Radio Sultanate of Oman again on summer 9620 kHz, October 29

OMAN   Radio Sultanate of Oman again on summer A-19 freq.9620 kHz, October 29:
1400-1425 on  9620 THU 100 kW / 315 deg to WeEu NO SIGNAL, TRANSMITTER IS OFF,
from 1425 on  9620 THU 100 kW / 315 deg to WeEu Arabic, instead of English px,
& instead of 15140 THU 100 kW / 315 deg to WeEu English/Arabic in Winter B-18!
Something`s always wrong at R.Sultanate of Oman Thumrayt transmitting station!
https://www.youtube.com/watch?v=Sf7ET2DelmE&feature=youtu.be
https://www.youtube.com/watch?v=VMUUjexRX9c&feature=youtu.be