Near #Vanuatu, you say...
So I'm checking ZL1ROT #KiwiSDR on Rotorua
to see NO signal of Radio Vanuatu 
on any of their known #shortwave freqs (2485 if ever used, 3945, 7260, guess I forgot about one - maybe @ 5 MHz? Absent too anyway).
But got Solomon Islands BC 
on 5020 kHz, pretty strong and... well, not clear, as there's plenty of thunderstorm crashes possibly from the cyclone.