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It appears that most civilian receivers are going to use all of the various constellations at the same time. Here's an article from 2014 talking about producti
by greglindahl 10y ago
It appears that most civilian receivers are going to use all of the various constellations at the same time.
Here's an article from 2014 talking about production chipsets that do GPS/Galileo/Glonass/BeiDou.
http://gpsworld.com/quad-constellation-receiver-gps-glonass-galileo-beidou/ http://gpsworld.com/quad-constellation-receiver-gps-glonass-...
- tuukkah 10y agoThis. The combination gives higher accuracy, faster fix, independence from a single political entity, and overall higher reliability by redundancy.
- TickleSteve 10y ago...and higher power usage. which is why being practical, you would use only one and fallback to the others on failure-to-fix.
- sangnoir 10y agoThis only applies to battery-powered GPS devices. Navigation systems on boats or aeroplanes can afford the higher power consumption and hence use multiple systems simultaneously. Additionally, even battery-powered systems can use multiple systems for a short period at first to get a faster lock, then fall-back to one to lower power consumption.