[time-nuts] GPS antenna in attic?

[Stan, W1LE]

Or add vent pipe penetrations ~ 1.5" OD PVC pipe and put the GPS antenna 
on top of the pipe.
Allows for vertical position variations. and the soft rubber gland 
allows for changes later.

Had a new roof put on last year and I added 2 each of these plumbing 
vent type roof penetrations.
Also added 6 each passive roof  vents to keep the heat down,
which could also be used for GPS antenna mounting and cable penetration.

Neither roof vents nor the GPS antennas (~ at ridge line) are visible 
from the street.

Stan, W1LE


On 11/26/2012 9:22 AM, Scott McGrath wrote:
> 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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