[time-nuts] GPS antenna in attic?
Scott McGrath
scmcgrath at gmail.com
Mon Nov 26 18:52:26 UTC 2012
They are no harder than a chimney to keep leakproof unless they are flush in which case everything said is true. You need structure and a leakproof membrane and proper flashing to redirect water
Sent from my iPhone
On Nov 26, 2012, at 10:38 AM, "J. Forster" <jfor at quikus.com> wrote:
> I considered that about 5 years ago when I reroofed. The roofing
> contracctor told me that anything like a skylight is very, very hard to
> make and keep leakproof. You really, really don't want a leaky roof.
>
> -John
>
> =================
>
>> Or install a frosted dome type skylight as a radome lights the attic and
>> allows for better reception
>>
>> Sent from my iPhone
>>
>> On Nov 25, 2012, at 10:15 PM, "J. Forster" <jfor at quikus.com> wrote:
>>
>>> There are ways to do it w/o drilling holes. Most all houses have vent
>>> stacks for the plumbing, typically 3 or 4 inch cast iron or thick
>>> plastic.
>>>
>>> You can clamp a couple of feet of pipe onto one of those and run the
>>> wire
>>> to under an eve or through a gable end, adding a drip loop of course.
>>>
>>> But, if it were my house and I just wanted to discipline my local
>>> standard, I'd try the attic first. Among other things, you can get to
>>> the
>>> antenna w/o climbing on the roof!
>>>
>>> New England is not sunny CA.
>>>
>>> -John
>>>
>>> ================
>>>
>>>
>>>
>>>> On Sun, Nov 25, 2012 at 8:50 AM, Peter Gottlieb <nerd at verizon.net>
>>>> wrote:
>>>>
>>>>> I'm beginning to set up in my new house and planning where all my
>>>>> various
>>>>> antennas are going to go. Being a wood frame building, I was
>>>>> wondering
>>>>> if
>>>>> it was sufficient to simply mount my Thunderbolt GPS antenna high in
>>>>> the
>>>>> attic.
>>>>
>>>>
>>>> It will work but it will be far from optimal. All you need to do is
>>>> get a
>>>> big drill bit and drill through the roof and put up an iron galvanized
>>>> pipe. Put a pipe flange on the end and bolt the GPS antenna to that.
>>>> You
>>>> will need some metal flashing and roofing tar and then you will have a
>>>> first class setup. You run the coax down the pipe. The timing
>>>> antennas
>>>> are pointed on top so snow falls off
>>>>
>>>> Chris Albertson
>>>> Redondo Beach, California
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>>>
>>>
>>>
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>
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