This portable antenna can be used for the top section of a Vertical Antenna
OR Horizontal elements for an Antenna System such as the Buddipole tm
...... A Great QRP / Portable Antenna weighs only 400 Grams [14 Oz ]
and measures 104" extended yet only 14" long when folded. Picture
The construction is the same as is used for sectional fishing poles. Each
of the 8 hollow tubular metal sections has a plug one one end and a socket
on the other end. All the sections are connected by a string made of either
a cloth or metal cord. At the bottom of the base element there's a spring
inside the tube to tension the cord. Some units may use an elastic
shock-cord material. This way all the elements are kept in order when
they are disconnected from each other and are held together...