Beeping, sounds like morse code

Hello,
I had this awhile back and then it stopped and now it is back and it is annoying. I get this constant beeping that sounds like morse code, maybe in has something to do with a nav aid. What is it and how do I make it stop?
Regards,
Rod
I had this awhile back and then it stopped and now it is back and it is annoying. I get this constant beeping that sounds like morse code, maybe in has something to do with a nav aid. What is it and how do I make it stop?
Regards,
Rod