Cut Numbers in the usual 5 digit groups, presumed M8, found in progress at 06:10z. Strong signal into StL. Off at 06:10, entire signal including carrier gone, then back about 1 min later. Power problems in Havana perhaps?
Off at 06:34z
What's interesting are the repeated strings just before breaks, before the more random strings continue:
"+ + + WUITN WUUTN WUUTN WUUTN WUUTN = = = "
and
"NWGUA NWGUA NWDUA NWGUA ===" in tonights example.