Alia Mokhtar Hassan  <br/><br/>
Design and implementation of GPS antennas /  
Alia Mokhtar Hassan ; Supervised Abdelmegid Allam 
 - Cairo :   Alia Mokhtar Hassan ,   2009 
 - 72Leaves :   charts ;   30cm 
<br/><br/>Thesis (M.Sc.) - German University - Faculty of Postgraduate Studies and Scientific Research - Department of Communication Engineering 
<br/><br/> Circularly polarized microstrip antenna is widely used for Global Positioning System (GPS) applications owing to its advantages of low cost, low profile and broad receiving pattem . The thesis presents the performance of three different designs of circularly polarized dual band GPS planner antennas . One of these antennas is a novel proposal