The 2 Meter Collinear J Pole Antenna Project

The 2 Meter Collinear J Pole Antenna Projectby Sean M3FVB

Get ready for field day, mountain topping, emergency communications, roaming or just plane ham radio fun with this portable inexpensive 2 meter J designed to fit into a small foldup space that yields about 8db gain.

http://www.hamuniverse.com/2metercollinear.html