Loss of speed on my long line

[#1]

My  speed has been very good (acceptable only) over the festive season (1.2 to 1.5 ) and now is awful ,no good for Skype and i player now Have Plusnet done something to my line ?? since last week ?? and why has my profile gone to .5

1. Best Effort Test:  -provides background information.
Download  Speed
0.39 Mbps

0 Mbps 0.5 Mbps
Max Achievable Speed
Download speedachieved during the test was - 0.39 Mbps
For your connection, the acceptable range of speeds is 0.05 Mbps-0.5 Mbps.
Additional Information:
Your DSL Connection Rate :1.98 Mbps(DOWN-STREAM), 0.45 Mbps(UP-STREAM)
IP Profile for your line is - 0.5 Mbps

[#2]

I assume your router dropped its connection with the exchange, perhaps due a burst of noise on the line, and reconnected at 700-800kbps giving an IP Profile of 500kbps (0.5Mbps). Subsequently the router has been restarted when the noise was not present and synced at 1.98Mbps. This will give an IP Profile of 1.5Mbps, but on 20CN it can take 3-5 days to work its way through the BT and Plusnet systems.
How long is it since your router was restarted?

[#3]

Thank Youi  The router was off over night and restarted this morning ,it was slow and it suggested a faulty filter I disconnected and re -plugged the leads and it fired up as it is now It quite often disconnects and restarts straight away often faster

[#4]

If you have or had some sort of fault, such as a duff filter, giving disconnections as you describe, there may have been a medium-term (ongoing) slowdown of your line.  Do you know how to get the down and up connection speeds, attenuations and noise margins from your router? Those should tell us.

[#5]

Troubleshooting – DSL Diagnostics
General Information
DSLAM: Country: {0x0F} Vendor: {ALCB} Specific: {0x00}
DSL Line (Wire Pair): Line 1 (inner pair)
Downstream Rate Cap: 8128 kbps
Downstream Atten. at 300kHz: 68.7 dB
Uncancelled Echo: -17.3 dB Ok
VCXO Frequency Offset: 27.0 ppm Ok
Final Rx Gain: 34.5 dB Ok
Impulse Noise Comp. Tones: 0 Ok
Excessive Impulse Noise: 0 Ok
Impulse noise protection: 0.70
Delay of latency path: 4.00 ms
Training History
Downstream Upstream
Time Line Rate Max1 Max2 Max3 Mgn1 Mgn2 Attn Pwr CRCs FECs INP DLY Rate Max Mgn Attn Pwr CRCs FECs Mode Vendor State Exit Code Echo VCXO Rx Gain INC Tones
2013/01/06 08:30:24 GMT 1 928 936 528 528 9.4 10.0 68.4 16.4 68 861 0.73 4.00 448 624 11.0 31.5 11.9 23 34 G.DMT Annex A Alcatel 230/105 ERR_LOF_LIMIT 6.9 23.5 34.5 0
2013/01/06 21:20:16 GMT 1 1984 1984 1508 1508 9.0 7.0 68.3 17.2 149 5186 0.70 4.00 448 628 11.0 31.5 11.9 77 282 G.DMT Annex A Alcatel 229/103 N/A -17.3 27.0 34.5 0
Notes:
Time Time of last update
Max1 Max. rate at start of connection
Max2 Current or final estimated max. rate
Max3 Current or final estimated max. rate without INC
Mgn1 Noise margin at start of connection
Mgn2 Current or final noise margin
State Internal training state
Exit Code Cause of retrain
INP Impulse noise protection

[#6]

Thanks seems to be slightly better this morning