I vote for the STAR (Hub) network along with Paul. In addition to the reasons
he gave, you would have to have an additional port at each repeater site to
allow you to install two link radios. Also, if one of your repeater sites is
down, the rest of the repeater system is no longer linked beyond the break in
the string.
It is always more reliable to have a Star network rather than a String network
for that reason. Of course, loosing the hub un-links all the systems, but
again, as Paul pointed out, it should be a lot easier to service the hub than
one of your repeaters.
73 - Jim W5ZIT
Paul Plack <[EMAIL PROTECTED]> wrote:
I'd stay with the hub. In the long run, having your most complex site located
in a much more convenient spot, near better infrastructure and less lightning,
is worth at least the cost of a used RLC3.
73,
Paul, AE4KR
----- Original Message -----
From: Rich
To: [email protected]
Sent: Wednesday, January 16, 2008 1:12 PM
Subject: [Repeater-Builder] Linking Several Repeater Sites
Our repeater group has four hilltop 440 MHz repeater sites which are
currently linked via 430 MHz full duplex links through a central hub
site on the ground (low level site - not a hilltop). This has worked
great, but it looks like we are losing our hub location and this has
led to some discussion within the group.
Some of us want to take the hardware at the hub (controller, antennas,
link radios, filters, etc.) and relocate the hub to a new location.
Depending on how far we move, this might entail re-aiming link yagis
on the hilltops but, more than likely, not.
Another group wants to do away with the hub altogether and perform
linking from site to site to site to site. The thought being that it
would free up the RLC3 controller that we use at the hub for other
uses, we wouldn't have to worry about maintaining the hub site, and
would not even have to find a new site. Downside is moving all the
link hardware to the hilltops.
Since there are a lot of "old hands" out here, I thought I'd ask for
opinions. What are the pros and cons of linking multiple sites via a
hub vs. linking point-to-point? What's the "best" method and why?
Thanks, in advance, for your help and opinions.
--
Rich
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