A March 2 report on CNN‘s Web site quotes Sirius Satellite Radio Mel Karmazin as saying, at a Bear Stearns media conference that day, that the company is considering a rate hike for its satellite radio service. He said the boost in XM Satellite Radio‘s subscriber fees to an identical rate that Sirius charges gives Sirius the advantage in head-to-head competition, but added there is plenty of room for both companies to operate.