Thanks for the feedback. We aren't using dielectric, but do use the butyl / Super88. Both sets of connectors face down, so I would be really surprised if water got in the cables. It baffles me that one connection remains good while the other tanks.

On 3/30/2015 11:13 AM, Chuck Hogg wrote:
I've seen this happen in other frequencies/situations, and it is usually water in the cable. Do you use dielectic grease on the RF side? We started doing that a long time ago and have not had these types of issues since.

Regards,
Chuck

On Mon, Mar 30, 2015 at 11:41 AM, Bill Prince <[email protected] <mailto:[email protected]>> wrote:

    We're using an Alpha omni on PMP450, but 2.4 GHz.  We have not
    seen any significant change in weather other than when trees are
    in the way.

    bp
    <part15sbs{at}gmail{dot}com>


    On 3/30/2015 8:14 AM, Brian Sullivan wrote:

        I deployed a 3.65 Omni antenna attached to a 450AP about 2
        weeks ago.  Two SM's on it that are geographically opposite
        from each other (one faces West, the other East).  Two minor
        rain events have happened since, and each time the West facing
        SM loses >10dB.  A day or two after the first rain event the
        connection cleared up on it's own.  The SM facing East is
        unaffected.
        Under the radome of this Omni, I assume there are four 90
        degree antennas.  Is it possible water is penetrating the omni
        and affecting only one side?




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