They are not telling us that the signal is morse code -— S.O.S.
Could be.
So much to consider.
Earth is flying through space.
Moon is rotating.
Moon is orbiting.
Orbitor is likely not aimed at earth at the moment.
...- —. . .-. -—... / .- .-.. .-.. / - .... . ... . / .— -— .-. .-.. -.. ... .-.-.- .-.-.- .-.-.- .-.-.-