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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Thanks – that’s what I thought.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">What made me think of asking this question was given that the APRS-IS server checks for packet dups submissions, I was thinking, there had to be previous records
stored somewhere to compare w/. <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">So, that begs a question; how does the APRS-IS determine whether a record is dup vs not ? and what does it compare the new incoming packet to.<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"><o:p> </o:p></span></p>
<p class="MsoNormal"><a name="_MailEndCompose"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></a></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"> Kenneth Finnegan [mailto:kennethfinnegan2007@gmail.com]
<br>
<b>Sent:</b> Sunday, July 19, 2015 11:02 AM<br>
<b>To:</b> TAPR APRS Mailing List <aprssig@tapr.org>; Nagi Punyamurthula <n0agi@n0agi.com><br>
<b>Cc:</b> mnaprs@googlegroups.com<br>
<b>Subject:</b> Re: [aprssig] APRS-IS Database :: Query for static dataset<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p>There is no such thing as the APRS IS database pool. It is just a firehose of packets and if you want to see past data you need to have saved it when it came through.
<o:p></o:p></p>
<p>Kenneth Finnegan<o:p></o:p></p>
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<p class="MsoNormal">On Jul 19, 2015 8:48 AM, "Nagi Punyamurthula via aprssig" <<a href="mailto:aprssig@tapr.org">aprssig@tapr.org</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Hello all<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Is there a way to pull a static snapshot dataset from APRS-IS Database. That is, connect
<span style="font-family:Wingdings">à</span> get dataset (based on a few filters)
<span style="font-family:Wingdings">à</span> disconnect. The purpose of this is to get a historical snapshot of data from the APRS-IS Database pool. Is this query exposed today in APRS-IS infrastructure; or does one need to implement our own repository logic?
<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I have been able to pull realtime JIT data via establishing a TCP connection to the server pool on port 14580. So, I know we can do that. But, I was not sure if it is possible
to pull static historical dataset and *<b>whether if that static view was even kept in the APRS-IS database pool</b>*.<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Any pointers here from the APRS-IS gurus
<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Thanks<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Nagi<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D">73, N0AGI-Nagi</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D"><img border="0" width="76" height="76" id="Picture_x0020_1" src="cid:image001.jpg@01D0C219.26E6B850" alt="cid:image001.jpg@01D08197.994BC970"></span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><a href="http://N0AGI.com/" target="_blank"><span style="color:#0563C1">http://N0AGI.com/</span></a><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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_______________________________________________<br>
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<a href="http://www.tapr.org/mailman/listinfo/aprssig" target="_blank">http://www.tapr.org/mailman/listinfo/aprssig</a><o:p></o:p></p>
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