The take-off angle for the curved earth surface is given by ____
(a) β = 90 – θi – 57.3d/2R
(b) β = 180 – θi
(c) β = 180 – θi – 57.3d/2R
(d) β = 90 – θi
I have been asked this question in an online quiz.
I need to ask this question from Multi Hop Propagation topic in portion Virtual Height, Critical Frequency and Muf of Antennas