Reception of Radio Nigeria Kaduna via TDF Issoudun in 22mb on Feb.7

FRANCE(non)   Radio Nigeria Kaduna via TDF Issoudun in 22mb on Feb.7:
0700-0900 on 13840 ISS 150 kW / 170 deg to WeAf Hausa, fair/good, BUT
0900-1500 on 17690 ISS 150 kW / 170 deg to WeAf Hausa, NO SIGNAL TODAY
2000-2300 on  7235 ISS 150 kW / 170 deg to WeAf Hausa, NO SIGNAL Feb.6
https://www.youtube.com/watch?v=H1CikT4wWOo&feature=youtu.be
https://www.youtube.com/watch?v=fqnbvvQhpJI&feature=youtu.be