Reception of Manara Radio International via MBR Nauen, Feb.28

GERMANY(non)   Manara Radio International via MBR Nauen, Feb.28:
0700-0800 on 13840 ISS 150 kW / 170 deg to WeAf Hausa, very good
BUT on Feb.27/28 no signal from Radio Nigeria Kaduna:
0500-0700 on  7335 ISS 150 kW / 170 deg to WeAf Hausa
All relays of Radio Nigeria Kaduna via ISS have ended
0700-0800 on 13840 ISS 150 kW / 170 deg to WeAf Hausa >>> now Manara Radio Int
0800-0900 on 13840 ISS 150 kW / 170 deg to WeAf Hausa
0900-1500 on 17690 ISS 150 kW / 170 deg to WeAf Hausa
2000-2300 on  7235 ISS 150 kW / 170 deg to WeAf Hausa
https://www.youtube.com/watch?v=tkzjWPH0bm8&feature=youtu.be