Quote:
Originally Posted by cellurl
GPS updates every second, so there would be delay in using it...
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A GPS device collects data (from the satellites) and outputs data (to its own screen, to computers etc). My understanding is that outputs are usually updated every second but inputs and internal calculations may be updated more frequently. Also it is possible (but not common) for a GPS to update its output more frequently. The only GPS I have ever encountered which does this is the Stack ST995, with up to 5 updates per second, but I would love to find alternatives.
Anyway the point is that faster updates are possible so the delay may not be a significant issue.