I do remember this link has the 2 worst dishes I've ever worked with in my
entire life....maybe there's water intrusion...


Josh Luthman
Office: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373

On Mon, Jan 22, 2018 at 2:31 PM, Mathew Howard <mat...@litewire.net> wrote:

> We had one AF-5x link where one chain dropped by 10 or 15db (I don't
> remember exacty... it was awhile ago), and changing the radios and pigtails
> on both ends of the link made no difference. We ended up fixing it by
> replacing one of the dishes.
>
> My best guess was that the feedhorn itself had some water in it (this was
> probably one of our oldest Rocket dishes), but by the time I got it back to
> the shop and dissected it, everything was dry, so I never could prove it.
>
> ------------------------------
> *From:* ubnt_users-boun...@wispa.org [ubnt_users-boun...@wispa.org] on
> behalf of Josh Luthman [j...@imaginenetworksllc.com]
> *Sent:* Monday, January 22, 2018 9:20 AM
> *To:* Ubiquiti Users Group
> *Subject:* Re: [Ubnt_users] AF5x bad signal problems
>
> This is what we did - new radios and jumpers on both sides.  It cleared up
> for a few days and at this point it looks like chain1 is ~10 db lower than
> chain0 (which is back to the 60s).  We'll see what happens after a couple
> of days, it's passing way more bandwidth than what we need so it isn't
> necessary to get that last few bits.
>
>
> Josh Luthman
> Office: 937-552-2340 <(937)%20552-2340>
> Direct: 937-552-2343 <(937)%20552-2343>
> 1100 Wayne St
> Suite 1337
> Troy, OH 45373
>
> On Mon, Jan 22, 2018 at 10:09 AM, Kurt Fankhauser <
> lists.wavel...@gmail.com> wrote:
>
>> swap radios on both ends just to start ruling stuff out....
>>
>> On Sat, Jan 20, 2018 at 10:18 AM, Mitch <mi...@abetterwireless.com>
>> wrote:
>>
>>> This is a similar issue we had with AF5U and never got fixed
>>>
>>> UBNT still says it's thermal???
>>>
>>>
>>>
>>> On 1/19/2018 11:03 PM, RickG wrote:
>>>
>>> True. I'm now dealing with a bunch of my 900MHz towers doing the same
>>> thing :(
>>>
>>> On Fri, Jan 19, 2018 at 5:55 PM, Josh Luthman <
>>> j...@imaginenetworksllc.com> wrote:
>>>
>>>> Really weird that both pig tails have the exact same level of problems,
>>>> though.  Both chains dropped from 60s to 80s to 95+ and the link obviously
>>>> disappeared.  The signals reported on the AirOS interface, I mean.
>>>>
>>>> Spectrum scan still shows -50 to nearby APs and -60 on the BH frequency.
>>>>
>>>>
>>>> Josh Luthman
>>>> Office: 937-552-2340 <(937)%20552-2340>
>>>> Direct: 937-552-2343 <(937)%20552-2343>
>>>> 1100 Wayne St
>>>> Suite 1337
>>>> Troy, OH 45373
>>>>
>>>> On Fri, Jan 19, 2018 at 5:52 PM, RickG <rgunder...@gmail.com> wrote:
>>>>
>>>>> I've had a flurry of bad pigtails lately :(
>>>>>
>>>>> On Fri, Jan 19, 2018 at 5:43 PM, Josh Luthman <
>>>>> j...@imaginenetworksllc.com> wrote:
>>>>>
>>>>>> This came back up...exact same issue.  Definitely not ice today!
>>>>>>
>>>>>> Spectrum scan sees upper and lower bands just fine.  Both sides see
>>>>>> each other at -60ish.  It attempts to register and fail
>>>>>>
>>>>>> Is there any possibility besides bad jumper/radio?
>>>>>>
>>>>>> Josh Luthman
>>>>>> Office: 937-552-2340 <%28937%29%20552-2340>
>>>>>> Direct: 937-552-2343 <%28937%29%20552-2343>
>>>>>> 1100 Wayne St
>>>>>> Suite 1337
>>>>>> Troy, OH 45373
>>>>>>
>>>>>> On Jan 12, 2018 2:29 PM, "Josh Luthman" <j...@imaginenetworksllc.com>
>>>>>> wrote:
>>>>>>
>>>>>>> Well I brought the power down to -60/61 to be nice!  Also higher
>>>>>>> modulation...
>>>>>>>
>>>>>>>
>>>>>>> Josh Luthman
>>>>>>> Office: 937-552-2340 <%28937%29%20552-2340>
>>>>>>> Direct: 937-552-2343 <%28937%29%20552-2343>
>>>>>>> 1100 Wayne St
>>>>>>> Suite 1337
>>>>>>> Troy, OH 45373
>>>>>>>
>>>>>>> On Fri, Jan 12, 2018 at 1:55 PM, Kurt Fankhauser <
>>>>>>> lists.wavel...@gmail.com> wrote:
