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
To: WISPA General List
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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