Patent ID: 8102325

Claim:
A GNSS antenna, which includes: a base including a conductor ground plane; a radiating element; an adjustable support connected to said base and to said element and supporting said element in adjustable relation over said ground plane; said element support adjustably reconfiguring said antenna by repositioning at least a portion of said active element relative to said ground plane; and a variable gain pattern corresponding to said variable active element configuration relative to said ground plane; said element support having a lower end mounted on said ground plane and an upper end mounting said element; said element support being vertically adjustable and adapted for raising and lowering said element relative to said ground plane; said active element comprising a crossed-dipole radiating arm element assembly including a central hub mounted on the central support upper end and multiple arms extending radially outwardly from said central hub; a support height adjuster comprising a servo drive motor mounted on said base; and said height adjuster adjusting the height of said support among said antenna configurations.