Satellite navigation

  1. Video content

    Video caption: Using tech to prevent car theft in Cameroon

    A Cameroon startup is using mobile and satellite communications to track down stolen cars.

  2. Video content

    Video caption: How the satnav became a million dollar idea

    The BBC's Aaron Heslehurst explains how the satnav became a million dollar idea.

  3. Video content

    Video caption: Plane with the largest wingspan in the world takes flight

    Its wingspan measures 117m - the length of an American football field.