Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
위성에서 지상으로의 다운링크송신이 시작되었습니다.wisesaeseo jisangeuro-ui daunlingkeusongsin-i sijakdoeeossseubnida.The downlink transmission from the satellite to the ground has started.