XW4XR Laos. From DXNews.com09/03/2020 by PY3TXBruce, 3W3B will be active as XW4XR from Laos, 30 March – 12 April 2020. Previous articleFS/F8AAN Saint Martin Island. From DXNews.comNext article 14.03.2020-27.03.2020 3B8XF