BSKSA General Service on unscheduled frequency on Nov.26

SAUDI ARABIA   BSKSA General Service on unscheduled frequency on Nov.26:
1200-1500 NF 17750 RIY 500 kW / 310 deg to WeEu Arabic, instead of 17705
// frequency 21505 RIY 500 kW / 295 deg to NEAf Arabic, as scheduled B16