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<h3>
Gary E. Miller pushed to branch master
at <a href="https://gitlab.com/NTPsec/ntpsec">NTPsec / ntpsec</a>
</h3>
<h4>
Commits:
</h4>
<ul>
<li>
<strong><a href="https://gitlab.com/NTPsec/ntpsec/commit/151d0035fd62382350b17b615a0fc723e95a8b43">151d0035</a></strong>
<div>
<span>by Gary E. Miller</span>
<i>at 2017-04-25T20:08:40-07:00</i>
</div>
<pre class="commit-message" style="margin: 0; white-space: pre-wrap">ntpviz: glossary tweak.
</pre>
</li>
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<h4>1 changed file:</h4>
<ul>
<li class="file-stats">
<a href="#c9f6eda94e9e5e7fbdd3688cda6b292bf75df4c4">
ntpclients/ntpviz
</a>
</li>
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<h4>Changes:</h4>
<li id="c9f6eda94e9e5e7fbdd3688cda6b292bf75df4c4">
<a href="https://gitlab.com/NTPsec/ntpsec/commit/151d0035fd62382350b17b615a0fc723e95a8b43#c9f6eda94e9e5e7fbdd3688cda6b292bf75df4c4"><strong>ntpclients/ntpviz</strong></a>
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<pre style="margin: 0"> <span id="LC1677" class="line" lang="html">system clock frequency (usually in parts per million, ppm)<span class="nt" style="color: navy"></dd></span></span>
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<pre style="margin: 0"> <span id="LC1678" class="line" lang="html"></span>
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<pre style="margin: 0"> <span id="LC1679" class="line" lang="html"><span class="nt" style="color: navy"><dt></span>jitter, dispersion:<span class="nt" style="color: navy"></dt></span></span>
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<pre style="margin: 0">-<span id="LC1680" class="line" lang="html"><span class="nt" style="color: navy"><dd></span>The short term change in a value<span class="nt" style="color: navy"></dd></span></span>
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<pre style="margin: 0">+<span id="LC1680" class="line" lang="html"><span class="nt" style="color: navy"><dd></span>The short term change in a value.  NTP measures Local Time Jitter,</span>
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<pre style="margin: 0">+<span id="LC1681" class="line" lang="html">Refclock Jitter, and Peer Jitter in seconds.  Local Frequency Jitter is</span>
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<pre style="margin: 0">+<span id="LC1682" class="line" lang="html">in ppm or ppb.</span>
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<pre style="margin: 0">+<span id="LC1683" class="line" lang="html"><span class="nt" style="color: navy"></dd></span></span>
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<pre style="margin: 0"> <span id="LC1684" class="line" lang="html"></span>
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<pre style="margin: 0"> <span id="LC1685" class="line" lang="html"><span class="nt" style="color: navy"><dt></span>ms, millisecond:<span class="nt" style="color: navy"></dt></span></span>
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<td class="line_content noteable_line" style="padding-left: 0.5em; padding-right: 0.5em">
<pre style="margin: 0"> <span id="LC1686" class="line" lang="html"><span class="nt" style="color: navy"><dd></span>One thousandth of a second = 0.001s<span class="nt" style="color: navy"></dd></span></span>
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<pre style="margin: 0"> <span id="LC1698" class="line" lang="html"></span>
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<pre style="margin: 0"> <span id="LC1699" class="line" lang="html"><span class="nt" style="color: navy"><dt></span>ppb, parts per billion:<span class="nt" style="color: navy"></dt></span></span>
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<pre style="margin: 0"> <span id="LC1700" class="line" lang="html"><span class="nt" style="color: navy"><dd></span>Ratio between two values. These following are all the same:</span>
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<pre style="margin: 0">-<span id="LC1698" class="line" lang="html">    1 ppb, one in one billion, 1/1,000,000,000, 0.000,000,001, and</span>
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<td class="diff-line-num new new_line" data-linenumber="1701" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0">+<span id="LC1701" class="line" lang="html">    1 ppb, one in one billion, 1/1,000,000,000, 0.000,000,001, <span class="idiff left right">1e-9 </span>and</span>
</pre>
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1699
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<td class="diff-line-num new_line" data-linenumber="1702" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
1702
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<pre style="margin: 0"> <span id="LC1702" class="line" lang="html">    0.000,000,1%<span class="nt" style="color: navy"></dd></span></span>
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<td class="diff-line-num new_line" data-linenumber="1703" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
1703
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<td class="line_content noteable_line" style="padding-left: 0.5em; padding-right: 0.5em">
<pre style="margin: 0"> <span id="LC1703" class="line" lang="html"></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1701" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
1701
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<td class="diff-line-num new_line" data-linenumber="1704" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
1704
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<td class="line_content noteable_line" style="padding-left: 0.5em; padding-right: 0.5em">
<pre style="margin: 0"> <span id="LC1704" class="line" lang="html"><span class="nt" style="color: navy"><dt></span>ppm, parts per million:<span class="nt" style="color: navy"></dt></span></span>
</pre>
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<td class="diff-line-num unfold js-unfold old_line" data-linenumber="1724" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">...</td>
<td class="diff-line-num unfold js-unfold new_line" data-linenumber="1727" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">...</td>
<td class="line_content match " style="background: #fafafa; color: rgba(0,0,0,0.3); padding-left: 0.5em; padding-right: 0.5em" bgcolor="#fafafa">@@ -1724,11 +1727,14 @@ or server.</dd></td>
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<td class="diff-line-num new_line" data-linenumber="1727" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
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<pre style="margin: 0"> <span id="LC1727" class="line" lang="html"><span class="nt" style="color: navy"><dd></span>Sigma denotes the standard deviation (SD) and is centered on the</span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1725" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="1728" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
1728
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<td class="line_content noteable_line" style="padding-left: 0.5em; padding-right: 0.5em">
<pre style="margin: 0"> <span id="LC1728" class="line" lang="html">arithmetic mean of the data set. The SD is simply the square root of</span>
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<td class="diff-line-num old_line" data-linenumber="1726" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
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<td class="diff-line-num new_line" data-linenumber="1729" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
1729
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<pre style="margin: 0"> <span id="LC1729" class="line" lang="html">the variance of the data set.  Two sigma is simply twice the standard</span>
</pre>
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<td class="diff-line-num new_line old" data-linenumber="1730" style="background: #f9d7dc; border-right-color: #fac5cd; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0">-<span id="LC1727" class="line" lang="html">deviation.  Three sigma is three times sigma.  Smaller is better.<span class="nt" style="color: navy"></dd></span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1728" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
 
