Very good signal of Channel Africa on March 16

SOUTH AFRICA   Very good signal of Channel Africa on March 16:
1500-1555 on 17770 MEY 250 kW / 019 deg to ECAf Swahili Mon-Fri. From March 26
1500-1555 NF 11880 MEY 250 kW / 005 deg to ECAf Swahili Mon-Fri, ex 15660 A-17
Other A-18 frequency changes of Channel Africa in English eff. from March 26:
0400-0455 NF  6180 MEY 250 kW / 019 deg to ECAf English Mon-Fri, ex  5980 A-17
0600-0655 NF 11980 MEY 250 kW / 315 deg to WeAf English Mon-Fri, ex 15255 A-17
1700-1755 NF 11745*MEY 250 kW / 328 deg to WeAf English Mon-Fri, ex 15235 A-17
* bad choice 11745 JED or RIY / unknown to N/ME Arabic BSKSA Al-Azm Radio A-18
https://www.youtube.com/watch?v=CJSQ1Bxlg5M&feature=youtu.be