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From what I understand Android uses a quick location service based on cellphone and wifi information which tells the gps system roughly where it is which then speeds up first lock. Presumably it uses the approximate location to speed up it's interpretation of the raw satellite data. This service is not open source so ut can not use it.
If this is the case would it be possible to add a 'I think I am here' feature via the SatNav app to give our gps the same 'boost'?
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I Ian marked this topic as a question on
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The quick location service is called A-GPS (Assisted Global Positioning System) which reduces the TTFF (Time To First Fix). An open source implementation of this by mozilla is called MLS.
There is already an issue open on GitLab for that. What A-GPS does, is helping the phone know where to search the satellites, which the first time takes about 12 minutes, according to this source. The phone also needs to associate its coordinates with satellite positions. So even if you spoof the location, the phone will still not know where to search the satellites.TL;DR: not possible
(Correct me if I am wrong).
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@ikoz I was just wondering if spoofing the location could be used in the same way as the approximate location provided by Cellphone and WiFi data. If it can't then I'll mark my question as solved.
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@Ian From what I understand no.
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@ikoz OK. It was just a random thought. Thanks for getting back to me.
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I Ian has marked this topic as solved on
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C CiberSheep moved this topic from Design on
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