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<p class="MsoNormal"><a name="_MailEndCompose">The variation throughout the year is fairly minimal and I don’t believe it is statistically relevant to worry about the data collection month.<o:p></o:p></a></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_MailEndCompose"><span lang="FR" style="font-size:10.0pt;font-family:"Trebuchet MS",sans-serif;color:#002060">Henry</span></span><span style="mso-bookmark:_MailEndCompose"><span lang="EN-GB" style="font-family:"Arial",sans-serif;color:#002060"><o:p></o:p></span></span></p>
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<p class="MsoNormal"><b>From:</b> Therion [mailto:therion-bounces@speleo.sk] <b>On Behalf Of
</b>Martin KERN via Therion<br>
<b>Sent:</b> 02 March 2018 16:22<br>
<b>To:</b> Ladislav Blažek <ladislav@lblazek.cz><br>
<b>Cc:</b> Martin KERN <martin.dehautenbas@gmail.com>; List for Therion users <therion@speleo.sk><br>
<b>Subject:</b> Re: [Therion] Magnetic declination<o:p></o:p></p>
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<p class="MsoNormal">Thanks for your reply Ladislav.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I know that but the automatic declination is calculated for the first januray of the year which is enter, not for the exact date.<o:p></o:p></p>
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<p class="MsoNormal">It's not a probleme for the accuracy of the survey ? <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Martin K. <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Le 2 mars 2018 17:05, "Ladislav Blažek" <<a href="mailto:ladislav@lblazek.cz">ladislav@lblazek.cz</a>> a écrit :<o:p></o:p></p>
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<p class="MsoNormal">Hi,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">declination should be calculated automatically based on the survey date.<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">Declination parameter is for manual correction.<o:p></o:p></p>
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<p class="MsoNormal">\LB<o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><br>
2. 3. 2018 v 16:29, Martin KERN via Therion <<a href="mailto:therion@speleo.sk" target="_blank">therion@speleo.sk</a>>:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Helvetica",sans-serif">Quick question concerning the magnetic declination.</span><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif">How you indicate it?<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Helvetica",sans-serif">Just by entering the date or with the command <declination>?</span><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Helvetica",sans-serif">Because when I just specify the date, the declination which is calculate is for the first January,
even if I specify another month in the centreline (e.g. 28.08.2017). Consequently, centreline is slightly offset that if I enter the real declination for the date.</span><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Helvetica",sans-serif">I don’t know if this shift is important for survey accuracy or if I can ignore it ?</span><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Helvetica",sans-serif"> </span><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Helvetica",sans-serif">Thanks and sorry for all my questions.</span><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Helvetica",sans-serif">Martin K.</span><span style="font-size:10.0pt;font-family:"Helvetica",sans-serif"><o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">_______________________________________________<br>
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<a href="https://mailman.speleo.sk/listinfo/therion" target="_blank">https://mailman.speleo.sk/listinfo/therion</a><o:p></o:p></p>
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<p class="MsoNormal" style="MARGIN: 0in 0in 0pt"><span style="font-size: 9px;"><span style="mso-ansi-language: EN-GB" lang="EN-GB"><font style="font-size: 9px;"><!--?xml:namespace prefix = "o" ns = "urn:schemas-microsoft-com:office:office" /--><o:p>Dell Corporation Limited is registered in England and Wales. Company Registration Number: 2081369<br>Registered address: Dell House, The Boulevard, Cain Road, Bracknell, Berkshire, RG12 1LF, UK.<br>Company details for other Dell UK entities can be found on <a href="http://www.dell.co.uk">www.dell.co.uk</a>.</o:p></font></span></span></p></body>
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