"Comedy call letters" is not a standard term.
Here's why it might sound familiar and some possible interpretations:
* Comedy radio stations: Radio stations that primarily play comedy formats might be associated with a humorous or lighthearted feel. This could be why you're associating "comedy" with call letters.
* Puns or humorous call letters: Some radio stations have used clever, pun-based call letters for marketing purposes. These could be considered "comedy" in a way, but not a formal category.
* Fictional references: You might have encountered this term in a fictional context, like a TV show or movie, where it was used as a joke.
To understand the term better, please provide more context:
* Where did you encounter this term?
* What was the situation or context?
With more information, I can help you understand the meaning behind "comedy call letters."