Frequency change of Voice of Tibet on April 29

TAJIKISTAN(non)   Frequency change of Voice of Tibet on April 29:
1330-1337 NF  9826 DB  100 kW / 131 deg to CeAs Tibetan, ex  9834
1337-1400 on  9834 DB  100 kW / 131 deg to CeAs Tibetan no change
https://www.youtube.com/watch?v=lE2TnjH83Bw&feature=youtu.be
https://www.youtube.com/watch?v=dDwdpRTpQEY&feature=youtu.be