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66 posts

Master Geek

# 22856 10-Jun-2008 15:21
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Considering switching over from IHUG to Orcons new high speed plans.

Im right on the border of Sunnyvale/Henderson, but looks like im covered by the Glen Eden exchange.

Is there anyway to tell how far away from the exchange I I can get some kind of idea if switching over would be worth it??


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55 posts

Master Geek

  # 137048 10-Jun-2008 15:42
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It may seem silly to suggest, but it should help:
Use the new checker facility on the for the vodafone red network. It has an embedded google map which shows the exchange and address, along with a boundary of the exchange coverage

66 posts

Master Geek

  # 137067 10-Jun-2008 16:48
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Hi Thanks, I cant seem to get where the exchange is tho.

I can see the coverage (im in it), but that doesnt help me figure out where the exchange is??



66 posts

Master Geek

  # 137153 10-Jun-2008 20:53
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no luck - seems like Glen Eden isnt listed there..... you'd think this info would be more easily available eh?

49 posts


  # 137163 10-Jun-2008 21:06
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(Edit:opps 0o0 beet me to it!) for locations and links to a map.

This is not a great indication of how far away you are as the cables them selves could take a dogs leg to get to you.

In your modem check what the Line attinuation is. This ranges form 24-64 (correct me if im wrong) 24 giving test results that tell you that you live in the Exchange and 64 being the furthest distence away from the exchange to be able to provide an ADSL signal.

Therefore the higher the attn the further away form the exchange you are.

Hope this helps.

66 posts

Master Geek

  # 137174 10-Jun-2008 21:33
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thanks, my modem is telling me this:
SNR Margin
Line Attenuation
Data Rate
So, 41 down.....that means what...2kms?

3539 posts

Uber Geek


  # 137176 10-Jun-2008 21:37
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callum62: So, 41 down.....that means what...2kms?

41dB / 13.81 = 2.969 KM

Call it 3km and you will be pretty close


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  # 137186 10-Jun-2008 21:46
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callum62: So, 41 down.....that means what...2kms?

41dB / 13.81 = 2.969 KM

Call it 3km and you will be pretty close

Nice calculation there m8, just a quick (noob) question....where does the 13.81 come form ??

Would like to know for my own benifit lol!

66 posts

Master Geek

  # 137189 10-Jun-2008 21:47
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Awesome, im guessing that isnt too bad....not great, but not bad.

with the 3kms distance, will I see much improvement if I change over to adsl2?

Currently deceiding between Vodafone and Orcon....


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  # 137203 10-Jun-2008 22:36
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In theory you should get a speed increase  be it 1MB or 10.

Not to sure on how you would calculate the attenuation to speed ratio for adsl 2 as u need to take into account the noise ratio and the state of the coper cables its connecting with.

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