Just as Comcast leapfrogged DirecTV's 3D plans, its claim to the first live HD 3D event has been stolen away by Cablevision, which will broadcast a Rangers/Islanders NHL matchup Wednesday, shown both in a special viewing party in the Theater at Madison Square Garden and on iO TV channel 1300 (if you already have a 3DTV but not Cablevision then keep an eye on your channel guide as, like the Masters broadcast, it may be shared with other networks.) While this is probably just the beginning of another FCC battle over who it will have to share the broadcasts with, MSG is just f
