[HamWAN PSDR] HamWAN PSDR Internet performance

Bart Kus me at bartk.us
Mon Apr 4 13:09:20 PDT 2016


Can you post a traceroute or better yet an mtr 
<https://en.wikipedia.org/wiki/MTR_%28software%29> to show where the 
problem might be?  It's unlikely to be your last hop since that looks 
strong with a high CCQ.

--Bart


On 4/4/2016 1:01 PM, David Giuliani wrote:
> Hi - I’m new to the PSDR, and could use some help getting my HamWAN 
> connection going.  I installed a Poynting + Mikrotik Router Board 
> system on my roof, and configured using the Wiki, no problems.  I’m 
> getting strong signals between my QTH at north Mercer Island and the 
> Capitol Park station:
>
> Connected to ess, CapitolPark-S2/AE7SJ
> nv2
> Signal: -68dBm
> SNR 51dB
> Tx: 16.2Mbps, 96% ccq, 16.2Mbps
> Rx: 16.2Mbps, 96% ccq, 16.2Mbps
>
> However, I get sporadic Internet performance, measured using 
> Speedtest.net <http://speedtest.net>.  Here are a few readings this 
> morning:
>
> *ping    down  up*
> 21ms   3.9      2.8
> 35ms   <0.1  stopped
> 77ms   0.27      0.46
> 42ms   2.0      0.1
>
> I did check my cabling between the radio and the computer by 
> substitution - no change.
>
> Two things:
> 1.  Anybody have any suggestions? What data rate are others of you 
> getting?
> 2.  Is there a place to go to get help on subjects like this?
>
> Thanks,
>
>
> WA6PXX, Mercer Island
>
>
>> On Nov 18, 2015, at 11:31 AM, Bart Kus <me at bartk.us 
>> <mailto:me at bartk.us>> wrote:
>>
>> Thanks to Scott's efforts we have a photo of the SnoDEM side of the 
>> ETiger-SnoDEM link:
>>
>> <2015-11-17 22.24.56.jpg>
>>
>> It looks in good shape, and is roughly aimed at the right direction.  
>> We also know the top gust @ SnoDEM was 60mph, which is well within 
>> the 125mph rating of the gear.  We don't have any data yet on ETiger 
>> physical condition, but we do have a very strange signal report:
>>
>> <graph_image (2).png>
>>
>> It has risen from the dead, all by itself!??  Sure wish we had 24/7 
>> night vision video of just what went down @ ETiger.  It can't be as 
>> boring as water drying out of connectors, since that would take a 
>> long time and not exhibit a sharp spike like that @ 1AM.  Perhaps a 
>> wind gust blew the dish back into position?  But that wouldn't 
>> account for the very slow rise in signal after the sharp spike.  So 
>> confused. Theories welcome.
>>
>> On the QueenAnne-Haystack front, I made a config change to the link 
>> last night to increase power spectral density by reducing the link's 
>> bandwidth to 5MHz.  Whatever has affected that link doesn't seem to 
>> be changing, and the increased PSD is saving the day:
>>
>> <graph_image (3).png>
>>
>> A far cry from the -60dBm we normally run @ 40MHz, but it's better 
>> than a lost link! Using the PTZ cam, this is the shot I can get of 
>> the dish hardware on the Haystack side:
>>
>> <fbhgiehb.png>
>>
>> There is a lot of icing on the cam dome (not water), so it's likely 
>> the dish is iced slightly too.  It doesn't look like any trees fell 
>> on it.  I tried to see if trees fell in its path, but the dome is too 
>> iced up in that direction to tell.  Still waiting to hear about 
>> damage on the Queen Anne side.
>>
>> --Bart
>>
>>
>> On 11/18/2015 7:28 AM, Rob Salsgiver wrote:
>>> Yaaayyy redundancy!
>>> Yaaayyy redundancy!
>>> Yaaayyy redundancy!
>>> Oops…
>>> Yaaayyy redundancy!
>>> Yaaayyy redundancy!
>>> Oops…
>>> Yay!
>>> *From:*PSDR [mailto:psdr-bounces at hamwan.org]*On Behalf Of*Bart Kus
>>> *Sent:*Tuesday, November 17, 2015 9:33 PM
>>> *To:*Puget Sound Data Ring
>>> *Subject:*[HamWAN PSDR] Damage report, Mr.Sulu
>>>
>>> So, we're taking a beating.  This wind+rain storm has caused an 
>>> outage on our QueenAnne<->Haystack link:
>>>
>>> <Mail Attachment.png>
>>>
>>> It's also taken down our ETiger<->SnoDEM link:
>>>
>>> <Mail Attachment.png>
>>>
>>> And the Baldi site has lost power for several short periods 
>>> throughout the day today.  There are generators on-site, but the UPS 
>>> there is dead, so it causes brief outages as power switches over.  
>>> I'm not sure if we're on generators or not @ Baldi right now, but 
>>> it's up at least.
>>>
>>> Now, even though we're taking this beating, I'm pleased to report 
>>> that none of these link failures have caused any parts of the 
>>> network to become disconnected.  We are still routing 100% of 
>>> HamWAN! On the down side, we just burned through all our redundancy, 
>>> and the next link to go down will cause an outage somewhere.
>>>
>>> --Bart
>>>
>>>
>>>
>>> _______________________________________________
>>> PSDR mailing list
>>> PSDR at hamwan.org
>>> http://mail.hamwan.net/mailman/listinfo/psdr
>>
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>
>
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