During my recent holidays in Sardinia I’ve been experimenting some portable wire antennas.
Since some years to now, I use to bring with me just a 10m fishing pole and some wires. This year I’ve decided to take with me some thoroids, copper cable, and a solder… and homebrew a balun.
One of the balun I’ve used is the 9:1 balun, an impedance transformer to feed a high impedance, end fed random wire antenna connected to my fishing pole.
These are some schematics I’ve used as reference
I’ve used a T-200 thoroid for my 9:1 Balun, thin copper cable, and a PL coax connector.