I need to make a few insulators for mobile radio transmitter antennas from 'plastic' rod sections each about 100mm long and 30mm diameter. The insulator will mount to the vehicle with a 3/8" x 24 thread on the rod centreline at one end and the antenna element likewise at the opposite end. Some...
Can anyone point me to a source of information regarding the effects of groundplane size and shape when used under a ceramic patch for GPS?
I am finding a considerable shift in the antenna's resonant frequency with different groundplane dimensions and I am concerned that the performance of our...
