I have a hf mobile station using the Icom 706 MKII G and an Screwdriver antenna. Seems to work great. I have been thinking about mounting another Screwdriver antenna on top of my 10x20 foot and 9 ft
It will work better than it does on your car, but not as well as, say, a dipole. It is, after all, physically short, with a loading coil. The loading coil does have some loss. You're essentially look
1. Make a short, fat, low-inductance connection between the shield of the coaxial feedline and the metal of the garage roof at the feedpoint of the antenna. (Otherwise too much current will flow on t
Jim's comments are valid, and important. I regret that I did not qualify my reply to your question by making the same points. A short, low, vertical antenna will never work as well as a horizontal di
As an alternative to the bonding process, I laid 3 125-foot radials right on the galvanized 30 x 40 foot garage roof under my Butternut HF9V. I'm not sure whether this is theoretically enough couplin