--Hi, all. I am selling one of my CB/10 meter antennas and will be left with a Cushcraft AR-10. What exactly should be done to "convert" the AR-10 into an AR-11? (the AR-11 is a CB antenna that is no longer made...for you guys that have no idea what an AR-11 is). I like experimenting, so what I think I will do is just add a piece of tubing inside of the smallest. I think the smallest piece of aluminum tubing is 1/2 inch, so maybe I will just add a 7/16 inside of it, and adjust accordingly. I know there is a coax stub near the bottom of the antenna, but hopefully just adding the extra bit of tubing will be enough for use in the CB range and I won't have to mess with the coax stub. Any suggestions?