Reception of Radio Exterior de España only on 15520 kHz, March 31

SPAIN   Reception of Radio Exterior de España only on 15520 kHz, March 31:
1400-1800 on 15520 NOB 200 kW / 110 deg to N/ME Spanish Sat/Sun, very good
1400-1800 on 17715 NOB 200 kW / 230 deg to SoAm Spanish Sat/Sun, no signal
1400-1800 on 17855 NOB 200 kW / 290 deg to ENAm Spanish Sat/Sun, no signal
1400-1800 on 21620 NOB 200 kW / 161 deg to WCAf Spanish Sat/Sun, no signal
https://www.youtube.com/watch?v=8xWnsThgnQc&feature=youtu.be