The cryptogram "Amerikaanse zender waar je iets van leert" (American channel where you learn something) has PBS as its answer. PBS stands for Public Broadcasting Service, a non-profit organization in the United States that broadcasts educational programs and documentaries for viewers of all ages.

Alternative Answer

Some sources also mention HBO as another potential answer to this cryptogram. HBO (Home Box Office) is an American premium cable and streaming service known for high-quality programming, though it's primarily an entertainment network rather than specifically educational.

The most commonly accepted answer for this 3-letter cryptogram puzzle appears to be PBS, which aligns with the educational focus implied by "waar je iets van leert" (where you learn something).