Annex 1
1 Ray bending
2 Effective Earth radius
3 Modified refractive
index
4 Apparent boresight angle
on slant paths
4.1
Introduction
4.2
Visibility
of space station
4.3
Estimation
of the apparent elevation angle
4.4
Summary
of calculations
4.5
Measured
results of apparent boresight angle
5 Beam spreading on slant
paths
6 Effective radio path
length and its variations
7 Propagation in ducting
layers
7.1
Influence
of elevation angle
7.2
Minimum
trapping frequency