Voice of Hope Africa 1430-1600UT slot is totally blocked by NHK & CRI

ZAMBIA   Voice of Hope Africa 1430-1600UT time slot is totally blocked by NHK & CRI
1200-1700 on 13680 LUS 100 kW / 315 deg to WeAf English Sa/Su Voice of Hope Africa
1430-1500 on 13680 ISS 500 kW / 090 deg to WeAs Persian Daily Radio Japan NHK World
1500-1600 on 13680 KAS 500 kW / 308 deg to WeEu Chinese Daily China Radio Int/CRI/
https://www.youtube.com/watch?v=_TfubXLcer0&feature=youtu.be
https://www.youtube.com/watch?v=SZwZgEpEgSw&feature=youtu.be