[time-nuts] GPS clock to RT-Linux for pulsar machine
Tom Van Baak
tvb at leapsecond.com
Fri Jul 1 22:42:45 EDT 2005
> Thanks for the info. I plan to store timestamps with all the data
> samples, so any ntp drift can be spotted and accounted for by
> comparing it to the stored 1PPS samples.
> An alternative I've considered is to feed an NMEA stream from GPS into
> the PC's serial port so that I am not relying on ntp for my timestamps.
And if you don't have a spare serial port you can
use another ADC channel to sample the raw bits
of the 4800 baud NMEA serial data ;-)
This would also eliminate any problem with UART
or serial port driver latency...
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