Provided is a system, comprising: an information-providing device; and a flying object functioning as a stratosphere platform and equipped with a control device radiating a beam to form a wireless communication area to provide wireless communication service to a user terminal in the wireless communication area, wherein the information-providing device irradiates the flying object with a radio wave including a response signal to the beam when a frequency of the beam is a predetermined frequency band, and the control device comprises: a radio wave receiving unit receiving the radio wave; a non-target area judging unit judging whether a non-target area of the wireless communication service exists in the wireless communication area based on the response signal; and a flying object controlling unit controlling the flying object not to irradiate the non-target area with the beam in response to the non-target area judging unit judging that the non-target area exists.