I made my first Cantenna the other day using a 4 " diameter by 6 " length tin food can. The gain was not great but it did allow me to focus the signal without moving the laptop around and it did allow me to narrow down where a signal was coming from which was difficult with just the laptop.
I struggled a bit with the tools and had to improvise a lot.
What tools do you recommend ?
Is there a tool kit on ebay I can buy ?