Cubical Quad Antenna JS Calculator Posted on September 5, 2016 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 TaxonomiesFlorence RadioFest 2019Using Solar Power and 12 Volt BatteriesVertical Dipole Antenna2.4 GHz Cubical Quad AntennaMy LoTW Certificate expired – It did it again!HF antennas for high rise dwellers200 Morse Code QSOsThe W3DZZ AntennaW2BRI Magnetic Loop homebrewing guideHow to measure bandwidth