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Type: Posts; User: manitou

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    I purchased active antenna...

    I purchased active antenna and placed it on windowsill attached to my adafruit ultimate GPS, and i no longer lose lock. Settings were 9600 with GPS_USES_RMC. offset/drift look good with GPS PPS and...
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    You could print T4 temperature (tempmonGetTemp()...

    You could print T4 temperature (tempmonGetTemp() float degrees C) in your table printing in updateTime() to track drift and temperature.

    Here is diurnal NTP drift variation (ppm) for my home...
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    I think i only got B message in one experiment...

    I think i only got B message in one experiment trying to get ZDA and 115200 work on adafruit GPS ... not to worry.

    I added an offset and drift plot to post #3
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    I also experimented with Adafruit ultimate GPS...

    I also experimented with Adafruit ultimate GPS. I found how to enable ZDA sentences and changed baud to 115200, BUT when I cycle power on the Adafruit GPS, it reverts back to 9600, and ZDA is no...
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    Wow, nice work on the NTPD server using GPS and...

    Wow, nice work on the NTPD server using GPS and 1088. I haven't quite figured out all the components, but I boldly reconfigured my sparkfun GPS to run at 115200 baud and emit ZDA sentences. (I did...
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