Frequency changes of Voice of Tibet, April 4

TAJIKISTAN(non)   Frequency changes of Voice of Tibet, April 4-5:
1200-1210 NF 11507 DB  100 kW / 095 deg to EaAs Chinese, ex 11508
1210-1230 NF 11513 DB  100 kW / 095 deg to EaAs Chinese, ex 11503
1230-1235 on 15517 DB  100 kW / 131 deg to CeAs Tibetan unchanged
1235-1305 NF 15527 DB  100 kW / 131 deg to CeAs Tibetan, ex 15523
1305-1335 NF 15528 DB  100 kW / 131 deg to CeAs Tibetan, ex 15522
1335-1400 on 15517 DB  100 kW / 131 deg to CeAs Tibetan unchanged
https://www.youtube.com/watch?v=l2cGkfC6j-o&feature=youtu.be
https://www.youtube.com/watch?v=QmYGf5qVV3A&feature=youtu.be
https://www.youtube.com/watch?v=uEdULuhJ8b8&feature=youtu.be
https://www.youtube.com/watch?v=8EB4gChCG4g&feature=youtu.be