From what I understand Sirius uses land repeaters but it seems I can't find anything as to where the locations are. I know with Sprint they have a map of all thier towers I thought maybe Sirius would have somthing. Anyone have a clue?

http://www.siriusbackstage.com/forum/viewtopic.php?t=4089&highlight=repeaters

sirius wont officially say where they are... ditto XM