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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Hi Nacho, Carey and Michael.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Thank you for the proposal addressing recommendation 2018-02.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">The team at GA have reviewed the document and have the following points:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="font-size:11.0pt;font-family:Symbol;color:#1F497D;mso-fareast-language:EN-US"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Is the primary driver for this proposal to reduce the total number of individual files being stored in the CDDIS data centre
or has there been requests from the user community?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="font-size:11.0pt;font-family:Symbol;color:#1F497D;mso-fareast-language:EN-US"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Within our data centre we find that the majority of requests for high-rate data files is for a couple of hours rather than
an entire day. <o:p></o:p></span></p>
<p class="MsoListParagraph"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="font-size:11.0pt;font-family:Symbol;color:#1F497D;mso-fareast-language:EN-US"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Within our data centre we do not store files within a directory structure, but essentially a large bucket that is referenced
to a database or index. As such, this proposal does not fit within our design and would not provide us any benefit. We are not constrained by the number of files that we can store and users wanting this data can request multiple files at once which are automatically
zipped together on download.<o:p></o:p></span></p>
<p class="MsoListParagraph"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="font-size:11.0pt;font-family:Symbol;color:#1F497D;mso-fareast-language:EN-US"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">We see no problems with the proposed name or folder structure. Although as a note should monument name read as station name?<o:p></o:p></span></p>
<p class="MsoListParagraph"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="font-size:11.0pt;font-family:Symbol;color:#1F497D;mso-fareast-language:EN-US"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">We support the consolidation of multi-GNSS navigation files into a single directory. <o:p></o:p></span></p>
<p class="MsoListParagraph"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="font-size:11.0pt;font-family:Symbol;color:#1F497D;mso-fareast-language:EN-US"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">We agree that keeping the most recent set of data in the standard format is a good idea.<o:p></o:p></span></p>
<p class="MsoListParagraph"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="font-size:11.0pt;font-family:Symbol;color:#1F497D;mso-fareast-language:EN-US"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">We would support CDDIS (or other GDCs) in making such a change, but would request that this not become a mandatory change.<o:p></o:p></span></p>
<p class="MsoListParagraph"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt;mso-list:l0 level1 lfo2"><![if !supportLists]><span style="font-size:11.0pt;font-family:Symbol;color:#1F497D;mso-fareast-language:EN-US"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">I would suggest delaying the change until after 1 Jan as support during this period is generally limited due to Christmas
and New Year. I would suggest 1 Feb be a more appropriate date. Noting that the impact of these change on users would be minimal.<o:p></o:p></span></p>
<p class="MsoListParagraph"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Kind regards,<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:10.0pt;font-family:"Arial",sans-serif;color:#333333">Ryan Ruddick</span></b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333"> </span><b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#006983">
<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333">Section Leader
</span><b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#006983">|</span></b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333"> GNSS Infrastructure and Informatics</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333">National Positioning Infrastructure</span><b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#006983"> |</span></b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333">
Positioning and Community Safety Division</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:6.0pt;font-family:"Arial",sans-serif;color:#29627D"> </span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#006983">t</span></b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#333333"> +61 2 6249 9426
</span><b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#006983">m</span></b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#333333"> +61</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif"> (0</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#333333">)
