This calculator is amazing, I've made many antennas with this and also shown many people how...
Como se hace y a que distancia se conecta el cable que luego baja el coaxial o sea explicar bien...
It is not a coaxial cable. It is a solid copper wire.
To update my previous message: Turned-out I was using a faulty SMA connector. It's working...
First calculator I see give transformer bandwidth. Nice to have