A signal in air (220) with the electric field component E 10 sin (wt + 3z) a, V/m hits normally the ocean surface at z = 0 as in Figure 10.19. Assuming that the ocean 4 mhos/m in ocean, determine surface is smooth and that = 80ɛ. Po, (a) w (b) The wavelength of the signal in air (c) The loss tangent and intrinsic impedance of the ocean (d) The reflected and transmitted E field HQ E ocean &=80 H₁₁ σ = 4