器 - 并联计算电容器的电容

串联电容器 - 计算串联电容器的电容

同轴电缆 - 计算同轴电缆的属性

摩尔斯电码

CW缩写

北约语音字母表

您可以升级到专业版以删除所有广告并获得以下功能：

半波同轴巴伦 - 计算给定频率的半波同轴巴伦的最佳长度

窄带巴伦 - 计算窄带巴伦的电感和电容

小磁环 - 计算给定频率的小磁环的最佳长度

全波环形天线 - 计算给定频率的全波环形天线的最佳长度

ERP和EIRP - 计算和转换ERP和EIRP

RMS电压 - 计算RMS电压

Pi衰减器 - 通过输入衰减和阻抗来计算电阻值

T衰减器 - 通过输入衰减和阻抗来计算电阻值

串联电感 - 计算串联电感的电感

并联电感 - 并联计算电感的电感

多普勒频移 - 计算多普勒频移