ETS-Lindgren 3109 Biconical Antenna - Manual (Page 8)

8 | Introduction
Optional Items
M ODEL 3109P —P
ORTABLE E LEMENTS
Collapsible folding elements are available, making the Model 3109 portable and
ideal for field use. Both the standard rigid and optional folding elements attach to
the balun using screw mounts. This makes changing between the two types of
elements quick and easy.
M ODEL 3109PX —E
XTENDED P ORTABLE E LEMENTS
An extended version of the portable element is available. These folding elements
are twice as long as the standard elements. The longer elements enable you to
generate high fields at low frequencies with reduced applied power.
C ARRYING C ASES
Carrying cases for biconical antennas and portable elements are available.