PORTRUSH, Northern Ireland — There was a vacationer relaxing by the sea in Gothenburg, Sweden. A barista working somewhere near the Rock of Gibraltar. A semi-truck driver in Peru, Ill. An electrician ...

There's more FM stations on the air than ever these days. Where can you still travel to where the dials are nearly empty?

CNET’s Maggie Reardon helps readers with the ins and outs of accessing free radio from a mobile phone -- a potentially key ability in emergency situations. Marguerite Reardon started as a CNET News ...