As shown in ARISS calendar, preliminary scheduling shows ISS SSTV likely around April 12 (Cosmonautics day/Yuri’s Night). More details later once the official schedule is released in another week or so. (Credits: ARISS)
ARISS calendar with scheduled contacts by the ARISS operations team
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http://ariss-sstv.blogspot.com/2019/03/april-2019-sstv-planning.html