1. The VOA (Voice of America) broadcasts at 18.3 MHz for the Greenville Relay Station. What is the frequency and wavelength of the electromagnetic radiation and what is the energy of the photons and the speed of the electromagnetic wave?
2. In the previous problem, if a worker is cutting grass twenty meters in front of the curtain antenna, is he in the near or far field? What units would the irradiation measurements be in?