whose curl is equal to the magnetic flux density

whose curl is equal to the electric field intensity

whose divergence is equal to the electric potential

which is equal to the vector product E x H

the normal components of the electric field are equal

the tangential components of the electric field are equal

the normal components of the electric flux density are equal

the tangential components of the electric flux density are equal

the phase velocity is greater than the group velocity

the phase velocity is greater than velocity of light in free space

the phase velocity is less than the velocity of light in free space

the phase velocity may be either greater than or less than the group velocity

the r component of E is equal to zero

both r and $$\theta $$ components of H are equal to zero

the $$\theta $$ component of E dominates the r component in the far-field region

the $$\theta $$ and $$\phi $$ components of H are of the same order of magnitude in the near-field region