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	<title>Pitfalls from Spiky Waveforms - Revision history</title>
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	<updated>2026-04-10T04:20:50Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://naturalphilosophy.org/wiki/index.php?title=Pitfalls_from_Spiky_Waveforms&amp;diff=19978&amp;oldid=prev</id>
		<title>Maintenance script: Imported from text file</title>
		<link rel="alternate" type="text/html" href="http://naturalphilosophy.org/wiki/index.php?title=Pitfalls_from_Spiky_Waveforms&amp;diff=19978&amp;oldid=prev"/>
		<updated>2017-01-01T17:54:33Z</updated>

		<summary type="html">&lt;p&gt;Imported from text file&lt;/p&gt;
&lt;table style=&quot;background-color: #fff; color: #202122;&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revision as of 13:54, 1 January 2017&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l11&quot;&gt;Line 11:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 11:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Abstract==&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;==Abstract==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot;&gt;&lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;br&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;−&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Claims of overunity can often be attributed to lack of familiarity with how oscilloscopes collect and display data. Slow sampling rates can alias actual trends and smooth spikes. Simultaneous displays of current and voltage readings often do not align corresponding data points vertically. For best results in calculating power, the current and voltage should be multiplied point-by-point and then integrated. The automatic power calculation features on some oscilloscopes erroneously integrate and then multiply. In addition, currents induced in lines from the environment are often underestimated. A checklist of common pitfalls is provided.[[Category:Scientific Paper]]&lt;/div&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Claims of overunity can often be attributed to lack of familiarity with how oscilloscopes collect and display data. Slow sampling rates can alias actual trends and smooth spikes. Simultaneous displays of current and voltage readings often do not align corresponding data points vertically. For best results in calculating power, the current and voltage should be multiplied point-by-point and then integrated. The automatic power calculation features on some oscilloscopes erroneously integrate and then multiply. In addition, currents induced in lines from the environment are often underestimated. A checklist of common pitfalls is provided.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-side-deleted&quot;&gt;&lt;/td&gt;&lt;td class=&quot;diff-marker&quot; data-marker=&quot;+&quot;&gt;&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:Scientific Paper&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;|pitfalls spiky waveforms&lt;/ins&gt;]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
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		<author><name>Maintenance script</name></author>
	</entry>
	<entry>
		<id>http://naturalphilosophy.org/wiki/index.php?title=Pitfalls_from_Spiky_Waveforms&amp;diff=8254&amp;oldid=prev</id>
		<title>Maintenance script: Imported from text file</title>
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		<updated>2016-12-30T17:05:43Z</updated>

		<summary type="html">&lt;p&gt;Imported from text file&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{Infobox paper&lt;br /&gt;
| title = Pitfalls from Spiky Waveforms&lt;br /&gt;
| author = [[George D Hathaway]]&lt;br /&gt;
| keywords = [[debunking]], [[error analysis]], [[false indications]], [[instrumentation]], [[overunity]], [[power calculations]]&lt;br /&gt;
| published = 2003&lt;br /&gt;
| journal = [[Electric Spacecraft Journal]]&lt;br /&gt;
| number = [[36]]&lt;br /&gt;
| pages = 25-27&lt;br /&gt;
}}&lt;br /&gt;
&lt;br /&gt;
==Abstract==&lt;br /&gt;
&lt;br /&gt;
Claims of overunity can often be attributed to lack of familiarity with how oscilloscopes collect and display data. Slow sampling rates can alias actual trends and smooth spikes. Simultaneous displays of current and voltage readings often do not align corresponding data points vertically. For best results in calculating power, the current and voltage should be multiplied point-by-point and then integrated. The automatic power calculation features on some oscilloscopes erroneously integrate and then multiply. In addition, currents induced in lines from the environment are often underestimated. A checklist of common pitfalls is provided.[[Category:Scientific Paper]]&lt;/div&gt;</summary>
		<author><name>Maintenance script</name></author>
	</entry>
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