Ugly Balun (Coax Choke) Designer
An Ugly Balun, also known as a coax choke, is one of the simplest and most effective ways to suppress unwanted common-mode currents on an antenna feed line….

An Ugly Balun, also known as a coax choke, is one of the simplest and most effective ways to suppress unwanted common-mode currents on an antenna feed line….
This calculator helps you estimate coaxial cable loss at your chosen frequency and length. By entering frequency, cable type, and length (in meters or feet), you can see…

Estimate the maximum distance of your radio link based on frequency, transmitter power, antenna gain, and antenna height. The calculator also considers the optical line-of-sight limit — beyond…
Antenna design made simple Planning and cutting antenna wires often raises the same questions: how long should the dipole arms be?, what if I use insulated wire?, or…