XF4B. From DXNews.com23/10/2025 by PY3TXMark, XE1B will be active as XF4B from Socorro Island, Revillagigedo Islands, IOTA NA – 030, starting 25 October 2025.Powered by WPeMatico Previous articlePJ6Y Saba Island. From DXNews.comNext article SU0ERA Egypt. From DXNews.com