Confusion with frequency of Radio Exterior de Espana

SPAIN   Confusion with frequency of Radio Exterior de Espana on Feb.21:
1300-1600 NF 21630*NOB 250 kW / 272 deg to CeAm Spanish Mon-Fri, ex 21640
* co-ch BBC in Hausa 1400-1430

Radio Exterior de Espana on 21630 / 21640 till mid of February:
1300-1600 on 21630 NOB 250 kW / 272 deg to CeAm Spanish Mon-Fri
1300-1700 on 21640 NOB 250 kW / 272 deg to CeAm Spanish Sat/Sun

Radio Exterior de Espana on 21640 from mid of February:
1300-1600 on 21640 NOB 250 kW / 272 deg to CeAm Spanish Daily, including on Feb.20!
1600-1700 on 21640 NOB 250 kW / 272 deg to CeAm Spanish Sat/Sun