Yeah...I agree, weather attenuation really only occurs at 10GHz and up. 
If weather is changing signal quality, then it points to a connection 
that is no longer weather tight.


[email protected] wrote:
> Ok. Weather might be water incursion.  CM9 might be PIGTAIL. You didn't say 
> what mfg antenna so its hard to guess. There is always the alignment thing.
>
> Did you replace the pigtail after the storm damage?
> Sent from my Verizon Wireless BlackBerry
>
> -----Original Message-----
> From: "Mark McElvy" <[email protected]>
> Date: Mon, 26 Oct 2009 14:39:47 
> To: WISPA General List<[email protected]>
> Subject: [WISPA] Link stability
>
> I have a wireless backhaul link that is not as stable as I would like.
> It is a 15.5 mile shot that has been up for 3 years. MT/CM9/32db dish on
> both ends. On a clear day I am only seeing a -83 on each end. All the
> radio equip was replaced April 08 due to lighting, still have the
> original 3ft LMR-400 and antenna. I seem to remember the signal being in
> the -70 range prior to the lightning replacements. 
>
>  
>
> Right now the link is down with random reconnects with a -92 and then it
> will drop again. Weather is misty thick and overcast. I kinda of have a
> twofold question, could the weather be attenuating the signal enough to
> drop the connection? I think yes. Second, could I have a
> weakened/damaged antenna causing the general drop in signal?
>
>  
>
> Mark 
>
>  
>
>
>
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