FS/K9NU Saint Martin Island. From DXNews.com08/10/2018 by PY3TXPaul, K9NU will be active from Saint Martin Island, IOTA NA – 105, 1 – 9 December 2017 as FS/K9NU. Previous articleOJ0W Market Reef Märket Island. From DXNews.comNext article PJ7/K0CD Sint Maarten. From DXNews.com