Research Article

Dual-Band Operation of a Microstrip Patch Antenna on a Duroid 5870 Substrate for Ku- and K-Bands

Table 1

Dielectric properties of different substrate materials.

MaterialPermittivityLoss tangent

Duroid 601010.20.0023
AL2O39.80.0009
FR44.66 0.020
Duroid 58702.330.0023