Announcers need knowledge in the following areas:

• Communications and Media: How to produce written, spoken or visual media.
• English Language: The meaning and use of the English language.
• Computers and Electronics: Computer hardware and software.
• Customer and Personal Service: Providing special services to customers based on their needs.
• Telecommunications: The tools used to send messages and data.
• Geography: How to describe the location, features, and relationships of land, sea, and air.
• Sales and Marketing: The methods for selling products and services.