Q5.a) Meeting antenna tower twist and sway requirements so important in line of sight communication? Justify this statement and mention one precaution that may be taken to limit this twist and sway.
b) There are 10 line of sight microwave links in tandem. At the last receiver in the system we desire time availability (due to propagation alone) of 99.97%. What time availability must we assign to each link? Use the most conservative method.