Paul, G3SXE, operated as 6Y5PL when he was invited to visit the University of the West Indies Kingston Jamaica in November 2009. For 2 weeks he lectured physics students about Amateur Radio, conducted workshops and recommissioned the station 6Y5UC. The DVD documenting his visit is preserved at the Internet Archive.
(Link opens in a new tab) https://archive.org/details/amateur-radio-university-of-the-west-indies