Simple Antennas for the Amateur Radio Operator--a continuing series
KH6JRM's Amateur Radio Blog Post # 170 A Simple 20-meter loop antenna I've always had a fascination with full-wave loop antennas for the amateur radio bands. While loops take up a lot of space, they are easy to make and generally quieter antennas than verticals. Most of the materials for loop antennas can be found at your nearest hardware store or in your garage. If you're a radio packrat such as I, you probably have extra wire and coax stashed somewhere near your shack. While there was a break in the rain showers that have soaked Hawaii Island for the past few days, I ventured into my flooded backyard to examine my antennas for signs of damage or loose connections. Apparently, a tree branch struck the 20-meter vertical dipole in back of the garage, necessitating lowering of the fiberglass mast and the removal of the wire elements. I decided to restring the 20-meter antenna as a full-wave loop fed by approximately 40 feet of RG-6 coax. I cut three, 23-foot l