3 ms·
They share GPS, it used to be low-res but is now the real deal: https://en.wikipedia.org/wiki/Error_analysis_for_the_Global_Positioning_System#Selective_availa
by jonknee 9y ago
They share GPS, it used to be low-res but is now the real deal:
https://en.wikipedia.org/wiki/Error_analysis_for_the_Global_Positioning_System#Selective_availability https://en.wikipedia.org/wiki/Error_analysis_for_the_Global_...
- zb 9y agoThe part they share is literally called "Coarse/Acquisition" and the part they don't share is called "Precise". (This has nothing to do with Selective Availability; they're broadcast in two completely different bands.) The GP's characterisation is broadly accurate.