[ntp:questions] Cheap ($29.90) GPS receiver
"terje.mathisen at tmsw.no" at ntp.org
Wed Apr 21 06:31:13 UTC 2010
David Woolley wrote:
> Terje Mathisen wrote:
>> It would still be limited to the resolution of the rs232 clock, i.e.
>> ~1ms, instead of the ~1us we usually get from PPS receivers.
> Does it only work at 150 baud, then? Asynch serial resolution is
> typically 16 * "baud" rate.
Previous experience with serial streams has been that it is very hard to
time them much more precisely than the time of a single char, but if
your hardware/firmware/os does support this, then go for it!
- <Terje.Mathisen at tmsw.no>
"almost all programming can be viewed as an exercise in caching"
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