Policy on Intellectual Property Right (IPR)
1 The formula for the radio
refractive index
2 Surface refractivity and height
dependence
2.1 Refractivity as a
function of height
2.2 Wet term of the
surface refractivity
3 Vertical refractivity gradients
3.1 In the first kilometre
of the atmosphere
3.2 In the lowest
atmospheric layer
4 Statistical distribution of
refractivity gradients
5 Surface and elevated ducts