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<div class="moz-cite-prefix">On 10/25/2020 4:29 PM, Fred Hillhouse
wrote:<br>
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<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<br>
<p style="margin-bottom:12.0pt"><br>
<o:p></o:p></p>
<div style="margin-bottom:12.0pt;text-align:center"
align="center"><b><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">
<hr style="color:#909090" width="99%" size="1"
noshade="noshade" align="center"></span></b></div>
<p style="margin-bottom:12.0pt"><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">My
example shows more than just stations on the map. It shows
where stations have been heard directly regardless of
stations aging out. It is an ever growing depiction of heard
areas. <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">Fred
N7FMH<o:p></o:p></span></p>
<p style="margin-bottom:12.0pt"><b><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></b></p>
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<p><br>
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<p><font face="Helvetica, Arial, sans-serif"><b>Aha! Got you. <br>
</b></font></p>
<p><font face="Helvetica, Arial, sans-serif"><b><br>
</b></font></p>
<p><font face="Helvetica, Arial, sans-serif"><b>I DID do something
similar to this decades ago. At:</b></font></p>
<p><font face="Helvetica, Arial, sans-serif"><b>
<a class="moz-txt-link-rfc2396E" href="file:///F:/WA8LMF.net/APRSmaps/index.htm"><file:///F:/WA8LMF.net/APRSmaps/index.htm></a></b></font></p>
<p><font face="Helvetica, Arial, sans-serif"><b>you will see a set
of maps from around the world showing APRS digipeater presence
as monitored off the Internet. I set UIview to not expire
stations for over 20 hours. Then monitored the APRS-IS stream
for over 12 hours, filtered for digipeater symbols only.
This understated the digi presence a bit, since a lot of home
digis that do multiple duty as clients and/or igates don't
beacon the digi star symbol. Still it gives a sense of where
APRS activity is present. <br>
</b></font></p>
<p><font face="Helvetica, Arial, sans-serif"><b><b>These maps were
done in 2007. </b>I ought to redo this experiment today,
to see how digi presence has changed in 13 years.</b></font></p>
<p><font face="Helvetica, Arial, sans-serif"><b><br>
</b></font></p>
<hr width="100%" size="2">
<p><font face="Helvetica, Arial, sans-serif">Stephen H. Smith
wa8lmf (at) aol.com <br>
Skype: WA8LMF<br>
EchoLink: Node # 14400 [Think bottom of the 2-meter band]<br>
Home Page: <a class="moz-txt-link-freetext" href="http://wa8lmf.net">http://wa8lmf.net</a><br>
<br>
----- NEW! 60-Meter APRS! HF NVIS APRS Igate Now
Operating ------<br>
<a class="moz-txt-link-rfc2396E" href="http://wa8lmf.ddns.net:14447/"><http://wa8lmf.ddns.net:14447/></a><br>
<br>
Flying Digipeater!<br>
<a class="moz-txt-link-rfc2396E" href="http://WA8LMF.net/FlyingDigi"><http://WA8LMF.net/FlyingDigi></a><br>
<br>
11 Copies of UIview in Action on One Computer! <br>
Live Off-The-Air APRS Activity Maps<br>
<a class="moz-txt-link-rfc2396E" href="http://wa8lmf.net/map"><http://wa8lmf.net/map></a><br>
<br>
Long-Range APRS on 30 Meters HF <br>
<a class="moz-txt-link-rfc2396E" href="http://wa8lmf.net/aprs/HF_APRS_Notes.htm"><http://wa8lmf.net/aprs/HF_APRS_Notes.htm></a><br>
<br>
</font><br>
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