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minfrin
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Joined: Sat May 09, 2009 2:20 am

LtAP and GPS: where is the date/time coming from when GPS has no signal?

Thu Sep 29, 2022 4:44 pm

Hi all,

I have an LtAP that has been incorrectly installed (a story for another day) with a GPS that reports no signal. This makes sense, as the device is sitting deep in a cupboard with no signal. However, despite reporting zero satellites, zero validity, the date-and-time is updated somehow and correct.

Where does date-and-time come from if not from the GPS?
[minfrin@rescue] /system/gps> monitor 
        date-and-time: sep/29/2022 13:41:57
             latitude: none
            longitude: none
             altitude: 0.000000 m
                speed: 0.000000 km/h
  destination-bearing: none
         true-bearing: 0.000000 deg. True
     magnetic-bearing: 0.000000 deg. Mag
                valid: no
           satellites: 0
          fix-quality: 0
             data-age: 0s
-- [Q quit|D dump|C-z pause]
RouterOS 7.5.

Regards,
Graham
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