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<div class="moz-cite-prefix">On 08/09/2013 12:24 PM, Bob - AF6D
wrote:<br>
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<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size:10.0pt;
font-family:Arial">I have finally secured all three
locations for our repeaters
and now it’s time to deploy Allstar. I want each repeater
(MSF 5000) to
first have an Arcom RC-210 to which the Allstar interface
is applied to port 1
or even the auxiliary port. The RC-210 has many valuable
features and is
generally feature-rich. I am old that this cannot be done
especially when
simulcasting; could someone explain why not so that my
mind will drop it? Thank
you. We primarily want the RC-210 so that we may RF link
each site. In the
event of an earthquake down goes all links.<o:p></o:p></span></font></p>
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<p class="MsoNormal"><font face="Arial" size="2"><span
style="font-size:10.0pt;
font-family:Arial">Otherwise, what is my shopping list?<o:p></o:p></span></font></p>
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<br>
Here's one way of looking at it...<br>
<br>
<font size="2"><font face="Arial">If all sites <font size="2">are
able to talk to each other, then I would suggest a</font> link
repeater.<br>
<br>
<font size="2">Each rep<font size="2">eater site has <font
size="2">it's</font> rep<font size="2">eat<font size="2">er
and a link radio<font size="2">.</font><br>
<font size="2">The link radios talk to -one- lin<font
size="2">k rep<font size="2">eater. Meaning,
someone keys up a repeater, the COS logic go<font
size="2">es hi or lo (however conf<font size="2">igured)
and key's the link radio, which transmits to
the link repeater, whi<font size="2">ch all
link radios hear, and key their respective
repeaters.<br>
</font></font></font><br>
<font size="2">At the si<font size="2">te where
the link repeater is, connect an Allstar
node. The allstar connection hits the node,
is shared by all rep<font size="2">eaters o<font
size="2">n the li<font size="2">nk.</font></font></font></font></font></font></font></font></font></font></font></font></font></font><br>
<br>
<font size="2">The link rep<font size="2">eater has to <font
size="2">have no tones<font size="2">, to make it quicker in
response<font size="2">, and no tail, to keep the repeaters
from "ping-pong"'ing for eternity...</font><br>
<br>
<font size="2">What frequency should the link repeater be?
What<font size="2"> band has</font> got the least amount
of usag</font>e<font size="2">, ergo, the least amount of
possible intermod?<br>
<br>
<font size="2">For example:<br>
So, <font size="2">lets say your rep<font size="2">eater
and link repeater and all<font size="2">star node
are on top of Mt. Wilson in So<font size="2">Cal.
You want a shot to the northern valley area, out
to Riverside/San Bernadin<font size="2">o area,
and down I-5 to somewhere between LA and San
Diego</font></font></font></font></font></font></font></font></font></font></font>.
<br>
<br>
That's 5 repeaters and 3 link radios.<br>
The RC-210 has 3 inputs; <br>
Repeater<br>
Link repeater <br>
Allstar URI (Audio in, audio out, COS, PTT & Ground)<br>
<br>
North Repeater<br>
Link radio<br>
|<br>
|<br>
Repeater<br>
Hub ---------------- East Repeater & link Radio<br>
Link Repeater<br>
|<br>
|<br>
South Repeater<br>
Link Radio<br>
<br>
It's up to you as to what frequencies you want to use.<br>
<br>
You might check Radio Mobile Online (<a
href="http://www.cplus.org/rmw/rmonline.html">http://www.cplus.org/rmw/rmonline.html</a>)
and make sure you are meeting your RF signal path requirements.<br>
<br>
That's one way... <br>
<br>
Good luck.<br>
<br>
-Geoff/W5OMR<br>
<br>
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