Steve S Posted April 12, 2014 Report Share Posted April 12, 2014 The BCC recently reported that satellites of the GLONASS network experienced a half-day outage when bad data was uploaded to spacecraft. This gave position accuracy figures of 50km out! "What we saw last week was many people being affected by the GLONASS failure even with receivers that were also picking up GPS." http://www.bbc.com/news/science-environment-26957569 Seems like this was maybe a human error thing, but given the current situation with Russia other thoughts comes to mind, like a tester for degree dependence on Russian systems. Anyway for fisherman, it just shows blindly assuming Global Navigation Satellite Systems must be always correct could lead to tragedy. On a more technical point my system only supports GPS, on the systems that support GLONASS (and others) as well, is the position a perm of all of them, or can you choose which system to follow, or can you also get warnings if there are significant positional differences between them? The latter could be very handy. Reel Wizzard 1 Quote Link to comment Share on other sites More sharing options...
phonehome Posted April 16, 2014 Report Share Posted April 16, 2014 I think I might notice if I was 50km out! Quote Link to comment Share on other sites More sharing options...
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