Supercap state when RPi is shutdown

Home Forums Forums Technical Support for BerryGPS and BerryGPS-IMU Supercap state when RPi is shutdown

Tagged: ,

Viewing 2 posts - 1 through 2 (of 2 total)
  • Author
    Posts
  • #14449
    sri
    Participant

    Hello folks!

    I understand that the supercap holds charge for storing ephemeris data fro 4 hours. If the RPi is shutdown, however still powered, the power pins on the RPi are still able to provide charge to the cap. Does this mean that the ephemeris data could be stored for a longer duration?

    Thanks in advance.

     

     

    #14468
    Mark Williams
    Keymaster

    Yes.  in fact , as the 3.3v pin still has power.  The GPS will be fully on and will not need to use the supercap.

    If you do turn it off completely.. the longer you wait to turn it back on, the longer the fix will take as the ephemeris (true orbit)  being held in the SuperCap  will be older.

    BTW: if you need to get a fix in seconds... no matter how long the device was off, this can be done using the BerryGPS-GSM, which supports assisted GPS.

    Mark --OzzMaker.com --

Viewing 2 posts - 1 through 2 (of 2 total)
  • You must be logged in to reply to this topic.

Blip, blop, bloop...