Radio News Houston-area AM Gets Power-Down Violation Warning By Adam Jacobson - January 8, 2018 1 Facebook Twitter WhatsApp Linkedin Email What happens if your AM radio station fails to sign off at sunset, as required by its license? Just as JLF Communications LLC. It just got a Notice of Violation for failure to do just that at an AM it owns in the Houston market.Please Login to view this premium content. (Not a member? Join Today!)