[Leica] Antenna vs. roof

[photo.philippe.amard at gmail.com (Philippe)]

Am I mistaken or Leica Geosystems is a totally different company?

Other than that, hire a guy with drone and ask him/her to record the 
elevation at each point in question :-)

Amities

Philippe



> Le 10 mars 2021 ? 16:20, Frank Filippone via LUG <lug at leica-users.org> 
> a ?crit :
> 
> I agree with the logic that Don uses.  Standard construction gives 
> standard heights.  The question is if the pitch on your roof is 
> substantially different from your neighbor's.
> 
> We are all assuming your house is 2 story, like your neighbor's.  True?
> 
> I do not believe that your sight lines are in the right place.
> First take the picture you drew and start your lines over again.  Use the 
> first floor windows or, better yet,, the top of the front doors to 
> establish your reference line.  Second line is parallel to the first but 
> starts at the top of the antenna mount.
> 
> It might be enlightening to take a picture of your house between your 
> neighbors... 3 houses wide..... Mark your lines as noted above between the 
> 2 other houses.  This would eliminate all the distortions stuff and roof 
> pitch questions.
> 
> Or, as another has suggested... climb up there and get out your Engineer's 
> Transit ( you do have one, right?) and sight it that way.... or use the 
> laser level.
> 
> As you are most likely north of 50 years old, I suggest the safest 
> technique to be re-analysis and a 3 house photo.
> 
> Note: Leica makes Thedolites.  Laser Thedolites.  We are back IN topic.
> 
> https://leica-geosystems.com/en-us/products
> 
> 
> 
> Frank Filippone
> BMWRed735i at Gmail.com
> 
> On 3/9/2021 5:30 PM, Don Dory via LUG wrote:
>> Based on standard construction heights your antennae is below their roof
>> unless your antebellum exceeds ten feet in height.   I would just raise
>> your antenna several feet and you week be good.   You have a low pitch 
>> roof
>> so working from your roof wouldn't be Rio bad.
>> On Tue, Mar 9, 2021, 9:00 PM Peter Klein via LUG <lug at leica-users.org>
>> wrote:
>>> This is sort of off-topic, but does involve photography. Is the top of
>>> my roof tower a bit higher than my neighbor's roof, as it appears to be?
>>> Or does my iPhone 7 camera's distortion or where I stood make the
>>> picture meaningless? This is significant because I'm thinking of putting
>>> up a directional antenna for VHF (ham radio), and having a unobstructed
>>> view of the horizon is very desirable.
>>> <
>>> http://gallery.leica-users.org/v/pklein/temp/IMG_1036RoofAntennas-w.jpg.html
>>>> 
>>> 
>>> If you know of a reasonably easy way to determine this without expensive
>>> surveyor's tools, please tell. ("Brother, can you spare a Theodolite?")
>>> 
>>> Background:  When the roof tower was installed, the house on the left
>>> was a one-story rambler. Now it's a McMansion.
>>> 
>>> --Peter
>>> 
> 
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