No, it is not. Broadcasters is a plural noun for either the companies or the on-air presenters. The possessive form (broadcasters') is used as an adjective.
Country Radio Broadcasters was created in 1969.
Canadian Association of Broadcasters was created in 1926.
National Association of Broadcasters was created in 1922.
Association of Community Access Broadcasters was created in 1981.
The Ionosphere hels AM radio broadcasters by reflecting the signal back to Earth.
World Indigenous Television Broadcasters Network was created in 2008.
World Association of Community Radio Broadcasters was created in 1983.
£50,000
500,000
The National Association of Broadcasters is a group that has members both over the air radio and over the air television that are for-profit organizations.
They're the ones who deliver/announce the news.
It is the ionosphere