On the Design and Development of Planar Monopole Antenna for Bone Crack/Void Detection

Table 1

Characteristics of various layers of human arm.

Layer	Thickness (mm)	Relative permittivity (mm)	Loss tangent	Density (kg/m^3)
Skin	0.4	41.4	0.418	1100
Fat	30	5.46	0.186	1100
Muscle	69.6	55	0.342	1040
Bone	13	18.49	0.214	1008