2 Antenna configurations
radiated power in free space29. Further, it is extended
The proposed antennas are designed using low cost
to 8MRMSAA. The photograph of the fabricated
glass epoxy substrate material having dielectric
4MRMSAA and 8MRMSAA is shown in Fig. 2.
constant εr=4.2, and thickness h=0.16 cm. The
geometry of 4MRMSAA is shown in Fig. 1. The
3 Experimental results and discussion
elements of array are designed for 9.4 GHz frequency
The impedance bandwidths over return loss less
with dimensions (L=0.66 and W=0.98 cm). A
than –10 dB for the proposed antennas are measured.
rectangular wide slot of dimensions (L
The measurements are taken on Vector Network