>>>>>>>
>>>>>>>> sun must have melted the ice off, i have had some links with ice
>>>>>>>> that get affected and some that didn't, very strange sometimes, just 
>>>>>>>> have
>>>>>>>> high link margins is about the only thing you can do.
>>>>>>>>
>>>>>>>> On Fri, Jan 12, 2018 at 12:31 PM, Josh Luthman <
>>>>>>>> j...@imaginenetworksllc.com> wrote:
>>>>>>>>
>>>>>>>>> Right on the money.  Back up to 61 now.
>>>>>>>>>
>>>>>>>>> Josh Luthman
>>>>>>>>> Office: 937-552-2340 <%28937%29%20552-2340>
>>>>>>>>> Direct: 937-552-2343 <%28937%29%20552-2343>
>>>>>>>>> 1100 Wayne St
>>>>>>>>> Suite 1337
>>>>>>>>> Troy, OH 45373
>>>>>>>>>
>>>>>>>>> On Jan 12, 2018 11:40 AM, "Josh Luthman" <
>>>>>>>>> j...@imaginenetworksllc.com> wrote:
>>>>>>>>>
>>>>>>>>>> Well I thought exactly that at first but I do have radomes and
>>>>>>>>>> another north/south link that has 0 change.
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Josh Luthman
>>>>>>>>>> Office: 937-552-2340 <%28937%29%20552-2340>
>>>>>>>>>> Direct: 937-552-2343 <%28937%29%20552-2343>
>>>>>>>>>> 1100 Wayne St
>>>>>>>>>> Suite 1337
>>>>>>>>>> Troy, OH 45373
>>>>>>>>>>
>>>>>>>>>> On Fri, Jan 12, 2018 at 11:39 AM, Kurt Fankhauser <
>>>>>>>>>> lists.wavel...@gmail.com> wrote:
>>>>>>>>>>
>>>>>>>>>>> If you have a backhaul covered in ice i can almost guarantee
>>>>>>>>>>> that the ice is causing your signal being down, seen this a couple 
>>>>>>>>>>> winters
>>>>>>>>>>> ago on an AF5X link with 2 foot dishes, your pretty much screwed 
>>>>>>>>>>> until the
>>>>>>>>>>> ice melts off..
>>>>>>>>>>>
>>>>>>>>>>> On Fri, Jan 12, 2018 at 11:36 AM, Josh Luthman <
>>>>>>>>>>> j...@imaginenetworksllc.com> wrote:
>>>>>>>>>>>
>>>>>>>>>>>> Had a wind/storm and everything come through, wind picked up at
>>>>>>>>>>>> 4am and 4:30-5 we went from 61 db to 70 and a bit later down to 80 
>>>>>>>>>>>> db.
>>>>>>>>>>>> Everything is covered in ice.  BH is 12.5 miles north/south.
>>>>>>>>>>>>
>>>>>>>>>>>> Have another BH 12.5 miles north/south (in line with the af5x)
>>>>>>>>>>>> with no problems.  Ruled out thermal inversion or anything because 
>>>>>>>>>>>> of this.
>>>>>>>>>>>>
>>>>>>>>>>>> Any ideas besides bad jumpers/water or the dish got moved?  It
>>>>>>>>>>>> was only 25 mph winds, which admittedly is pretty faster for here, 
>>>>>>>>>>>> but just
>>>>>>>>>>>> wanted to bounce ideas before climbing.
>>>>>>>>>>>>
>>>>>>>>>>>> Josh Luthman
>>>>>>>>>>>> Office: 937-552-2340 <%28937%29%20552-2340>
>>>>>>>>>>>> Direct: 937-552-2343 <%28937%29%20552-2343>
>>>>>>>>>>>> 1100 Wayne St
>>>>>>>>>>>> Suite 1337
>>>>>>>>>>>> Troy, OH 45373
>>>>>>>>>>>>
>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>> Ubnt_users mailing list
>>>>>>>>>>>> Ubnt_users@wispa.org
>>>>>>>>>>>> http://lists.wispa.org/mailman/listinfo/ubnt_users
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> _______________________________________________
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>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>> _______________________________________________
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>>>>>>>>> http://lists.wispa.org/mailman/listinfo/ubnt_users
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>>>>>>>>>
>>>>>>>>
>>>>>>>> _______________________________________________
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>>>>>>>
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>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> -RickG
>>>>>
>>>>> _______________________________________________
>>>>> Ubnt_users mailing list
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>>>>> http://lists.wispa.org/mailman/listinfo/ubnt_users
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>>>
>>>
>>> --
>>> -RickG
>>>
>>>
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