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Re: [questions] Re: GPS+PPS vs NTP server, why a huge offset ?



Daniel O'Connor wrote:
On 17 Jun 2022, at 12:52, Jim Pennino <jimp@xxxxxxxxxxxxxxxxx> wrote:
If all you need is accuracy in the 2 millisecond range, most recent USB
GNSS dongles will achieve that without PPS.

You can easily do better than that with GPS/PPS over USB.

Hm, USB v1 has only 1 ms timing frames, so if some USB v1 device (e.g. an USB hub) is involved, the accuracy may indeed be only in the range of ms.

Martin
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