Reckon how this is going to affect our beloved Zero Off during the Nationals?
CNN) -- We're at the peak of the 11-year solar cycle, so double-check your GPS, and watch where you're going.
On Thursday, the sun unleashed a massive solar flare . Solar flares can disrupt radio communications, including devices that use Global Positioning System technology, such as cell phones, airplanes and car navigation systems.
So if you're relying on your GPS for driving directions, to find your location on your phone's mapping tool or for any other purpose, have a backup navigation system handy, such as a printed map.
Even more important, pay close attention to where you are and where you're going. Don't rely solely on your GPS to give you directions.