Empty carries observation on August 11

Strong unmodulated carriers were observed on August 11:
1000-1100 on  7330, 1101-1200 weak carrier
from 1000 on  9420, from 1015 ERT in Greek
from 1020 on 15630, from 1048 ERT in Greek
from 1100 on  9935, from 1102 ERT in Greek