Patent ID: 7193567
Filing Date: 2007-03-20
Classification: H01Q

Abstract:
1. A microstrip antenna which provides for TM and GPS frequency coverage comprising: (a) a ground plane printed circuit board having a bottom surface covered with copper plate, said ground plane printed circuit board having a circular shape; (b) a circuit board positioned above said ground plane printed circuit board in alignment with said ground plane printed circuit board, said circuit board having an upper surface, a lower surface, and said circular shape; (c) a telemetry microstrip antenna spaced apart from and electrically separated from said ground plane printed circuit board by said circuit board, said telemetry microstrip antenna being tuned over an S-Band frequency range of 2.2 to 2.3 GHz; (d) said telemetry microstrip antenna including: (e) a square shaped GPS microstrip antenna mounted above said telemetry microstrip antenna on said circuit board, said GPS microstrip antenna receiving a second RF signal having GPS data contained therein; (f) a filter top printed circuit board positioned below said ground plane printed circuit board in alignment with said ground plane printed circuit board, said filter top printed circuit board having an upper surface, a lower surface, and said circular shape; and (g) said filter top printed circuit board including: