Non Technical Support from Slingshot

After the recent Auckland storm and a 2 day ADSL outage my ADSL line speed has dropped by 1Mbit/s From 4MB/s to 3MB/s. We are rural just north of Albany. I have done the house wiring / master filter checks.

I asked Slingshot technical support to investigate and they lodged a fault with Chorus. This is the reply I received

"Looking into the fault close off notes, I can see that the Chorus technician has advised that the download speeds that your connection is currently physically syncing at of 2-3Mbps is what you are to expect. The technician has advised that as you are over 3 kilometres from the cabinet, these are the expected speeds with which your connection will sync at.

To maximise your wireless connection, you can try cycling through the Wi-Fi channels to find which one offers you the best connection/. I have included instructions on how this can be done below:"

The points are

1) The line speed was faster before the outage (I suspect DLM changing the acceptable noise margin is the cause)

2) Neighbours 300m (line distance) closer to the cabinet are get 7Mbits/sec

3) And giving advice to change the wifi channel _screams_ _shakes head_

Any idea how to proceed ?

Thanks