In the South China Sea 50 miles off the East Coast of Malaysia, so being in International waters a touch of amateur radio is possible.
Fred Olsen has ships registered in the Bahamas. It costs $25 to get a license from the Bahamas by email if you have a UK license, providing the correct forms from the URCA website. Fred Olsen Head Office in Ipswich agreed to operation on the Balmoral, and after informing the Chief Officer all was in order.
The set up is a 100W K3 with ATU, and a Buddipole. There was a contest on today, so got as far as BD (China), though I guess I must be a rare call sign!
I've met two other licensed people on board already; one was in the next-door cabin and noticed the aerial! Well worth doing for those days at sea …..