429 771 069 </span><span style="font-size:6.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><a href="http://www.ga.gov.au/"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;text-decoration:none"><img border="0" width="270" height="49" style="width:2.8095in;height:.5059in" id="x_Picture_x0020_15" src="cid:image006.png@01D59BAE.5A81ABC0" alt="16-9481 GA Email Signature_social media-04"></span></a><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:6.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><a href="https://twitter.com/GeoscienceAus"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;text-decoration:none"><img border="0" width="20" height="18" style="width:.2083in;height:.1904in" id="x_Picture_x0020_14" src="cid:image007.png@01D59BAE.5A81ABC0" alt="16-9481 GA Email Signature_social media-v2-01"></span></a><a href="https://www.facebook.com/GeoscienceAustralia"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;text-decoration:none"><img border="0" width="20" height="18" style="width:.2083in;height:.1904in" id="x_Picture_x0020_13" src="cid:image008.png@01D59BAE.5A81ABC0" alt="16-9481 GA Email Signature_social media-v5"></span></a><a href="https://www.youtube.com/user/GeoscienceAustralia"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;text-decoration:none"><img border="0" width="20" height="18" style="width:.2083in;height:.1904in" id="x_Picture_x0020_12" src="cid:image009.png@01D59BAE.5A81ABC0" alt="16-9481 GA Email Signature_social media-v2-02"></span></a><a href="https://www.linkedin.com/company/geoscience-australia"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;text-decoration:none"><img border="0" width="18" height="18" style="width:.1904in;height:.1904in" id="x_Picture_x0020_11" src="cid:image010.png@01D59BAE.5A81ABC0" alt="16-9481 GA Email Signature_social media-03"></span></a><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><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"><i><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Make flexibility work. If you receive an email from me at a time that is outside of normal business hours, I am sending it at a time that suits me. I am not
expecting you to read or reply until normal business hours.</span></i><span style="font-size:10.0pt;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"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><a name="_jsOm_4239565966AE4B9F90D68393E077E0DE"></a><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext">
IGS-IC <igs-ic-bounces@lists.igs.org> <b>On Behalf Of </b>Nacho Romero<br>
<b>Sent:</b> Wednesday, 13 November 2019 2:18 AM<br>
<b>To:</b> ic IGS List <igs-ic@lists.igs.org>; igs-dcwg@lists.igs.org<br>
<b>Subject:</b> [IGS-IC-846] Infrastructure Committee business<o:p></o:p></span></p>
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<p>Hello to all of you,<o:p></o:p></p>
<p>In the end I will not make the trip to the AGU in SF this December and I cannot host the IC/DC meeting that I had asked you about a few days ago. On the other hand if there is quorum we could still hold the meeting if enough people are making the trip and
the others we can join by telecon. Please let me know and I can get the IGS CB to find a meeting room and setup the webex.<o:p></o:p></p>
<p>Secondly I would ask you to please read the enclosed document from the CDDIS on the high-rate data long term archiving. This corresponds to Recommendation 2018-02 from last year's IGS Workshop. CDDIS will take the lead but we should have discussion and agreement
that this appears OK to everyone. This way forward shall not be an imposition for the Data Centers (as far as I understand) but rather an alternative for storing the 96 high-rate station files each day in a much more convenient form, so this alternative shall
be informed to the users and documented and explained on our different websites.<o:p></o:p></p>
<p>We have a volunteer to start to tackle recommendation 2018-04 and I am hoping that we have a plan to announce the switch away from the "compress .Z" to "gzip .gz" for IGS data and products, there are some issues to work through so if you have ideas or potential
pitfalls please let us know.<o:p></o:p></p>
<p>This is related to the removal of the need to submit Rinex 2 files , for now we have kindly asked all station operators in the IGs to retain Rinex 2/ Rinex 3 capabilities for their stations and many have done so. some have already removed the Rine x2 data
flows as they updated their data handling software and could not retain the old capabilities. By making a formal announcement soon that from 01/01/2020 IGS stations do not need to submit Rinex 2 any longer if the Rinex 3 station files are flowing , but that
they can retain dual file submissions if they want, but then I would like to know if we can request that the Rinex 2 files be "gzip .gz" compressed so that we can move forward ... please send your views on this. Thanks.<o:p></o:p></p>
<p><o:p> </o:p></p>
<p>Please also look over the enclosed recommendations from the last two workshops and let us know if you would like to advance any one of them. Thanks. Otherwise I will keep trying to push for actions as needed.<o:p></o:p></p>
<p>Finally, the next IGS Workshop will be at UCAR in Boulder, CO on 14-18 August, 2020, I hope to see you there! If there is no objection now (please email me) we will retain the current Infrastructure Committee composition and organization and bring it up
for discussion next summer. I am open to any suggestions for changes including my Chairmanship, I have been at this for a while and enjoy it and would like to continue but if you would like to be considered we can have an internal IC process to elect a new
Chair ahead of the next workshop. <o:p></o:p></p>
<p>Hope all is well at your end, <o:p></o:p></p>
<pre>-- <o:p></o:p></pre>
<pre>Best regards,<o:p></o:p></pre>
<pre>Nacho<o:p></o:p></pre>
<pre>_______________________________________________________________<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>Ignacio (Nacho) Romero<o:p></o:p></pre>
<pre>Aerospace Engineer, PhD<o:p></o:p></pre>
<pre>CSC Ltd @ ESA/ESOC/OPS-GN<o:p></o:p></pre>
<pre>Satellite Navigation Engineer @ ESOC Navigation Support Office<o:p></o:p></pre>
<pre>IGS Infrastructure Committee Chair<o:p></o:p></pre>
<pre><a href="http://www.navigation-office.esa.int">www.navigation-office.esa.int</a><o:p></o:p></pre>
<pre><a href="http://www.canaryspaceconsulting.co.uk">www.canaryspaceconsulting.co.uk</a><o:p></o:p></pre>
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