It wasn't an April fool !!
STRaND-1 is silent for the first time since launch on February 25 at 1231 UT.
Many stations were confirmed the absence of the data Beacon .
On 29 March I've notice STRaND-1 flipped to text message beacon .
and back to data beacon on 30 March .
March 31 No signal was detected over Europe Asia Japan Africa or Australia.
I've reconfirmed the absent of beacon At 16:30 UTC April 1st.