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    GPS libraries

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    gps pytrack
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    • A Offline
      abhishek2101
      last edited by

      Hi

      which gps libraries to use to get a quick fix on the coordinates ? I will be using GPS signals and not GLONASS

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      • J Offline
        jcaron @abhishek2101
        last edited by

        @abhishek2101 You have already asked the question, and you already received detailed responses on this topic...

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        • A Offline
          abhishek2101 @jcaron
          last edited by

          @jcaron yes, you are right..I am using the newest libraries from the github repo but still it takes a very long time to get the initial reading.

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          • J Offline
            jcaron @abhishek2101
            last edited by

            @abhishek2101 Have you tried the two other libraries that we already pointed you to?

            As already explained, it is normal for a pure GPS chip to take a little while to get a fix after a cold start.

            I haven't personally used the Pytrack GPS chip, so I have no idea whether it would be capable of saving almanac and ephemeris data for later re-use (either directly in the chip, or via some way to dump and then reload that data) for a quicker TFF, you may want to check the chip's data sheet for details.

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            • M Offline
              Martinnn
              last edited by

              If you are unfamiliar with GPS (sounds like that) and curious what "almanac" and "epemeris data" means, have a look at the detailed (and quite interesting) GPS book: https://www.u-blox.com/sites/default/files/products/documents/GPS-Compendium_Book_(GPS-X-02007).pdf

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