Many ground stations are reporting some issue about SSTV audio. Here are some communications from ARISS & AMSAT in amsat-bb.
Check them and follow for any update.
— ISS Ham (@RF2Space) April 12, 2019
Mail from Joe Spier:
ARISS Representative Ken Ransom, N5VHO posted a tweet on this at 1:17 AM
– 12 Apr 2019:
Today is a holiday for Russia – Cosmonaut’s Day, so message may take so
time (24 hrs). Enjoy the challenge.
-73, Joe Spier, K6WAO