The effects of street lighting
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The effects of street lighting
06-09-2007 12:51 PM
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Regards .....
Re: The effects of street lighting
06-09-2007 1:29 PM
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Re: The effects of street lighting
07-09-2007 1:16 PM
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Re: The effects of street lighting
07-09-2007 1:31 PM
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Regards .....
Re: The effects of street lighting
07-09-2007 1:45 PM
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Re: The effects of street lighting
07-09-2007 1:57 PM
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Regards .....
Re: The effects of street lighting
08-09-2007 7:45 AM
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I've got a fault with my line where my bb keeps dropping (this is currently being investigated). I have noticed as the day goes on and esperically when it gets towards 9pm at night my connection starts dropping more frequently and the noise margin starts droping. Last night my noise margin was varying between 3db and 9db and I was getting dropped every 3 to 5mins. This morning i've got a pretty steady noise margin (which currently makes a change since the fault started occuring) of 29db and my connection has managed to say up for 35mins.
I live in the country, about a mile away from the exchange, so there are no streetlights. Could be to do with the temperature etc
Re: The effects of street lighting
08-09-2007 8:10 AM
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Re: The effects of street lighting
08-09-2007 12:41 PM
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Quote from: shinglefarm Are you sure its the street lights?
It's too much of a coincidence that when the street lights come on, my noise margin starts to drop and when they go off, my noise margin climbs back up again but .....
Quote I live in the country, about a mile away from the exchange, so there are no streetlights. Could be to do with the temperature etc
..... I live in a city about 2 miles from the exchange, so it's really a case of figuring out what else happens at the same time the street lights come on and go off
Regards .....
Re: The effects of street lighting
08-09-2007 12:48 PM
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Quote from: mgwilliam I am experiencing a problem with a fall in SNR at nightfall which causes the line to drop out. I too am suspicious of streetlights. The SNR is very steady during daylight hours.
My noise margin is also steady during daylight hours.
Quote In my case the phone cable runs underground to a pole which serves a number of houses. Two Cables from this pole run very close to a streetlight and I understand they are not screened. We have Sodium lighting and the on off control is a photo electric cell.
My phone cable runs overhead to the top of the metal telegraph pole in the road and there's a street light approx 20ft away. It's a Sodium light but I haven't a clue about the on/off control.
Regards .....
Re: The effects of street lighting
08-09-2007 2:55 PM
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New lights should comply with EMI emission standards, but the chance is that lamp post has been there for many years, before such things caused any concern.
This is what my S/R ratio looks like;
And the 01:00 to 06:00 drop is consistent, I doubt street lighting in my case.
Chilly
Re: The effects of street lighting
08-09-2007 3:27 PM
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What software do you use to create that, or does it come from your router?
Jeff
Re: The effects of street lighting
08-09-2007 4:31 PM
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`wget` downloads the router status, and `sed` cuts the values out.
I can let you have the scripts. but they are not documented.
Chilly
Re: The effects of street lighting
08-09-2007 8:06 PM
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I know I am going slightly off-topic here, but yes could you please give me the scripts.
Do you want to me to PM you my email?
Jeff
Re: The effects of street lighting
08-09-2007 9:00 PM
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You have shamed me into to publishing them, I had never got round to it before.
http://www.chillypenguin.org/scripts/dg834stats.htm
They are a little bit quick and dirty. But they should help if you know your MRTG.
Chilly
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