Calculators are categorized under DSP, Antenna, Channel, Receiver and Radar segments. Works either in Standard and Metric units, and let you choose on material, and loopRead More. RF calculations and RF conversions include metric-standard, link budget, coax cable, power, attenuation, frequency and many more. These formulas are shown, more scientifically, in the image above. With GPS Coordinates of the two stations, the app can produce: - Distance between the two sites.