<div dir="ltr">Actually, the model looks good to me:<div><div><img src="cid:ii_15e0896d943b019e" alt="Inline image 2" style="margin-right: 0px;"></div><div>This is with Radio Mobile. The link is only 17.57km, so I'm not sure why you get a reported obstruction at 19.41km. One of us must be punching the coordinates in wrong.</div></div><div><br></div><div>On Google Earth the trees look pretty tall. Trees are pretty good attenuators at 5.9 GHz, so you'll need clear line of sight for it to work.</div><div><br></div><div>Tom</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Aug 20, 2017 at 12:38 PM, W7ABD <span dir="ltr"><<a href="mailto:w7abd1@gmail.com" target="_blank">w7abd1@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div text="#3333FF" bgcolor="#FFFFFF">
<font size="+1"><font face="Courier New, Courier, monospace">Hi Tom,<br>
<br>
I used the Scadacore RF Line of Sight path modeling <br>
(<a class="m_6696628671987742442moz-txt-link-freetext" href="http://www.scadacore.com/field-tools/rf-path/rf-line-of-sight/" target="_blank">http://www.scadacore.com/<wbr>field-tools/rf-path/rf-line-<wbr>of-sight/</a>)<br>
This app has to be run on device that has google earth app
installed, like an iPad.<br>
<br>
Using these parameters:<br>
<br>
Haystack Lat: 47.808024<br>
Lot: -121.727227<br>
Height: 3 m<br>
<br>
My QTH Lat: 47.722862<br>
Lot: -121.925666<br>
Height: 10 m<br>
<br>
<br>
<br>
From the looks of the plot, I have obstructed line of sight at
19.41 km. So unlikely Haystack will work. Will check out the
other sites...<br>
<br>
Jim<span class="HOEnZb"><font color="#888888"><br>
W7ABD<br>
<br>
<br>
<br>
</font></span></font></font><div><div class="h5">
<div class="m_6696628671987742442moz-cite-prefix">On 08/19/17 14:04, Tom Hayward wrote:<br>
</div>
<blockquote type="cite">
<div dir="auto">The antennas are about ten feet above ground.
They're mounted to the building, no tower.
<div dir="auto"><br>
</div>
<div dir="auto">Tom KD7LXL </div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Aug 19, 2017 1:12 PM, "W7ABD" <<a href="mailto:w7abd1@gmail.com" target="_blank">w7abd1@gmail.com</a>>
wrote:<br type="attribution">
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div text="#3333FF" bgcolor="#FFFFFF"> <font size="+1"><font face="Courier New, Courier, monospace">Thanks for the
info Tom!<br>
<br>
I completely missed the lat/lot at the top of the
pictures page...<br>
<br>
Do you know the MSL (height of the haystack antenna).
Seems I have missed that too...<br>
<br>
Will be happy to share my method for path modeling
once I get it up and running... <br>
<br>
Thanks!<br>
<br>
Jim<br>
W7ABD<br>
<a class="m_6696628671987742442m_-1031402482523019306moz-txt-link-abbreviated" href="mailto:w7abd1@gmail.com" target="_blank">w7abd1@gmail.com</a><br>
<br>
<br>
</font></font>
<div class="m_6696628671987742442m_-1031402482523019306moz-cite-prefix">On
08/19/17 08:15, Tom Hayward wrote:<br>
</div>
<blockquote type="cite">
<div dir="auto">You can find the location published
here:
<div dir="auto"><a href="https://hamwan.org/Puget%20Sound%20Data%20Ring/Sites/Haystack.html" target="_blank">https://hamwan.org/Puget%20Sou<wbr>nd%20Data%20Ring/Sites/Haystac<wbr>k.html</a><br>
</div>
<div dir="auto"><br>
</div>
<div dir="auto">The antenna pattern is here:</div>
<div dir="auto"><a href="https://hamwan.org/Labs/Antenna%20Analysis/Ubiquiti%205G-19-120.html" target="_blank">https://hamwan.org/Labs/Antenn<wbr>a%20Analysis/Ubiquiti%205G-19-<wbr>120.html</a><br>
