Write 600 words that respond to the following questions with your thoughts, ideas, and comments. This will be the foundation for future discussions by your classmates. Be substantive and clear, and use examples to reinforce your ideas. In radio communication systems, antennas play an important role in transmitting a signal from the source to receiving the signal at the destination. Explain how antennas work, different types of antennas, and their specifications. Describe the benefit of each type of antenna. Also, discuss what SWR (Standing Wave ratio) of an antenna is and how it is measured. You may search the web for more information.