Details for #xm

The first and only definition was added on June 25, 2010.

XM Satellite Radio (XM) is one of two satellite radio (SDARS) services in the United States & Canada, operated by Sirius XM Radio. It provides pay-for-service radio, analogous to cable television.~ See http://en.wikipedia.org/wiki/XM_Satellite_Radio

The numbers are accumulated, starting at 0 at the begining of the period.