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- To: chrony-users@xxxxxxxxxxxxxxxxxxxx
- Subject: Re: [chrony-users] Quickly syncing time
- From: Deven Hickingbotham <devenh@xxxxxxxxxxx>
- Date: Sat, 6 May 2017 16:39:03 -0700
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On 5/6/2017 1:10 PM, Bill Unruh wrote:
server 0.us.pool.ntp.org iburst
server 1.us.pool.ntp.org iburst
server 2.us.pool.ntp.org iburst
server 3.us.pool.ntp.org iburst
Those are there why? And why the iburst?
Because the system doesn't always have a sky view (so no PPS). iburst
because is syncs faster and is included in every example.
refclock PPS /dev/pps0 lock NMEA refid PPS
# Setting for 2, 3, 4, 5, 10 updates per seconds
Huh? What kind of PPS do you have?
An onboard GPS.
210 Number of sources = 6
MS Name/IP address Stratum Poll Reach LastRx Last sample
========================================================================
#* PPS 0 4 377 12 -1506ns[-1838ns] +/- 395ns
#? NMEA 0 4 377 12 -22ms[ -22ms] +/- 100ms
^- soft-sea-01.server 2 10 377 15 -1237us[-1237us] +/- 116ms
^- time-a.timefreq.bl 1 10 377 513 -1925us[-1928us] +/- 33ms
^- services.quadranet 3 10 377 502 -4440us[-4443us] +/- 82ms
^- 159.203.158.197 3 10 377 538 +181us[ +181us] +/- 99ms
# Enable kernel synchronization of the real-time clock (RTC).
rtcsync
Does it have an rtc at all?
Yes. It is built into the GPS card.
https://www.adafruit.com/product/2324
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