Questions:
1. Explain the advantages and disadvantages of Amplitude and Frequency Modulation. What type of modulation is suitable to use for Earth to Space communications?
2. Explain Multiplexing in details and mention the advantages and disadvantages of different multiplexing methods.
3. Design a two wavelength monopole antenna for a dual band Wi- Fi system (2.49 GHz and 5.00 GHz). Show your work and calculations step-by-step including your calculate length of the antenna(s).
4. Explain in details the Line of Sight and the differences between different type of Line of Sights.
5. Explain Point-to-point and Point-to-multipoint communications and the purpose of them.