In commemoration of the 20th Anniversary of ARISS, a Slow Scan Television (SSTV) event is planned for Thursday, July 20 starting around 21:25 UTC. The event plans to feature images from ARISS activities both past and present. This opportunity should cover most of the world during the operation period.
可见国际空间站的sstv实际开始时间是北京时间七月二十一日的05:25,大家不要算错时间。