<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On May 5, 2016, at 8:48 PM, Gary E. Miller <<a href="mailto:gem@rellim.com" class="">gem@rellim.com</a>> wrote:</div><div class=""><div class=""><blockquote type="cite" class=""><br class="">I don’t know enough to answer regarding “coarse time”. Here’s my<br class="">output (FreeBSD-10.3-RELEASE):<br class=""></blockquote><br class="">yeah, that's a problem with refclock #20, important data is hidden.<br class=""></div></div></blockquote><div><br class=""></div><div>What was missing from my ntpq -p output? I’ve included it again below:</div><div><div style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class=""> remote refid st t when poll reach delay offset jitter</span></div><div style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">==============================================================================</span></div><div style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">oGPS_NMEA(0) .GPS. 0 l 6 16 377 0.000 -0.002 0.003</span></div><div style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">*<a href="http://tock.usshc.com" class="">tock.usshc.com</a> .GPS. 1 u 26 64 377 32.138 4.606 0.901</span></div><div style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">+<a href="http://clock.isc.org" class="">clock.isc.org</a> .GPS. 1 u 21 64 377 70.356 -0.027 0.995</span></div><div style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">-<a href="http://tick.apple.com" class="">tick.apple.com</a> .GPS. 1 u 47 64 227 147.752 40.539 163.016</span></div><div style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">-ntp.wdc1.us.lea 199.102.46.72 2 u 47 64 377 49.799 20.090 3.552</span></div><div style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">-leeloo.scurvyne 173.162.192.156 2 u 47 64 377 142.869 16.063 34.157</span></div><div style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">-2001:19f0:8000: 132.163.4.101 2 u 2 64 377 65.329 -7.336 0.499</span></div><div style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo;" class=""><span style="font-variant-ligatures: no-common-ligatures" class="">+67.212.117.78 128.138.141.172 2 u 46 64 377 38.889 -4.778 0.341</span></div><div class=""><br class=""></div></div><blockquote type="cite" class=""><div class=""><div class="">When you hide important data from the user, as #20 does, you have over<br class="">simplified.<br class=""></div></div></blockquote><div><br class=""></div><div>Please help me understand what’s missing.</div><br class=""><blockquote type="cite" class=""><div class=""><div class=""><blockquote type="cite" class=""><blockquote type="cite" class="">time1 adjusts the PPS derived time, time2 adjusts the NMEA derived<br class="">time. <br class=""></blockquote><br class="">So for type 20 (NMEA local) & PPS, time2 would be the correct place<br class="">to put the fudge factor (assuming time1 (PPS) is dead nuts).<br class=""></blockquote><br class="">Yes, except you'll need to disconnect the PPS to see it…</div></div></blockquote></div><br class=""><div class="">I don’t follow you here…</div><div class=""><br class=""></div><div class="">Thanks,</div><div class="">Frank</div></body></html>