This antenna can be rolled up into a coil and stored in your desk drawer or transported very easily in your pocket. And with the use of a common found rubber band or paper clip the "J" can be suspended anywhere. The "J" antenna has been stated to have approximently 3db of gain over a 1/4 wave ground plane. The advantages of this antenna can be plainly seen for emergency applications as well as other needs, ie. base, marine, and one of the best sneaky hidden "T"ransmitter antennas. Building this antenna is really quite easy items you'll need are 60" common TV twin lead coax RG-58U (multiples of odd 1/4 wave lengths 1 coax connector PL259 [BNC for HT use