</div>
<div dir="auto"><br>
</div>
<div dir="auto">Haystack has two of these, aimed at 0
and 240 degrees. </div>
<div dir="auto"><br>
</div>
<div dir="auto">There is 500mw of transmit power at
the antennas. The receiver threshold is about
-90dBm, but -70 is required for full speed. </div>
<div dir="auto"><br>
</div>
<div dir="auto">I'm always curious to hear about path
modeling, if you want to share your methodology. </div>
<div dir="auto"><br>
</div>
<div dir="auto">Tom KD7LXL </div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Aug 19, 2017 8:05 AM,
"W7ABD" <<a href="mailto:w7abd1@gmail.com" target="_blank">w7abd1@gmail.com</a>>
wrote:<br type="attribution">
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div text="#3333FF" bgcolor="#FFFFFF"> <font size="+1"><font face="Courier New, Courier,
monospace">I considering joining HAMWAN, but
before I invest in the equipment want to
make sure I will have good signal and
bandwidth at my home QTH.<br>
<br>
Can someone please send me the exact
location (lat, lon) of Haystack, so I can do
a line-of-sight study.<br>
<br>
Thanks!<br>
<br>
Jim<br>
W7ABD<br>
<a class="m_6696628671987742442m_-1031402482523019306m_2314192397294160106moz-txt-link-abbreviated" href="mailto:w7and1@gmail.com" target="_blank">w7and1@gmail.com</a><br>
<br>
</font></font> </div>
<br>
______________________________<wbr>_________________<br>
PSDR mailing list<br>
<a href="mailto:PSDR@hamwan.org" target="_blank">PSDR@hamwan.org</a><br>
<a href="http://mail.hamwan.net/mailman/listinfo/psdr" rel="noreferrer" target="_blank">http://mail.hamwan.net/mailman<wbr>/listinfo/psdr</a><br>
<br>
</blockquote>
</div>
</div>
<br>
<fieldset class="m_6696628671987742442m_-1031402482523019306mimeAttachmentHeader"></fieldset>
<br>
<pre>______________________________<wbr>_________________
PSDR mailing list
<a class="m_6696628671987742442m_-1031402482523019306moz-txt-link-abbreviated" href="mailto:PSDR@hamwan.org" target="_blank">PSDR@hamwan.org</a>
<a class="m_6696628671987742442m_-1031402482523019306moz-txt-link-freetext" href="http://mail.hamwan.net/mailman/listinfo/psdr" target="_blank">http://mail.hamwan.net/mailman<wbr>/listinfo/psdr</a>
</pre>
</blockquote>
<br>
</div>
<br>
______________________________<wbr>_________________<br>
PSDR mailing list<br>
<a href="mailto:PSDR@hamwan.org" target="_blank">PSDR@hamwan.org</a><br>
<a href="http://mail.hamwan.net/mailman/listinfo/psdr" rel="noreferrer" target="_blank">http://mail.hamwan.net/mailman<wbr>/listinfo/psdr</a><br>
<br>
</blockquote>
</div>
</div>
<br>
<fieldset class="m_6696628671987742442mimeAttachmentHeader"></fieldset>
<br>
<pre>______________________________<wbr>_________________
PSDR mailing list
<a class="m_6696628671987742442moz-txt-link-abbreviated" href="mailto:PSDR@hamwan.org" target="_blank">PSDR@hamwan.org</a>
<a class="m_6696628671987742442moz-txt-link-freetext" href="http://mail.hamwan.net/mailman/listinfo/psdr" target="_blank">http://mail.hamwan.net/<wbr>mailman/listinfo/psdr</a>
</pre>
</blockquote>
<br>
</div></div></div>
<br>______________________________<wbr>_________________<br>
PSDR mailing list<br>
<a href="mailto:PSDR@hamwan.org">PSDR@hamwan.org</a><br>
<a href="http://mail.hamwan.net/mailman/listinfo/psdr" rel="noreferrer" target="_blank">http://mail.hamwan.net/<wbr>mailman/listinfo/psdr</a><br>
<br></blockquote></div><br></div>