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README.md
Space Race
Compare GPS with Baido and Glonass
This turns GNSS receiver into mode with all three systems enabled, and displays debug info from all of them. Click into top left corner to switch navigation systems. Clicks in bottom half of screen switch info pages.
GNSS acquisition has few phases, and this software is assuming you are not doing a cold start. GNSS fix needs 4 or 5 satellites with reasonable signal strength, and then holding the same place for 40 or so seconds.
Uxx -- satellites are known but not being received
S1..S4 -- not enough satellites being decoded (5 needed)
XXdB -- this is strength of 5th strongest satellite