translation.en: This transponder that we operate with the European Space Agency -- it gives us the benefit that every satellite that comes over to calibrate itself is taking a picture.
translation.zh: 这是我们与欧洲太空总署一同合作运转的无线电发射接收器 它带给我们利益是，校整每一个接近的卫星系统， 摄下卫星照片。