Radio Sultanate of Oman with audio problem in English on Oct.21

OMAN   Radio Sultanate of Oman with audio problem in English on Oct.21:
1400-1420 on 15140 THU 100 kW / 315 deg to WeEu English audio problem &
1420-1455 on 15140 THU 100 kW / 315 deg to WeEu English, low modulation
from 1455 on 15140 THU 100 kW / 315 deg to WeEu Arabic, good modulation