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Another day, and more DSL speed improvement

05/12/08

  07:06:50 am, by The Dreamer   , 169 words  
Categories: AT&T DSL

Another day, and more DSL speed improvement

Since it is still within the 3-5 business days for upgrade order completion, I guess they will continue to slowly inch up my speed and improve my line. Starting to make me really think that I should've gone for the 6.0/768 tier, since it looks like they might even be able to achieve acceptable levels for that.

This morning, the sync speed jumped to 2496/512 (from 1984/512). The latest DMT Spectrum plot gives an estimated downstream of 4044 (with estimated upstream at 818). And, cacti shows a slight improvement in SN margin, with no change in line attenuation.

Perhaps I'll revisit 6.0/768 in a couple of months.

Code

Downstream Maxrate (Estimated): 4044
Upstream Maxrate (Estimated): 818
 
Bit tones with notches/missing bits:
 
bit(s) 38:44       163.875   - 194.0625  KHz
bit(s) 49          211.3125  - 215.625   KHz
bit(s) 59:61       254.4375  - 267.375   KHz
bit(s) 65:69       280.3125  - 301.875   KHz
bit(s) 71          306.1875  - 310.5     KHz
bit(s) 89:92       383.8125  - 401.0625  KHz
bit(s) 100:103     431.25    - 448.5     KHz
bit(s) 106         457.125   - 461.4375  KHz
bit(s) 129         556.3125  - 560.625   KHz
bit(s) 134:136     577.875   - 590.8125  KHz
bit(s) 142         612.375   - 616.6875  KHz
bit(s) 155         668.4375  - 672.75    KHz
bit(s) 162         698.625   - 702.9375  KHz
bit(s) 169:255     728.8125  - 1104      KHz

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Now instead of subjecting some poor random forum to a long rambling thought, I will try to consolidate those things into this blog where they can be more easily ignored profess to be collected thoughts from my mind.

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