Faulty transmitter of BSKSA from Riyadh

SAUDI ARABIA   Faulty transmitter of BSKSA from Riyadh with awful modulation
and shifted frequency plus 2.7-3.0 kHz was noted from October 25 as follows:
0400-0600 on 15285 RIY 500 kW / 190 deg to CSAf Swahili Radio Saudi International
0900-1200 on 17615 RIY 500 kW / 100 deg to SEAs Arabic Holy Quran Radio Riyadh
1200-1400 on 17625 RIY 500 kW / 100 deg to SEAs Arabic Holy Quran Radio Riyadh
1400-1600 on 17660 RIY 500 kW / 270 deg to WCAf French Radio Saudi International
1600-1800 on 15205 RIY 500 kW / 320 deg to WeEu Arabic Holy Quran Radio Riyadh
1800-2300 on  9555 RIY 500 kW / 295 deg to NEAf Arabic BSKSA General Service