BBC News – Sat-nav devices face big errors as solar activity rises 10 February, 2010 / Stef BBC News – Sat-nav devices face big errors as solar activity rises. Share this story: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Click to email a link to a friend (Opens in new window) Email linked list, news Previous Post The Oscars of Type Next Post Black and WTF.