Surprisingly broadcast of ERT on July 28

GREECE    Surprisingly broadcast of ERT on July 28:
0400-0807 on  9420 AVL 170 kW / 323 deg to WeEu Greek
0400-0807 on  7475 AVL 100 kW / 285 deg to NoAm Greek, instead of 11645
0400-0807 on 15650 AVL 100 kW / 226 deg to CeAm Greek, instead of 15630