Charles Muggen
2018-02-02 17:35:13 UTC
<html><head></head><body><div style="font-family: Verdana;font-size: 12.0px;"><div>I have a Raspberry Pi Model 2 running Raspbian Jessie. Attached to the Raspberry Pi is a GPS HAT from Adafruit. I think I have all the libs installed to get this to work, but for some reason I am getting question marks "?" when I run chronyc sources.</div>
<div>The goal is to get accurate time with no internet connection. The only time source is the GPS HAT.</div>
<div>Status printouts below.</div>
<div>Any hints/suggestions on getting this to work are greatly appreciated.</div>
<div>Thank you.</div>
<div> </div>
<div>chronyc sources</div>
<div>210 Number of sources = 2<br/>
MS Name/IP address Stratum Poll Reach LastRx Last sample <br/>
===============================================================================<br/>
#? GPS 0 4 0 - +0ns[ +0ns] +/- 0ns<br/>
#? PPS 0 4 0 - +0ns[ +0ns] +/- 0ns</div>
<div> </div>
<div>chronyc tracking</div>
<div>Reference ID : 7F7F0101 ()<br/>
Stratum : 8<br/>
Ref time (UTC) : Fri Feb 02 17:23:28 2018<br/>
System time : 0.000000004 seconds fast of NTP time<br/>
Last offset : +0.000000000 seconds<br/>
RMS offset : 0.000000000 seconds<br/>
Frequency : 7.218 ppm fast<br/>
Residual freq : +0.000 ppm<br/>
Skew : 0.000 ppm<br/>
Root delay : 0.000000000 seconds<br/>
Root dispersion : 0.000000000 seconds<br/>
Update interval : 0.0 seconds<br/>
Leap status : Normal</div>
<div> </div>
<div>systemctl status chronyd</div>
<div>● chronyd.service - NTP client/server<br/>
Loaded: loaded (/lib/systemd/system/chronyd.service; enabled)<br/>
Active: active (running) since Fri 2018-02-02 00:18:07 UTC; 17h ago<br/>
Docs: man:chronyd(8)<br/>
man:chrony.conf(5)<br/>
Main PID: 961 (chronyd)<br/>
CGroup: /system.slice/chronyd.service<br/>
└─961 /usr/local/sbin/chronyd</div>
<div> </div>
<div> </div></div></body></html>
<div>The goal is to get accurate time with no internet connection. The only time source is the GPS HAT.</div>
<div>Status printouts below.</div>
<div>Any hints/suggestions on getting this to work are greatly appreciated.</div>
<div>Thank you.</div>
<div> </div>
<div>chronyc sources</div>
<div>210 Number of sources = 2<br/>
MS Name/IP address Stratum Poll Reach LastRx Last sample <br/>
===============================================================================<br/>
#? GPS 0 4 0 - +0ns[ +0ns] +/- 0ns<br/>
#? PPS 0 4 0 - +0ns[ +0ns] +/- 0ns</div>
<div> </div>
<div>chronyc tracking</div>
<div>Reference ID : 7F7F0101 ()<br/>
Stratum : 8<br/>
Ref time (UTC) : Fri Feb 02 17:23:28 2018<br/>
System time : 0.000000004 seconds fast of NTP time<br/>
Last offset : +0.000000000 seconds<br/>
RMS offset : 0.000000000 seconds<br/>
Frequency : 7.218 ppm fast<br/>
Residual freq : +0.000 ppm<br/>
Skew : 0.000 ppm<br/>
Root delay : 0.000000000 seconds<br/>
Root dispersion : 0.000000000 seconds<br/>
Update interval : 0.0 seconds<br/>
Leap status : Normal</div>
<div> </div>
<div>systemctl status chronyd</div>
<div>● chronyd.service - NTP client/server<br/>
Loaded: loaded (/lib/systemd/system/chronyd.service; enabled)<br/>
Active: active (running) since Fri 2018-02-02 00:18:07 UTC; 17h ago<br/>
Docs: man:chronyd(8)<br/>
man:chrony.conf(5)<br/>
Main PID: 961 (chronyd)<br/>
CGroup: /system.slice/chronyd.service<br/>
└─961 /usr/local/sbin/chronyd</div>
<div> </div>
<div> </div></div></body></html>
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