With no diving excursions today we set about mapping the island. Despite my earlier comments there is GPS signal around and fairly good visibility of satellites. However the signal-to-noise ratio is pretty bad that most of them can't be used for location. I'm not sure if this is by accident …

We have arrived on a tropical island paradise. It's only slightly disconcerting that the GPS on my phone still hasn't figured out where we are. Although so far smoke monsters and polar bears have not been in evidence. The flights weren't too hard to deal with (6 and 4 hours …