As an expat worker onsite in the US, your American colleagues will be making small talk about their favorite television shows and movies. Some of these programs will be found on the channels noted below.
Some of the below channels may be broadcasted outside of the US. However, as many channels are not mentioned by their full name but by acronyms, the grid below will help you to identify a few popular channels.
The first three channels are the major American tv networks. ABC, CBS and NBC have local affiliates. The affiliated channels will have a four letter call code, but the symbols seen here will be on the screen at times to let you know which network it is. Watch these local channels at 6am, 6pm and 11pm for the local news to learn about the happenings, weather and sports of your area. (The times noted here are for the EST time zones. Check your local listings for the time of the local news in your US time zone.)
The first three channels are the major American tv networks. ABC, CBS and NBC have local affiliates. The affiliated channels will have a four letter call code, but the symbols seen here will be on the screen at times to let you know which network it is. Watch these local channels at 6am, 6pm and 11pm for the local news to learn about the happenings, weather and sports of your area. (The times noted here are for the EST time zones. Check your local listings for the time of the local news in your US time zone.)
Popular TV Channels in the USA
American Broadcasting Company
ABC is national, withaffiliates

CBS
Columbia Broadcasting Network
CBS is national, with affiliates

NBC
National
Broadcasting Corporation
NBC is national, with affiliates
NBC is national, with affiliates

CNN
Cable News
Network

HBO
Home Box Office

Consumer News & Business Channel

PBS
Public Broadcasting Service

TBS
Turner Broadcasting System

TNT
Turner Broadcasting Network
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ESPN
Entertainment and Sports Programming Network

Related Links:
Understanding the local weather report to improve listening comprehension on local accents and idioms. Check this link for more.