[Weather] Request for information

[R. Scott Runnion]

Some very good observations! Thanks for the advice from experience, Claude.

Claude Felizardo wrote:
> Corey Touchet wrote:
>   
>> I've gone the home built route.  Currently finishing my radiation 
>> shield for the therm and the mast is pretty much complete.  I used a 
>> 1/2" galvanized steel pipe painted white which will be clamped to the 
>> chimney.  I've mounted the anemometer and have modified the rain gauge 
>> to mount on the end of a pipe that screws into a t section.  I just 
>> need to let the paint dry and work out the grounding details.  I've 
>> got 2 grounding rods and I'm thinking of using the one that is not 
>> being used rather than grounding it to my telecom/power ground.
>>
>> Any thoughts on that?
>>
>>
>> I also bought all my parts from hobby-boards, will be getting a baro 
>> here soon once the mast is up.
>>     
>
> test test test before you put it put it up because once it's up, you 
> don't want to have to take it down to fix something.  If possible try to 
> test with as long of a cable as the final in case you have a network 
> length and/or stub problem.  I had a bunch of stubs which I fixed by 
> using a hub (hobby-boards).  It's pretty reliable now though I still 
> have some issues with the barometer (AAG) so it's on a shorter segment 
> in the wiring closet.
>
> You also might want to consider putting something on the RJ connectors 
> to keep moisture out to prevent corrosion.  I broke one of the center 
> pins on my Dallas weather station trying to scrape it clean with a 
> screwdriver.  That was dumb.  Solvent works much better.  Since then I 
> now put a glob of vaseline before I plug things together.  So far I 
> haven't had any more corrosion problems. 
>
> When I eventually added the additional sensors, I had to leave the 
> weather station at the end of the line so the rain gauge and humidity 
> sensor (both AAG) were mounted a few feet from the top.  Now I wish I 
> had left the rain gauge closer to the bottom so I can clean it w/o 
> having to take it all down.  I'm using a 10' galvanized steel pipe 
> clamped to a vent pipe on the roof using four hose clamps grouped two on 
> top and two at bottom for redundancy.
>
> Speaking of which, how often does everyone have to clean their sensors 
> housings?  I'm worried about small insects make their home in the vented 
> radiation shield or blocking the collection drain or even interfering 
> with the tipping bucket mechanism.
>
> claude
>
>
>
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