Re: [ntp:questions] TrueTime XL-AK GPS lock satellite take too much time.....

2014-04-25 Thread Dowd, Greg
While it is not always true, I would say that the vast majority of the time when this happens it is a connection issue. Did you disconnect, check and reconnect the cable to the antenna? Does this box have any indication of antenna open/short or satellite visibility/signal levels? Did you try

Re: [ntp:questions] Has anyone thought about this?

2014-04-09 Thread Dowd, Greg
By design, the clock servo tries to get the 0 crossing to occur at the time of the subsequent poll. In my attempts to learn ntp servo operation over the years from Dave Mills, I have yet to find a single area which he did not consider. I may disagree at times with how he addressed the problem

Re: [ntp:questions] Handle ntp conf modification when ntp is already running

2014-04-08 Thread Dowd, Greg
do you mean a new association? Like the ntpdc addserver command? -Original Message- From: questions-bounces+greg.dowd=microsemi@lists.ntp.org [mailto:questions-bounces+greg.dowd=microsemi@lists.ntp.org] On Behalf Of David Lord Sent: Tuesday, April 08, 2014 6:39 AM To:

Re: [ntp:questions] PPS problem

2014-04-03 Thread Dowd, Greg
Why not? You really want to as the network entries will do iburst and get selected before your refclock does and force some clock stepping before settling down. I usually use maxpoll 4 as well. The decreased jitter in the local signal makes higher poll rates both valid and useful. On Apr 2,