[Gb-ccb] suggested changes to ccb library
John Ford
jford at nrao.edu
Tue Aug 12 13:43:46 EDT 2003
Excellent.
Martin Shepherd writes:
>
> On Tue, 12 Aug 2003, John Ford wrote:
> >...
> > Is there a scheme for time-tagging the data?
>
> Yes, all telemetry is to be time tagged, with the time derived from a
> combination of 1PPS and NTP.
>
> >...
> > hardware to start the integration. If extreme (20 millisecond-level
> > or better) timing is needed, then hardware augmentation of NTP timed,
> > RPC delivered go commands is needed.
>
> Normal scans will be started on the leading edge of the 1PPS
> signal. Intra-scans will be started ASAP.
>
> Martin
>
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