You can also tie a light colored rope on the tower and stretch it out
on the line. Most of the time I just take a milk jug or some other
light colored object and set it out as far as I can to use as the target.
We use a Starrett angle finder to check the tilt. As mentioned in a
previous post, you can get the tilt from Radio Mobile.
Jim Patient
Cell: 314-565-6863
Desk: 636-692-4200
YIM: jeffcosoho
www.wlan1.com
www.linktechs.net
www.wifimidwest.com
On 10/19/2010 11:37 PM, Tom DeReggi wrote:
Jim that is an excellent point. Its how our climbers did it that we
pay. They draw the direction to point on the ground with spray paint
or something. Then when on the tower, looking down, its pretty easy to
align the feed with the line on the ground. For up down, I've seen
them use levels on the dish, and pre-calculate the downtilt.
Tom DeReggi
RapidDSL & Wireless, Inc
IntAirNet- Fixed Wireless Broadband
----- Original Message -----
*From:* Jim Patient <mailto:[email protected]>
*To:* WISPA General List <mailto:[email protected]>
*Sent:* Tuesday, October 19, 2010 6:00 PM
*Subject:* Re: [WISPA] PtP Dish Alignment
We " hillbilly" them up all the time and most of the time don't
need to go back to tower 1. Every once in a while we might have
to go back and tweak the alignment a little. I use Delorme Topo
USA and a GPS receiver on my laptop. Mark both locations and draw
a line between the towers. Zoom in and start walking directly
away from the tower in the direction of the link and keep the
little arrow thingy on the line. I go out a few hundred feet,
make sure I'm on the line and drop a direction target to shoot at.
Jim Patient
Cell: 314-565-6863
Desk: 636-692-4200
YIM: jeffcosoho
www.wlan1.com
www.linktechs.net
www.wifimidwest.com
On 10/19/2010 10:16 AM, Mark Nash wrote:
Question: What tools do you use to blindly put up the first end
of a ptp without having a visual on the other side?
Details:
When deploying ptp dishes... One team doing both ends at
different times.
The first dish must be aligned without a connecting radio at the
other end.
We know how to get uptilt/downtilt/azimuth from Radio Mobile.
Uptilt/downtilt is easy to do with a simple gauge. Azimuth is a
different story. If you can see the site that you're aiming for,
no big deal, but what if you can't?
We have a number of backhaul upgrades to do in the next few
months, and we have alot of fog here in the mornings this time of
year.
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