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A comment on A $225 GPS spoofer can send sat-nav-guided vehicles into oncoming traffic. Parent comment

Re:A $225 GPS spoofer can send sat-nav-guided vehicles into ... by soziawa on Thursday July 19, 2018 @09:02AM (#17565798)
Is it also easier to protect all train lines in the country? It seems a bit foolish to compare a single train line to all roads instead of all train lines to all roads.
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Re:A $225 GPS spoofer can send sat-nav-guided vehicles into ... by randomsearch on Saturday July 21, 2018 @04:43AM (#17581292)
A more generous interpretation of my comment would have been "all trainlines versus all roads".

In the UK there's an order of magnitude more roads than railways. In the US there are two orders of magnitude more.

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Re:A $225 GPS spoofer can send sat-nav-guided vehicles into ... by soziawa on Friday July 27, 2018 @05:50AM (#17624758)
Should I also interpret this generously and assume that you only counted roads and train lines with the same amount of people traveling on them?
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