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    Cause of Increasing Line Attenuation?

    This is a discussion on Cause of Increasing Line Attenuation? within the Sky Broadband help forums, part of the Sky Broadband help and support category; I'm sure when I first got adsl my line attenuation was 41db. I've found documents that show it was definitely ...

    1. #1
      BillyHunt's Avatar
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      Question Cause of Increasing Line Attenuation?

      I'm sure when I first got adsl my line attenuation was 41db.
      I've found documents that show it was definitely 43db in Dec 2003.
      It has slowly but surely been increasing to todays 48db, at this rate in a few years I'll be lucky to get broadband at all.

      I'm pretty confident it's nothing in side the house, I've had a faceplate filter on the main socket for a year or two.

      Any thoughts on what could be doing this?


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    3. #2
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      Re: Cause of Increasing Line Attenuation?

      From what ive heard the changes in weather can effect the way the exchange reads your line attenuation, has it been raining where you live?

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      Re: Cause of Increasing Line Attenuation?

      A change from g.dmt - adsl2plus, mixed with a few db fluctuation here or there may account for the change. Post your full stats up.

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      Re: Cause of Increasing Line Attenuation?

      Quote Originally Posted by SOF006 View Post
      From what ive heard the changes in weather can effect the way the exchange reads your line attenuation, has it been raining where you live?
      It's always raining, I live in the UK


      Quote Originally Posted by User05 View Post
      A change from g.dmt - adsl2plus, mixed with a few db fluctuation here or there may account for the change. Post your full stats up.
      Code:
      ADSL Link  	     Downstream  	Upstream
      Connection Speed 	6143 kbps 	796 kbps
      Line Attenuation 	48.0 db 	29.6 db
      Noise Margin     	8.3 db 	        11.0 db
      I know the Noise Margin is a little high but it drops when the street lights come on
      Strange but true

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      Re: Cause of Increasing Line Attenuation?

      well you are on adsl2+ at the moment

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      Re: Cause of Increasing Line Attenuation?

      It is also normal for the noise margin to drop in the evening.

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      Re: Cause of Increasing Line Attenuation?

      Quote Originally Posted by BillyHunt View Post
      Any thoughts on what could be doing this?
      Subsidence


    9. #8
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      Re: Cause of Increasing Line Attenuation?

      Quote Originally Posted by BillyHunt View Post
      It's always raining, I live in the UK
      Yes well so do I but the past few days have been quite nice, I do have to say
      Rain can usually give certain jumps in line attenuation, like when it rains where I live my line attenuation jumps from 49db to 53db or higher depending on how bad the weather is...

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      Re: Cause of Increasing Line Attenuation?

      6144/800 adsl2plus - DLM probably ran and set you on adsl2plus, increasing the attenuation a few dbs. Stats look alright, though.

     

     

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