It's funny you mention that, as I swear the professor said it could be done to a... | Hacker News

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		singular on Oct 19, 2011 \| parent \| context \| favorite \| on: IPhone 4S has GLONASS in addition to GPS It's funny you mention that, as I swear the professor said it could be done to accuracy of mm, but after reviewing the wikipedia articles I had concluded I misremembered. Perhaps not...

juiceandjuice on Oct 19, 2011 [–]

You can, but you need to need to analyze the phase of the GPS signals at the analog level (not the the code phase)

CamperBob on Oct 19, 2011 | [–]

So the carrier phase is derived from the Cs/Rb clocks on the satellites? That's pretty neat, if so.

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