Cubical Quad Antenna JS Calculator Posted in HamRadio A simple javascript to calculate QUAD Antennas <br /> This script was originally available at this address http://calc.n6ach.com/quad.html but page is currently returning a 403 error. Related Posts via TaxonomiesAntenna Wire LauncherEAntenna 40m Bazooka Antenna ReviewDouble Bazooka Antenna for 40 metersAn Improved Multiband Trap Dipole AntennaA Beginners’ Guide to Amateur Radio What is Amateur Radio? – Many Hobbies in One!Florence RadioFest 2019Using Solar Power and 12 Volt BatteriesVertical Dipole Antenna2.4 GHz Cubical Quad AntennaMy LoTW Certificate expired – It did it again!