Radio Sultanate of Oman in Arabic on 15140 kHz from 14UT April 6

OMAN   Radio Sultanate of Oman in Arabic on 15140 kHz from 1400UT on April 6:
1400-1500 on 15140 THU 100 kW / 315 deg to WeEu Urdu+Arabic, instead English!
from 1500 on 15140 THU 100 kW / 315 deg to WeEu Arabic, as scheduled in A-20.
Something`s always wrong at R.Sultanate of Oman Thumrayt transmitting station
https://www.youtube.com/watch?v=1iNr2MsynE8&feature=youtu.be
https://www.youtube.com/watch?v=ffD8Lxte-P4&feature=youtu.be
https://www.youtube.com/watch?v=_TdDcHL7QSU&feature=youtu.be