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<pre style="margin: 0">+<span id="LC1730" class="line" lang="html">deviation.  Three sigma is three times sigma.  Smaller is better.<span class="nt" style="color: navy"><br></span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1728" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1731" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0">+<span id="LC1731" class="line" lang="html">The formula for sigma is: "σ = √[ ∑(x<span class="nt" style="color: navy"><sub></span>i<span class="nt" style="color: navy"></sub></span>-mu)^2 / N ]".</span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1728" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1732" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
1732
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<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">
<pre style="margin: 0">+<span id="LC1732" class="line" lang="html">Whare x<span class="nt" style="color: navy"><sub></span>i<span class="nt" style="color: navy"></sub></span> denotes the data points and N is the number of data</span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1728" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
 
</td>
<td class="diff-line-num new new_line" data-linenumber="1733" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
1733
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<td class="line_content new noteable_line" style="background: #ecfdf0; padding-left: 0.5em; padding-right: 0.5em" bgcolor="#ecfdf0">
<pre style="margin: 0">+<span id="LC1733" class="line" lang="html">points.<span class="nt" style="color: navy"></dd></span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1728" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
1728
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<td class="diff-line-num new_line" data-linenumber="1734" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
1734
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<td class="line_content noteable_line" style="padding-left: 0.5em; padding-right: 0.5em">
<pre style="margin: 0"> <span id="LC1734" class="line" lang="html"></span>
</pre>
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1729
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<td class="diff-line-num new_line" data-linenumber="1735" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
1735
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<td class="line_content noteable_line" style="padding-left: 0.5em; padding-right: 0.5em">
<pre style="margin: 0"> <span id="LC1735" class="line" lang="html"><span class="nt" style="color: navy"><dt></span>µs, us, microsecond:<span class="nt" style="color: navy"></dt></span></span>
</pre>
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<td class="diff-line-num old_line" data-linenumber="1730" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
1730
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<td class="diff-line-num new_line" data-linenumber="1736" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
1736
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<td class="line_content noteable_line" style="padding-left: 0.5em; padding-right: 0.5em">
<pre style="margin: 0"> <span id="LC1736" class="line" lang="html"><span class="nt" style="color: navy"><dd></span>One millionth of a second, also one thousandth of a millisecond,</span>
</pre>
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1731
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<td class="diff-line-num new_line old" data-linenumber="1737" style="background: #f9d7dc; border-right-color: #fac5cd; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#f9d7dc">
 
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<pre style="margin: 0">-<span id="LC1731" class="line" lang="html">0.000,001s.<span class="nt" style="color: navy"></dd></span></span>
</pre>
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<td class="diff-line-num new old_line" data-linenumber="1732" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
 
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<td class="diff-line-num new new_line" data-linenumber="1737" style="background: #ddfbe6; border-right-color: #c7f0d2; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#ddfbe6">
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<pre style="margin: 0">+<span id="LC1737" class="line" lang="html">0.000,001<span class="idiff left right"> seconds, and 1e-6 second</span>s.<span class="nt" style="color: navy"></dd></span></span>
</pre>
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1732
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1738
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<pre style="margin: 0"> <span id="LC1738" class="line" lang="html"><span class="nt" style="color: navy"></dl></span></span>
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<td class="diff-line-num old_line" data-linenumber="1733" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
1733
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<td class="diff-line-num new_line" data-linenumber="1739" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
1739
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<pre style="margin: 0"> <span id="LC1739" class="line" lang="html"></span>
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<td class="diff-line-num old_line" data-linenumber="1734" style="background: #fafafa; border-right-color: #f0f0f0; border-right-style: solid; border-right-width: 1px; color: rgba(0,0,0,0.3); padding: 0 5px; text-align: right; width: 35px" align="right" bgcolor="#fafafa">
1734
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1740
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<pre style="margin: 0"> <span id="LC1740" class="line" lang="html"><span class="nt" style="color: navy"><br></span></span>
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