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<h3>
Gary E. Miller pushed to branch master
at <a href="https://gitlab.com/NTPsec/ntpsec">NTPsec / ntpsec</a>
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<h4>
Commits:
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<strong><a href="https://gitlab.com/NTPsec/ntpsec/commit/eda087c4fd368545a76e107aaeb09cb276d01a8a">eda087c4</a></strong>
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<span>by Gary E. Miller</span>
<i>at 2019-11-26T00:28:16Z</i>
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<pre class="commit-message" style="white-space: pre-wrap; margin: 0;">ntpiz.py: Improve description of TDOP.
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<h4>1 changed file:</h4>
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<a href="#5d7267c06a32341332961589a5641bb0142dca20">
ntpclients/ntpviz.py
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<h4>Changes:</h4>
<li id="5d7267c06a32341332961589a5641bb0142dca20">
<a href="https://gitlab.com/NTPsec/ntpsec/commit/eda087c4fd368545a76e107aaeb09cb276d01a8a#5d7267c06a32341332961589a5641bb0142dca20"><strong>ntpclients/ntpviz.py</strong></a>
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<td class="line_content match " style="padding-left: 0.5em; padding-right: 0.5em; color: rgba(0,0,0,0.3);" bgcolor="#fafafa">@@ -798,9 +798,10 @@ plot \\</td>
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<pre style="margin: 0;"> <span id="LC798" class="line" lang="python"><span class="s" style="color: #d14;">The number of visible satellites (nSat) is plotted in red.</p></span></span>
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<pre style="margin: 0;"> <span id="LC799" class="line" lang="python"><span class="s" style="color: #d14;"><p>TDOP is field 3, and nSats is field 4, from the gpsd log file.  The</span></span>
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<pre style="margin: 0;"> <span id="LC800" class="line" lang="python"><span class="s" style="color: #d14;">gpsd log file is created by the ntploggps program.</p></span></span>
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<pre style="margin: 0;">-<span id="LC801" class="line" lang="python"><span class="s" style="color: #d14;"><p>TDOP is a dimensionless error factor.  TDOP ranges from 1 to greater</span></span>
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<pre style="margin: 0;">-<span id="LC802" class="line" lang="python"><span class="s" style="color: #d14;">than 20.  1 denotes the highest possible confidence level.  2 to 5 is good.</span></span>
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<pre style="margin: 0;">-<span id="LC803" class="line" lang="python"><span class="s" style="color: #d14;">Greater than 20 means there will be significant inaccuracy and error.</p></span></span>
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<pre style="margin: 0;">+<span id="LC801" class="line" lang="python"><span class="s" style="color: #d14;"><p>TDOP is a dimensionless error factor.  Smaller numbers are better.</span></span>
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<pre style="margin: 0;">+<span id="LC802" class="line" lang="python"><span class="s" style="color: #d14;">TDOP ranges from 1 (ideal), 2 to 5 (good), to greater than 20 (poor).</span></span>
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<pre style="margin: 0;">+<span id="LC803" class="line" lang="python"><span class="s" style="color: #d14;">Some GNSS receivers report TDOP less than one which is theoretically</span></span>
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<pre style="margin: 0;">+<span id="LC804" class="line" lang="python"><span class="s" style="color: #d14;">impossible.</p></span></span>
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<pre style="margin: 0;"> <span id="LC805" class="line" lang="python"><span class="s" style="color: #d14;">"""</span></span>
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<pre style="margin: 0;"> <span id="LC806" class="line" lang="python"></span>
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<pre style="margin: 0;"> <span id="LC807" class="line" lang="python">        <span class="n" style="color: #333;">ret</span> <span class="o" style="font-weight: 600;">=</span> <span class="p">{</span><span class="s" style="color: #d14;">'html'</span><span class="p">:</span> <span class="n" style="color: #333;">VizStats</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">table_head</span> <span class="o" style="font-weight: 600;">+</span> <span class="n" style="color: #333;">stats</span><span class="o" style="font-weight: 600;">.</span><span class="n" style="color: #333;">table</span> <span class="o" style="font-weight: 600;">+</span></span>
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