[HamWAN PSDR] HamWAN PSDR Internet performance

Mon Apr 4 22:42:59 PDT 2016

Thanks for the suggestions today, guys.  I used WinMTR to monitor routes, and ran some speed tests during the day. 5.9GHz link has remained strong at about 50dB SNR aimed at CapitolPark.  Here’s a performance report:

~12 noon: had one recording of 6.5Mbps download - cool!
2pm-3:15pm
	ping 42-55mS
	down: 1.3-1.74 Mbps
	up: 1.45-1.6 Mbps	
3:20: no connection possible
3:23-3:35 similar performance to 2-3:15
4:10: performance faltered, and within a couple minutes the routing adjusted and restored performance.  (Note time in file name)

7:35pm: ping: 53mS, down = 1.06Mbps, up =0.9Mbps = lowest so far today

8:44pm: ping: 86mS, down=0.8Mbps and erratic; up=1.1Mbps

10:22pm: ping=24mS (fast!), down=1.46Mbps, up=2.0Mbps

Note the two “no response” entries, but similar link performance as earlier in the day, plus faster ping.

I hope this helps you guys figure out how the system’s working.  As far as I’m concerned, the 1.5Mbps speeds are find for WINLINK, it’s just the availability reliability that’s concerning.

WA6PXX, Mercer Island

> On Apr 4, 2016, at 1:59 PM, Bart Kus <me at bartk.us> wrote:
> 
> This answer lacks a resolution for David's problem.  Let us come back to you with a better response.
> 
> --Bart
> 
> 
> On 4/4/2016 1:53 PM, Tom Hayward wrote:
>> On Mon, Apr 4, 2016 at 1:01 PM, David Giuliani <David at giuliani.org <mailto:David at giuliani.org>> 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?
>> 
>> Hi David,
>> 
>> Nice to see you have had some success with HamWAN! -68 dBm is a great signal strength and I'm sure many others here envy your clear line-of-sight to a HamWAN site.
>> 
>> I took a look at this and the slow hop between you and the Internet is between our Capitol Park and Queen Anne sites. That link is sub-optimal because it's connected off the sidelobe of a dish that is pointed at the SnoDEM site. It's enough to work, but as you've found it's not the fastest. There's nothing you can do about it.
>> 
>> The way I investigated this is by doing speed tests to each of the hops in your path. You can find the path like this (from your modem):
>> 
>> /tool traceroute use-dns=yes 8.8.8.8
>> 
>> (8.8.8.8 is Google public DNS servers. It's likely to always be up. Feel free to use any other target depending on the nature of your test.)
>> 
>> To run a speed test (this should work to all HamWAN routers--let me know if it doesn't):
>> 
>> /tool bandwidth-test protocol=tcp CapitolPark-S2.hamwan.net <http://capitolpark-s2.hamwan.net/>
>> 
>> This will test speed between your modem and CapitolPark-S2.hamwan.net <http://capitolpark-s2.hamwan.net/>. You can test the other direction by adding direction=transmit to the command.
>> 
>> This is a perfect forum to ask questions like this.
>> 
>> Tom KD7LXL
>> 
>> 
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>> PSDR mailing list
>> PSDR at hamwan.org <mailto:PSDR at hamwan.org>
>> http://mail.hamwan.net/mailman/listinfo/psdr <http://mail.hamwan.net/mailman/listinfo/psdr>
> 
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