Satellite communication earth station and communication control method

A satellite communication earth station for adjusting an azimuth angle, an elevation angle, and a polarization angle of an antenna to a communication satellite and then transmitting and receiving a radio wave between the antenna and the communication satellite, the satellite communication earth station comprising:

• a detection unit configured to detect a longitude, a latitude, an altitude, an azimuth, and an inclination of the antenna;
• a drive unit configured to drive the antenna to adjust the azimuth angle, the elevation angle, and the polarization angle of the antenna to the communication satellite;
• a determination unit configured to determine whether the longitude, the latitude, the altitude, the azimuth, or the inclination detected by the detection unit or the azimuth angle, the elevation angle, or the polarization angle driven by the drive unit makes a change from an initial setting value to a predetermined threshold values or more;
• and
• a stop processing unit configured to stop transmission of the radio wave from the antenna when the determination unit determines that the change from the initial setting value to the predetermined threshold value or more is made.