[ntp:questions] Cheap ($29.90) GPS receiver

Terje Mathisen "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.

Try it!

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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