An Optimal Electric Dipole Antenna Model and Its Field Propagation

Table 5

The electrical parameters of strata.

Strata	Attribute	Conductivity	Thickness
		S/m	m
Quaternary	Alluvial sand, clay	0.01	20
Cretaceous	Sandstone	0.006	180
	Coal	0.01	2
	Conglomerate	0.01	200
	Coal	0.01	3
	Conglomerate mixed with mudstone	0.008	160
Jurassic	Marl	0.003	260
	Volcanic rock	0.001	240
	Conglomerate	0.01	200