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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">I meant to say “…calculated *<b>for</b>* the various communications relay assets/spacecraft…”<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Barkley, Erik J (3970)
<br>
<b>Sent:</b> Wednesday, May 03, 2017 5:42 PM<br>
<b>To:</b> 'Colin.Haddow@esa.int' <Colin.Haddow@esa.int>; CCSDS Service Mgmt WG (smwg@mailman.ccsds.org) <smwg@mailman.ccsds.org><br>
<b>Subject:</b> RE: [Smwg] ESA Review of PIF<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Colin,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">A quick comment re #5. For NASA, what are called Mars “overflights” are determined by calculating the logical equivalent of a PIF from the point of view of the
in-situ asset (ie Rover). So this comes closest to equating the rover to an aperture. The Rise and Set are then calculated from the various communications relay assets/spacecraft (e.g., MRO, MEX, etc).<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Best regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">-Erik<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> SMWG [<a href="mailto:smwg-bounces@mailman.ccsds.org">mailto:smwg-bounces@mailman.ccsds.org</a>]
<b>On Behalf Of </b><a href="mailto:Colin.Haddow@esa.int">Colin.Haddow@esa.int</a><br>
<b>Sent:</b> Wednesday, May 03, 2017 3:06 AM<br>
<b>To:</b> CCSDS Service Mgmt WG (<a href="mailto:smwg@mailman.ccsds.org">smwg@mailman.ccsds.org</a>) <<a href="mailto:smwg@mailman.ccsds.org">smwg@mailman.ccsds.org</a>><br>
<b>Subject:</b> [Smwg] ESA Review of PIF<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif">Dear all,</span>
<br>
<span style="font-size:10.0pt;font-family:"Arial",sans-serif"> we've just completed the ESA review of the current draft of Planning Information Formats events and have identified the following points and questions.</span>
<o:p></o:p></p>
<ol start="1" type="1">
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<span style="font-size:10.0pt;font-family:"Arial",sans-serif">It would be useful to add the OWLT as an optional parameter to all events</span>
<o:p></o:p></li></ol>
<ol start="2" type="1">
<li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo2">
<span style="font-size:10.0pt;font-family:"Arial",sans-serif">It would be useful to add the elevation angle as a mandatory parameter to the FwdComsStartEvent, RetComsStartEvent ,FwdComsEndEvent and RetComsEndEvent events (JP would this cause any problems with
respect to TDRS ?)</span> <o:p></o:p></li></ol>
<ol start="3" type="1">
<li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo3">
<span style="font-size:10.0pt;font-family:"Arial",sans-serif">KeyholeEvent should be split into 2, KeyholeStart and KeyholeEnd</span>
<o:p></o:p></li></ol>
<ol start="4" type="1">
<li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo4">
<span style="font-size:10.0pt;font-family:"Arial",sans-serif">Question; should OWLT or RTLT be used ?</span>
<o:p></o:p></li></ol>
<ol start="5" type="1">
<li class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto;mso-list:l0 level1 lfo5">
<span style="font-size:10.0pt;font-family:"Arial",sans-serif">Question: How should comms events be handled for Rovers, e.g. define the relay spacecraft (or Rover) as an aperture or define specific events for Rover visibility or any other ideas ?</span><o:p></o:p></li></ol>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif"><br>
Anyway these can be used as input to the PIF discussion in San Antonio.</span> <br>
<br>
<span style="font-size:10.0pt;font-family:"Arial",sans-serif">Cheers for now,</span>
<br>
<br>
<span style="font-size:10.0pt;font-family:"Arial",sans-serif">Colin</span> <br>
<span style="font-size:10.0pt;font-family:"Arial",sans-serif"><br>
---------------------------------------------------------------------------------------------------------<br>
Dr. Colin R. Haddow,<br>
HSO-GI, European Space Agency,<br>
European Space Operations Centre,<br>
Robert-Bosch-Str 5,<br>
64293 Darmstadt,<br>
Germany.<br>
<br>
Phone; +49 6151 90 2896<br>
Fax; +49 6151 90 3010<br>
E-Mail; <a href="mailto:colin.haddow@esa.int">colin.haddow@esa.int</a><br>
---------------------------------------------------------------------------------------------------------</span><o:p></o:p></p>
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