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	<id>https://wiki.lightmeter.at/index.php?action=history&amp;feed=atom&amp;title=NL_Utrecht_2</id>
	<title>NL Utrecht 2 - Versionsgeschichte</title>
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		<id>https://wiki.lightmeter.at/index.php?title=NL_Utrecht_2&amp;diff=225&amp;oldid=prev</id>
		<title>GuentherWuchterl: Die Seite wurde neu angelegt: „near the central point of the Dutch weather stations: Weather: http://www.knmi.nl/klimatologie/daggegevens/index.cgi  [http://dc.zah.uni-heidelberg.de/__system__/adql/query/form?__nevow_form__=genForm&amp;query=select%20*%20from%20lightmeter.stations&amp;timeout=5&amp;_FORMAT=HTML&amp;submit=Go Kalibration at GAVO] NL_Utrecht_2	52.0753	5.1101	6.0	Wim Schmidt	0	116538.0	0.00418392	3.40829e-09	0.00495388  =Calibration March 6-8 2010=       The calibration for NL_Utrecht_2:…“</title>
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		<updated>2023-08-27T10:58:29Z</updated>

		<summary type="html">&lt;p&gt;Die Seite wurde neu angelegt: „near the central point of the Dutch weather stations: Weather: http://www.knmi.nl/klimatologie/daggegevens/index.cgi  [http://dc.zah.uni-heidelberg.de/__system__/adql/query/form?__nevow_form__=genForm&amp;amp;query=select%20*%20from%20lightmeter.stations&amp;amp;timeout=5&amp;amp;_FORMAT=HTML&amp;amp;submit=Go Kalibration at GAVO] NL_Utrecht_2	52.0753	5.1101	6.0	Wim Schmidt	0	116538.0	0.00418392	3.40829e-09	0.00495388  =Calibration March 6-8 2010=       The calibration for NL_Utrecht_2:…“&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Neue Seite&lt;/b&gt;&lt;/p&gt;&lt;div&gt;near the central point of the Dutch weather stations:&lt;br /&gt;
Weather: http://www.knmi.nl/klimatologie/daggegevens/index.cgi&lt;br /&gt;
&lt;br /&gt;
[http://dc.zah.uni-heidelberg.de/__system__/adql/query/form?__nevow_form__=genForm&amp;amp;query=select%20*%20from%20lightmeter.stations&amp;amp;timeout=5&amp;amp;_FORMAT=HTML&amp;amp;submit=Go Kalibration at GAVO]&lt;br /&gt;
NL_Utrecht_2	52.0753	5.1101	6.0	Wim Schmidt	0	116538.0	0.00418392	3.40829e-09	0.00495388&lt;br /&gt;
&lt;br /&gt;
=Calibration March 6-8 2010=&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
    The calibration for NL_Utrecht_2:&lt;br /&gt;
&lt;br /&gt;
        X = c ( b (a exp (n(1+d*T)/a) - 1) + n ) &lt;br /&gt;
        n ... counts (sensor output)&lt;br /&gt;
        T ... sensor-temperature in °C&lt;br /&gt;
        X ... physical quantity (total radiation in [W/m²] &lt;br /&gt;
              or horizontal illumination [Lux])&lt;br /&gt;
&lt;br /&gt;
    a,b,c,d = 1.16538e+05, 4.18392e-03, 3.40829e-09, 4.95388e-03 [W/m²]&lt;br /&gt;
   [a,b,c,d = 1.16538e+05, 4.18392e-03, 3.40829e-07, 4.95388e-03 [Lux] ]&lt;br /&gt;
&lt;br /&gt;
        [Background x0= 28.9 mlx]&lt;br /&gt;
&lt;br /&gt;
Log:&lt;br /&gt;
&lt;br /&gt;
  In [74]: SJD1=(X.JD &amp;gt; mx.DateTime.DateTime(2010,3,6,10,37).jdn) &amp;amp; (X.JD &amp;lt; mx.DateTime.DateTime(2010,3,7,8,00).jdn)&lt;br /&gt;
  In [75]: SJD2=(X.JD &amp;gt; mx.DateTime.DateTime(2010,3,7,10,11).jdn) &amp;amp; (X.JD &amp;lt; mx.DateTime.DateTime(2010,3,7,23,59).jdn)&lt;br /&gt;
  In [76]: SSH=(X.Sunheight_deg_from_JD(X.JD)&amp;gt;20)|((X.Sunheight_deg_from_JD(X.JD)&amp;lt;0)&amp;amp;(X.Sunheight_deg_from_JD(X.JD)&amp;gt;-12))&lt;br /&gt;
  In [77]: SJD=(SJD1|SJD2)&amp;amp;SSH&lt;br /&gt;
  In [78]: X.plot_em1c0T(1.19769e+05,9.48089e-03,2.17334e-07,-1.70136e-02,5.43590e-03,marker='o',color='r',JD_select=SJD)&lt;br /&gt;
  In [79]: X.fit_em1_to_natLight(Lux_range=[0.0001, 200000], type='em1c0T',JD_select=SJD)&lt;br /&gt;
  Fit: a,b,c,x0,d,: 1.16538e+05,4.18392e-03,3.40829e-07,-2.89218e-02,4.95388e-03,res2/(N-n-1) = 0.0556 ,N = 261, n= 5&lt;br /&gt;
--[[Benutzer:GuentherWuchterl|GuentherWuchterl]] 22:59, 18. Aug. 2010 (UTC)&lt;br /&gt;
&lt;br /&gt;
WH --[[User:GuentherWuchterl|GW]] ([[User talk:GuentherWuchterl|talk]]) 16:36, 28 April 2016 (CEST)&lt;/div&gt;</summary>
		<author><name>GuentherWuchterl</name></author>
	</entry>
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