On 2/28/14, 12:44 AM, Ask Bjørn Hansen wrote:
On Feb 27, 2014, at 7:14 AM, Philip Gladstone <[email protected]>
wrote:
I sometimes get little red dots on my offset monitoring chart on the -2000 ms
line. Are these placeholder for lost packets or are they really an indication
of really bad time?
Really crazy bad time; the chart is limited to show 2 seconds of “accuracy” so
measurements that are worse doesn’t make the rest of the graph completely
unreadable.
Ok. I understand now. It looks as though the server would respond when
the time wasn't known. It ought to say stratum 16, but maybe it doesn't.
What system/software is this?
This is an embedded system made out of a GPS receiver and an ARM
development board. It will also be a PTP (IEEE1588) master. I'm hoping
to make the code (and parts list) available so that anybody can put one
together (for < $100)
Philip
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