Metadata on radio streams

[simoncn]

The Absolute Radio listening URL

http://network.absoluteradio.co.uk/core/audio/mp3/live.pls?service=vrbb

returns a file named live.pls containing the URL

http://mp3-ar-128.timlradio.co.uk/

which is permanently redirected to the URL

http://ais.absoluteradio.co.uk/absoluteradio.mp3?awparams=loggedin:false;

which produces a standard IceCast MP3 stream. I don't see anything obviously wrong with the metadata.

Does this provide any clues?