For the current incarnation after the Sirius/XM merger formerly known as Flight 26, see The Pulse (Sirius XM).The Pulse was a Sirius Satellite Radio channel that played music "from the '90s and Today" on Sirius Satellite Radio channel 9 and Dish Network channel 6012.The Pulse began on July 1, 2002 as part of the newly launched Sirius lineup, with the same music and format heard on the current Pulse.