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<p>We attempted to hold the Time Management teleconference as
scheduled today. Unfortunately, participation was small, some
people had conflicts, one or two may have had a daylight vs.
standard time mix up, and there was no one from outside of the
U.S. joining. After a short conversation, we decided it would be
better to coordinate by email rather than talk among such a small
group.</p>
<p>Please respond to the following, within the next couple of days,
if you can.<br>
</p>
<ul>
<li>If you had an input to discuss at today's meeting, please post
it to CWE in the "2020-04-06 teleconference" folder. If you do
this, please also send an email to this mailing list, with a
paragraph describing what the input is. Currently, there are
two inputs there. One is from Lee Pitts and includes his
comments on the previous Green Book draft, along with a new
section, 6.2, on ranging/Doppler. The other is from Vic
Vilnrotter and includes about 12 pages describing the time
correlation concept and 3 NASA methods for time correlation.
This work is still being edited.<br>
</li>
<li>Originally, we had face-to-face meetings scheduled for May 6
and 8. Since those are now cancelled, we will schedule
teleconferences. It is not practical to meet for 8 hours in a
day, given the time zones we are in. I propose that we meet for
two hours on each of May 6 and May 8, starting at 7 am Pacific
Daylight Time (GMT-7). Please let me know if this would be OK
with you.<br>
</li>
<li>The main goal of these meetings is to assemble a complete a
draft of the Green Book. The most important part of the Green
Book at this point is the input from each agency that describes
their protocol(s) for managing time. The introductory and
boilerplate material will be much easier to write. Please let
me know your updated plans for providing input.</li>
<li>Please also let me know if you have other presentations or
topics to discuss at the May teleconferences. I would like to
discuss the path forward on the mission survey of time
management, for example.</li>
</ul>
<p>Thank you for your continued participation during these trying
times. I hope you are all managing well and staying safe.<br>
</p>
<p> ----Jon<br>
</p>
<div class="moz-signature">-- <br>
<strong>Jon Hamkins</strong><br>
Lead Technologist<br>
33 | Communications, Tracking, and Radar Division<br>
<strong>O</strong> 818-354-4764 | <strong>M</strong>
626-658-6220 <br>
<br>
<strong>JPL</strong> | jpl.nasa.gov
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