As part of the larger internet business plan previously announced by Sirius XM Radio, some substantial changes have recently occurred at the Sirius Internet Radio and XM Internet Radio sites.

Several new channels have been added to both XM and Sirius Internet Radio sites while others have been made available on both sites in part of a move designed to further amalgamate the two services.

Many industry observers speculate that the changes have something to do with the imminent release of Sirius XM’s official iPhone App but as of writing this point has received no corporate verification. Click below to read further details regarding the changes.

[Via Orbitcast]