Sky Sports HD 4 launched on the 29th April. It’s available on Sky channel 454.
Hallmark Channel HD and Sky Sports HD 4 will launch on Sky in the coming months. This is in addition to the previously announced ITV1 HD. ITV1 HD will launch on the 2nd April, Sky Sports HD 4 will launch on the 29th April and Hallmark Channel HD will launch on the 28th June.