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<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">Daniel:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">Here is the "simple report" on Nav WG projects in progress as of our 10-Apr-2024 telecon. Overall progress is good.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;color:black">500.0 Navigatio</span><span style="font-size:12.0pt">n<span style="color:black"> Data</span> -
<span style="color:black">Definitions and Conventions Green Book </span>(<span style="color:black">V.</span>4)<span style="color:black">:</span> Julie Halverson has prepared a response to a reader's question on quaternion operations that will be provided to
the reader. The SANA registry will be updated with the resolution. A corrigendum to the Green Book will likely be prepared in the near future.<span style="color:black"><o:p></o:p></span></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="Default"><span style="font-family:"Calibri",sans-serif">503.0 Tracking Data Message (TDM V.3): Pink Book Draft 2.0.2 is
</span><span style="font-family:"Calibri",sans-serif;color:windowtext">complete effective today. We will commence internal WG review soon.
</span><span style="font-family:"Calibri",sans-serif">We </span><span style="font-family:"Calibri",sans-serif;color:windowtext">will discuss the
</span><span style="font-family:"Calibri",sans-serif">updated version </span><span style="font-family:"Calibri",sans-serif;color:windowtext">during</span><span style="font-family:"Calibri",sans-serif">
</span><span style="font-family:"Calibri",sans-serif;color:windowtext">the</span><span style="font-family:"Calibri",sans-serif">
</span><span style="font-family:"Calibri",sans-serif;color:windowtext">Spring Meetings.</span><span style="font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"> <span style="color:black"> </span> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;color:black">505.0 Navigation Data Messages XML Specification (NDM/XML</span><span style="font-size:12.0pt"> V.4<span style="color:black">):
</span><span class="ms-metadata">The NDM/XML V.4 document has just completed the </span>
<span style="color:black">CESG/CMC "Approval for Agency Review" poll</span>. Next up: CMC Poll.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;color:black">50</span><span style="font-size:12.0pt">7<span style="color:black">.0 Navigation Events Message (NEM</span> V.1<span style="color:black">):</span> There should be an initial White Book to discuss
at the Spring 2024 meetings. Draft Spring agenda includes a time slot for discussion.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">507.1 Launch Data Message: We discussed aspects of a first White Book. There should be an initial White Book to discuss at the Spring 2024 meetings. Draft Spring agenda includes a time slot for discussion.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span class="ms-metadata"><span style="font-size:12.0pt">508.0 Conjunction Data Message (CDM V.2): The Agency Review is now in progress; review ends 2024-05-31</span></span><span style="font-size:12.0pt">.<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:12.0pt">508.2 Fragmentation Data Message: Our Lead Editor was not able to attend, so no new status. Draft Spring agenda includes a time slot for discussion.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">Recently published/reconfirmed standards/other documents with no action necessary: 500.2 Navigation Data Messages Overview Green Book (V.3),
<span style="color:black">502.0 Orbit Data Message (V.3</span>), 504.0 Attitude Data Messages (V.2), 508.1 Re-Entry Data Message (V.1), 509.0 Pointing Request Message (V.1)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;color:black">Regards,</span><span style="font-size:12.0pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt;color:black">David</span><span style="font-size:12.0pt"><o:p></o:p></span></p>
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