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Re: [gpsd-dev] NTP Pool (was Re: Draft Stratum 1 Microserver HOWTO is up
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From: |
Hal Murray |
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Subject: |
Re: [gpsd-dev] NTP Pool (was Re: Draft Stratum 1 Microserver HOWTO is up) |
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Date: |
Fri, 20 May 2016 15:37:06 -0700 |
address@hidden said:
> BTW, I was getting within 5ms using generic ublox-7 puck (no PPS) on an old
> laptop. USB PPS (GR-601W) was reliably under 1ms.
uBlox is reasonably good. I'm seeing 25 ms peak-peak on the serial port.
The MT3339 in the Adafruit GPS HAT is all over the place. Looks like 400 ms
peak-peak if I ignore a few outliers.
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