A yagi does not have a narrower beam than a dish. That 24 dbi grid dish
has a beamwidth of about 8 degrees. Yagis will be much wider than that.
Kevin B. Proctor
Customer Service
Internet and International Orders
Electro Comm Distributing Inc
5015 Paris St
Denver CO 90239
USA
Phone: +1-303-371-8182
800-525-0173
FAX: +1-303-371-8158
800-423-8018
[EMAIL PROTECTED]
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Sam
Sent: Monday, October 27, 2003 3:32 PM
To: [EMAIL PROTECTED]
Subject: RE: [smartBridges] Passive Repeaters
Kevin
I have some of those 24 db wire grid antennas I got from your company.
Would those work better than 24 db yagis (or do they even make such a
thing?) I was thinking that perhaps the narrower beam on a yagi might
be
better (though I have honestly never used a yagi before.).
Sevak: The solar panel would be a last resort. I *think* there is a silo
in the middle of this that does have power and might have LOS between
the
two, but I'm not sure. But if I do that, I'm looking at two APPOs
($660.00) and two antennas ($150.00) and giving the silo owner free
internet service ($17.95 per month), all for one customer. So that
wouldn't really be worth it, though I agree that it is the ideal
solution.
Thanks
Sam
On Mon, 27 Oct
2003, Kevin Proctor wrote:
> Sam,
>
> Passive repeaters can work in some instances. The key factor is gain
> and electrical separation. I have done it in the Denver area on a
> microwave video link to get around the Downtown area with a pair of 4'
> solid dishes. It works, but not always.
>
> Here is something to TRY. No guarantees that it will work for you,
but
> it is worth a try. If you were to ask me what the probability was I
> would say it was a very firm and definite maybe.
>
> Use 2 24 dbi grid dishes (19 dbi panels might actually be better due
to
> the signal rejection they offer to the rear.) and separate them
> vertically by at least 5' on the mast. Connect them with as short a
> piece of cable as you can. Use good practice. As in: drip loops, etc,
> but keep the cable as short as you can and make it LMR400 or an
> equivalent or better. Hard-line would be best. Get things aimed up
> using a laptop hooked to each antenna individually via whatever radios
> you need to connect to each end.
>
> Like I said, this works sometimes. Electrical separation so the
> antennas do not cancel each other out and antenna gain are key.
>
> Kevin B. Proctor
> Customer Service
> Internet and International Orders
> Electro Comm Distributing Inc
> 5015 Paris St
> Denver CO 90239
> USA
>
> Phone: +1-303-371-8182
> 800-525-0173
> FAX: +1-303-371-8158
> 800-423-8018
> [EMAIL PROTECTED]
>
>
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Sam
> Sent: Monday, October 27, 2003 2:11 PM
> To: [EMAIL PROTECTED]
> Subject: [smartBridges] Passive Repeaters
>
> Has anyone used a passive repeater before? (I may be calling that the
> wrong thing....it's where you wire two antennas together with just a
> piece
> of LMR-400 to relay or "bounce" signal around a corner, over a hill,
> etc.)
>
> I have a customer that has a hill in between him and my AP.
>
>
> /\
> / \
> AP / \ Customer
>
> The distance from the AP to the top of the hill is about one mile,
clear
>
> line of site. From the top of the hill to my customer is about .5
miles,
>
> clear line of site. There is no electricity out there, no other
> customers
> to be gained by putting up another AP( or APPO to bridge the signal)
so
> this is really the only cost-effective way to do it that I can think
of.
>
> IO was thinking about two yagis on top ot the hill, one pointing at
the
> AP
> and the other at the customer, and then giving the customer a yagi
too.
>
> Will this work?
>
> Thanks
> Sam
>
>
> ----------ANNOUNCEMENT----------
> Don't forget to register for WISPCON IV
> http://www.wispcon.info/us/wispcon-iv/wispcon-iv.htm
>
> The PART-15.ORG smartBridges Discussion List
> To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe
> smartBridges <yournickname>
> To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe
> smartBridges)
> Archives: http://archives.part-15.org
>
> ----------ANNOUNCEMENT----------
> Don't forget to register for WISPCON IV
> http://www.wispcon.info/us/wispcon-iv/wispcon-iv.htm
>
> The PART-15.ORG smartBridges Discussion List
> To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe
smartBridges <yournickname>
> To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe
smartBridges)
> Archives: http://archives.part-15.org
>
----------ANNOUNCEMENT----------
Don't forget to register for WISPCON IV
http://www.wispcon.info/us/wispcon-iv/wispcon-iv.htm
The PART-15.ORG smartBridges Discussion List
To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe
smartBridges <yournickname>
To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe
smartBridges)
Archives: http://archives.part-15.org
----------ANNOUNCEMENT----------
Don't forget to register for WISPCON IV
http://www.wispcon.info/us/wispcon-iv/wispcon-iv.htm
The PART-15.ORG smartBridges Discussion List
To Join: mailto:[EMAIL PROTECTED] (in the body type subscribe smartBridges
<yournickname>
To Remove: mailto:[EMAIL PROTECTED] (in the body type unsubscribe smartBridges)
Archives: http://archives.part-15.org
