I'm going to print this one out and give it to the user.
J
On 12/06/2017 11:20 PM, RickG wrote:
Correct about cordless phones. I had one so leaky that it cut out the
radio every time you made a call!
On Thu, Dec 7, 2017 at 12:12 AM, Brian Webster
<[email protected] <mailto:[email protected]>> wrote:
How about changing the Ethernet cable or re-crimping connectors?
Since this is on 2.4 GHz I would check to see how many Bluetooth
devices they may be using especially speakers and such. That
frequency hops the band and if enough devices are all hopping
around it might be enough to mess with your radio. The hopping
sequences are probably too fast to show up on airview. Other ideas
to check are things like local transmitters on other RF
frequencies. Ham radio operator, business band radio, volunteer
firefighter with a radio? One other possible source could be an
old cordless phone or two, they have been used on both the 900 and
2.4 GHz bands. Locate them all and replace them with DECT 6.0
phones, those are on their own dedicated 1.8 GHz spectrum. Even
one they don’t use in another room will broadcast when the phone
rings. Unless you were there as its ringing you would not see it
on airview either.
Thank You,
Brian Webster
www.wirelessmapping.com <http://www.wirelessmapping.com>
www.Broadband-Mapping.com <http://www.Broadband-Mapping.com>
*From:*[email protected]
<mailto:[email protected]>
[mailto:[email protected]
<mailto:[email protected]>] *On Behalf Of *RickG
*Sent:* Wednesday, December 06, 2017 11:26 PM
*To:* Ubiquiti Users Group
*Subject:* Re: [Ubnt_users] cannot find interference source
Do you have a network monitor that confirms this or is it just
hearsay from the customer? Also, have you checked power?
On Wed, Dec 6, 2017 at 7:35 PM, Jan Van Kort
<[email protected] <mailto:[email protected]>>
wrote:
Tower is in plain view, no obstructions, is set to 2412Mhz, 20Mhz
bw at less than 3 miles away. Tower is a rocketM2 with a
120degree sector antenna am-2g15-120. There are 24 users
connected. Problem first started showing up when there were maybe
5 users over 2 years ago. There is only 1 user with this problem
and there are at least 6 users within easy sight of this 1 user
who have no problems. Problem seems to be specific to this one
location, I suspect it has something to do with pump-motors as
they turn on at random times and there are several in the nearby
area. How do I prove the problem? Anybody know what kind of test
equipment would spot motor and/or power noise? An old black and
white TV used to be pretty useful at picking up un-grounded
motor-noise, I don't have one and we don't have a tv station that
broadcasts something an old-tv would even tune to.
The one-time I saw the problem while I was there and airview
showed nothing useful. Channel 1 and 11 were empty, actually all
the channels were empty when there should have been something. I
don't know what could essentially block signal, which is kind of
what I saw.
On 2017-12-06 01:33 PM, Mitch wrote:
Does this site have Perfectly clear line of site? What is the
tower AP?
If clear line of site and V/H AP try setting the CPE to the
Horizontal and see if that clears it up
This has worked a few times for me
If not you may need to rent an Anritzu and set it to record
for a few days to see what the
interference is
Mitch Koep
218-851-8689 cell
On 12/6/2017 2:39 PM, Jan Van Kort wrote:
I think I've tried everything mentioned at least once. I
moved it to a NSM900 Loco for awhile from a different
tower. I've had NSM2, NSM2Loco, AirGridM2 and AirGridM2HP
and NanoBeamM2, Maybe next try a PowerbeamM2-400? Don't
have an M5 tower near here yet. Client uses an Air-Router
set to channel 6. Everything in large house uses channel
6 to talk to Air-Router. Have changed the Router to
Gateways and even other brands. Always the same
intermittent problem with connecting to internet.
Presently, channel width is 20Mhz (everyone gets this
setting via tower) on channel #1 (2412Mhz) signal is: -59
and using an airgridM2HP. PWDOG set to tower IP 300 seconds.
FYI--I've had this problem for 2 years. Couldn't resolve
it and stopped service. Customer wants our service and
wants problem resolved.
On 2017-12-06 10:57 AM, Troy Gibson, Byhalia.net,LLC wrote:
Two things I've done when experiencing odd issues at
one site that worked for me.
1. Check customer router settings. Reduce channel
width to 20 mhz on both 2.4 and 5 only and set
channels to ones you don't use. I've had some customer
routers blasting at 40 or 80 mhz channel width. Once
I reduced, both my radio stats and their experience
improved. I've had this on multiple customers. Not
sure why default is 80mhz channel width.
2. Redirect the dish to change the signal strength. I
had a similar case and as last resort I made the
signal worse and it worked. Was in mid 50's and moved
to low to mid 60's and issue disappeared. I even
tried turning the power down due to the strong signal
and still didn't work till I moved the dish.
Somebody on here, mentioned during my similar
interferemce issue, that something could be facing
this one dish that is new in the area and the direct
inference is impacting the service. It worked and no
idea what it was picking up.
Hope that helps.
Troy Gibson
Sent from my Verizon, Samsung Galaxy smartphone
-------- Original message --------
From: Jan Van Kort <[email protected]>
<mailto:[email protected]>
Date: 12/6/17 12:58 PM (GMT-05:00)
To: [email protected] <mailto:[email protected]>
Subject: Re: [Ubnt_users] cannot find interference source
It's just the one customer. Neighbors to each side
are just fine. Neighbors are about 1/4 mile away on
same hillside in quasi-rural area. There are no other
WISPs in area, no airFiber that I've found. AirView
shows nothing worth getting excited about when problem
isn't happening, when problem is happening Airview is
not accessible as unit is not responding. Rarely has
problem occurred while I'm on the premises and goes
away before I can zero in on it. I'm suspecting
large pumps, old transformers, bad neutral? How to
prove and stop wasting time and money on one
customer? Pulling hair time!
On 2017-12-06 09:17 AM, Josh Luthman wrote:
Spectrum Analyzer and AirView both show real noise.
You said you changed bands at the customer site,
are there other customers on those APs that are
having issues or is it this one guy?
Josh Luthman
Office: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373
On Wed, Dec 6, 2017 at 12:14 PM, Phil Curnutt
<[email protected] <mailto:[email protected]>>
wrote:
I have on two occasions tried to cross the path of
an AirFiber5 and had the signal completely
blocked. Like Rory said they don't show up on
Site Surveys or noise figures, but are very
apparent in AirView.
Phil
On Wed, Dec 6, 2017 at 9:52 AM, Rory Conaway
<[email protected]
<mailto:[email protected]>> wrote:
Could still be noise. Canopy and AFx equipment
won't show up in the noise figures.
Rory
-----Original Message-----
From: [email protected]
<mailto:[email protected]>
[mailto:[email protected]
<mailto:[email protected]>] On Behalf
Of Jan-OOLLC
Sent: Tuesday, December 05, 2017 11:07 PM
To: Ubiquiti Users Group <[email protected]
<mailto:[email protected]>>
Subject: [Ubnt_users] cannot find interference source
Have a client that is difficult to login to at
times, service for them seems to quit. Has good
signal strength. Have changed the radio to
different models and frequencies and connected to
different towers. It's like some kind of barrier
at random times is erected between house and
tower. Site survey and spectrum analyzer never
show anything remotely definitive as to possible
cause or source of trouble. Could problem be
noisy electrical transformers or well pumps and
what low-cost equipment would I need to find it?
--
J
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--
-RickG
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