[Carl LaFong]

1690?--isn't that the frequency where fish depth finders operate?

[Gay State Conservative]

1690?--isn't that the frequency where fish depth finders operate?

As Carlin said in his old radio DJ skit..."1690 on your dial,kids..just above the police calls".

[SamAdams76]

I think that's close to the frequency that baby monitors transmit on. Which does make it hard to tell them apart because you hear nothing but fussing and whining on both channels.