Radio Vanuatu on strange 4310.2v kHz via Port Vila, September 8

VANUATU   Very good signal of Radio Vanuatu on strange out of band QRG 4310.2v kHz via Port Vila, September 8:
till 0659 on  7932.1vPVL 2.5 kW / non-dir to All Pacific Bis/Eng, instead of 3945 via SDR Rutorua, New Zealand
0700-1100 on  4310.2vPVL 2.5 kW / non-dir // 8620.4v and 12930.6v instead of 3945 via SDR Rutorua, New Zealand
https://www.youtube.com/watch?v=W2E1isIVIgw&feature=youtu.be
https://www.youtube.com/watch?v=05CTik6L41I&feature=youtu.be
https://www.youtube.com/watch?v=FAH31tOmMKo&feature=youtu.be
https://www.youtube.com/watch?v=nfZI7VvILl8&feature=youtu.be