February 2014 Issue
GPS Plus GLONASS: Reliable Nav for Tablets
Two new WAAS GPS with GLONASS receivers from Bad Elf and Global Navigation Systems make tablet navigation convenient.
The internal GPS in Apple devices uses so-called Assisted GPS data from cellular towers, but the receiver wasnt designed for aviation. Thats why its not uncommon for an iPad or iPod to struggle with maintaining a GPS signal lock in flight. That makes a remote GPS receiver necessary.
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