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<p class="MsoNormal"><span style="font-family:Courier">Mario/Brigitte:</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:Courier"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:Courier">Per your request, here is the "simple report" on Nav WG projects as of our 03-Apr-2019
<span style="color:black">telecon. </span></span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:Courier"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:Courier;color:black">500.0 Navigation Data</span><span style="font-family:Courier"> -
<span style="color:black">Definitions and Conventions Green Book: Version 4 updates are in progress</span>, and nearing completion<span style="color:black">. The 3.6 update
</span>should<span style="color:black"> be </span>distributed this week<span style="color:black">. We plan to request the CESG/CMC
</span>"approval to publish" p<span style="color:black">olls </span>around the time of the Spring Meetings or shortly thereafter.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:Courier"> </span><o:p></o:p></p>
<p class="MsoNormal"><span class="ms-metadata"><span style="font-family:Courier">500.2 Navigation Data Messages Overview - Green Book: Version 2 updates are in progress, and nearing completion.
</span></span><span style="font-family:Courier">A<span style="color:black"> </span>
third<span style="color:black"> draft of the document</span> was distributed in early January; a few editorial revisions have been suggested from the review. Progress is very good overall<span style="color:black">. Again, we plan to request the CESG/CMC Polls
and publication </span>around the time of the Spring Meetings or possibly before<span style="color:black">.</span></span><o:p></o:p></p>
<p class="MsoNormal"><span class="ms-metadata"><span style="font-family:Courier"> </span></span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:Courier;color:black">502.0 Orbit Data Message (ODM):
</span><span style="font-family:Courier">The latest draft (<span style="color:black">P2.38</span>) was distributed late November and is still under internal review (target for completion at end of April 2019). Updates to
<span style="color:black">CCSDS Normative Annexes SANA Registries </span>continue. The ODM will be one of the
<span style="color:black">first to take advantage of this new feature; applicable annexes have been removed from the draft of P2.38. We hope to have
</span>a P2.39 initial<span style="color:black"> update around the time of the Spring Meetings.</span></span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Courier;color:black"> </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Courier;color:black">503.0 Tracking Data Message (TDM): Unfortunately very little progress has been made recently.</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Courier;color:black"> </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Courier;color:black">504.0 Attitude Data Messages (ADM): Version 2 updates are in progress. A version P1.8 update of the ADM including the new Attitude Comprehensive Message (ACM) material (analogous to the ODM's
Orbit Comprehensive Message (OCM)) will be produced about 2 weeks prior to the Spring Meetings.</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Courier;color:black"> </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Courier;color:black">505.0 Navigation Data Messages XML Specification (NDM/XML): There has not been much progress since last report</span><span style="font-family:Courier">,<span style="color:black"> given the priority
</span>on other documents.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:Courier"> </span><o:p></o:p></p>
<p class="MsoNormal"><span class="ms-metadata"><span style="font-family:Courier">508.0 Conjunction Data Message (CDM): </span></span><span style="font-family:Courier">Preliminary discussions among the co-editors of the document have commenced.
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:Courier"> <span style="color:black"> </span></span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:Courier;color:black">508.1 Re-Entry Data Message (RDM):
</span><span style="font-family:Courier">Prototype testing by ESA and DLR has been completed, and a test report produced. A final, detailed proofreading of the Red Book 1.4 will commence, with a Red Book 1.5 expected to be ready for "approval to publish" CESG/CMC
polls as an output of the Spring Meetings. Excellent progress is being made.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:Courier"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:Courier">509.0 Pointing Request Message (PRM): Recently published, no new work necessary.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:Courier"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:Courier;color:black">50x.0 Navigation Events Message (NEM):</span><span style="font-family:Courier"> D<span style="color:black">istribution of the first NEM White Book
</span>should be occur around the beginning of the Spring Meetings. </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:Courier"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:Courier;color:black">Regards,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:Courier;color:black">David</span><o:p></o:p></p>
<pre><span style="color:black"> </span><o:p></o:p></pre>
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