I've been meaning to post this for a week now. 4XZ, Israeli navy in Haifa was heard banging away in Radio Havana's side band a few times last week. I'm not sure but I think they have been there before. I can't find any mathematical solution to explain the signal so I am guessing it was real. They have turned op on 5000 khz in the past also. Since this is RHC we're talking about I at first assumed it was just another screw up from them but I recognized the ... VVV 4XZ 4XZ... even though I don't copy morse code because I've heard it so many times.