A technology incorporated into many cameras and other devices, which allows them to be discovered by satellites for the purpose of recording location information. This data is typically embedded into the image itself as part of its metadata.
On sale: 11th Apr
Find out which enthusiast camera is best for you, we reveal the secrets you need to know about secondhand buying and selling, plus many more reviews and features, including our Buyer's Guide section with more than 100 camera reviews!
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