The phrase "channel lineup" refers to the list or schedule of TV channels that are available for viewing on a particular platform or service. It tells you which channels are included in your TV package. Full definition
Assuming the current channel lineup works for you, there are still a few things to know before you try and sign up. (engadget.com)
Canadians also complained about hidden fees, difficulty navigating the new options and lacklustre channel lineup in the basic cable packages. (moneysense.ca)
One clear advantage Sling TV has over fuboTV is that its baseline package Sling Orange gives you ESPN, ESPN2 and ESPN3 as part of a 30 + channel lineup for $ 20. (cordcuttingreport.com)