I use channelmaster 30ft telescopic masts (actually about 27') I use a
foot that bolts to the roof and have a socket for the bottom of the pole
and swivels to allow you stand the mast up. I then guy it to 4" eyebolts
screwed into roof rafters and sealed well with silicone or roof tar.
Works great.
Mark McElvy
-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Tom DeReggi
Sent: Tuesday, October 16, 2007 3:09 PM
To: WISPA General List
Subject: [WISPA] 20ft mast mount
What is the best prduct/method for this isntallation?
1.Must have a Mast that extends 20ft-25ft beyind the peak of the roof.
2. The roof is a Metal pitched roof. Every 18" there is a lip where the
metal sheets overlap, creating a channel vertically for rain to slide
down. The pitch is minimal, almost flat, about 5ft rise from edge to
center
peak, which is about 75ft wide.
3. The backwall to the ground pavement (2 stories) is also a metal,
which has mountable space up top, but loading shop door underneith
along the
first story of wall.
4. Will be mounting a 12" or smaller panel antenna, fed with Coax.
My thought is I'd either use some sort of Tri-pod mount, and fasten
straight down onto the roof Peak, about 5-10ft from the back edge.
Then use 3 Guy
wires spread equally around all sides, such as fasten to peak, and two
to the roof's edges.
Alternatively, I could use M-Mounts to the wall, with up to 10feet of
cantelever leverage below peak, but then I would not be able to put
guy wires equally on three sides. (As there would be nothing to tie
to on
the side over the edge of wall. (Nothing can extend to the ground
because of
Car Traffic entering into the shop from the back.
So what is the best way to mount?
Is there a Tri-pod peak mount designed for 20-25ft and guy wires? Is
there a support rod option that can get rid of the need to have Guy
wires
equally on all side, if used wall M mounts?
Is this just a combination of the standard Rohn Telescoping Mast with
a standard Rohn Tri-pod? Any Best practices for securing Tri-pod down
onto Metal Roof?
If any vendors have a solution for this, please hit me offlist, for
immediate purchase.
PS. in the past, for this type install, I'd mount too wall, extend the
pole down to the ground, with concrete at the base, but not an option
for
this job, to go to ground level.
Thanks.
Tom DeReggi
RapidDSL & Wireless, Inc
IntAirNet- Fixed Wireless Broadband
----- Original Message ----- From: "Dan Ferguson" <[EMAIL PROTECTED]>
To: "WISPA General List" <wireless@wispa.org>
Sent: Monday, October 15, 2007 5:20 PM
Subject: Re: [WISPA] Emergency request for a RB532
Try counter to counter directly at the airline. They call it
goldstreak
here. It's not too expensive here ($50) and they will take it from
counter
to counter at another airport that has a similar service and a
direct flight. They probably have something similar down there that
you can
use.
Just takes the time of the flight plus a few hours. I know Alaska
Airlines
has it but others probably do also.
D. Ryan Spott wrote:
Yeah I did know that.
I did some quick pricing and the cost was more than the 532!
Thanks!
ryan -----Original Message-----
From: [EMAIL PROTECTED]
To: wireless@wispa.org
Sent: 10/15/07 9:38 AM
Subject: Re: [WISPA] Emergency request for a RB532
You do know that most airlines and the UPS/Fedex/DHL companies offer
a
same day service? Not cheap but probably less than a 10+ hour drive
and
its expenses.
Walter
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