Sirius-XM did not put out a press release that I’ve seen for their radio coverage of the 2011 Open Championship, but here are the coverage times listed on their website:
The Open Championship Live From the United Kingdom
Listen to tee-to-green coverage of the 140th Open Championship from Royal St George’s.
Thu, July 14 & Fri, July 15: 2:30 am – 3:30 pm ET
Sat, July 16 & Sun, July 17: 3:30 am – 3 pm ET