Surprisingly good reception of Voice of Nigeria on April 22

NIGERIA   Surprisingly good reception of Voice of Nigeria on April 22/24:
2000-2100 on  9689.9 AJA 250 kW / 248 deg to WCAf Hausa
2100-2200 on  7255.0 IKO 250 kW / 248 deg to WeAf Fulfulde
2100-2200 on 11769.9 AJA 250 kW / 248 deg to WCAf Arabic