Frequency changes of Voice of America in Bambara

USA(non)   Frequency changes of Voice of America in Bambara:
2130-2200 NF  9620 ASC 250 kW / 027 deg to WeAf Mon-Fri, ex 7310
2130-2200 NF 12040 WOF 300 kW / 180 deg to WeAf Mon-Fri, ex 9620
2130-2200 on 13670 GB  250 kW / 094 deg to WeAf Mon-Fri no change
2130-2200 on 15110 GB  250 kW / 094 deg to WeAf Mon-Fri no change