Folding direction-finding communication line antenna apparatus

The invented antenna assembly is the antenna aerial array of multi-layer folding units. Each folding unit antenna comprises folding cross arm, folding vibrator, locating piece and sleeve as well as center rod, base, connecting rod and shaft lever parts etc. Multi-layer folding vibrator and sleeve make the vibrator possible to be folded and unfolded quickly. Multi-layer folding cross arms and locating pieces make the cross arms possible to be folded and unfolded quickly. The invention possesses the features of accurate positioning, easy operation, lightweight and small size. It is suitable to vehicle carried antenna assembly or in mobile station for communication countermeasures, radio direction finding and radio monitoring.