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3

I think you have misunderstood what "assisted GPS" means. The "assisted" part means that the device first uses it's cellphone signal (or wifi) to make a rough estimate as to where it is. It uses this information to reduce the time it takes to get a fix with the regular GPS signal - i.e., the cellphone/wifi assists the GPS. Without this assistance it can take ...


2

GPS is available on iPhone and iPad Wi-Fi + Cellular models This is a footnote for Global Positioning System (GPS) networks on the Apple Support pages for Location Services... iOS 8: https://support.apple.com/en-us/HT203033 iOS 7: https://support.apple.com/en-us/HT201357 This page for a Marine Navigation product makes consistent statements, ...


0

Currently, Collector GIS doesn't make use of GNSS metadata and it will not report estimated accuracy less than 1 meter. The SXB2GNSS is only a gps/gnss receiver and provides no control over if a point is taken or not, regardless of PDOP...that is the software's function. ESRI is, from what I hear, updating Collector to use GNSS metadata (PDOP, etc) to ...



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