Morse Code

[Jimmy252]

On many Metro Detroit police and fire frequencies, i hear a morse code signal transmit every half hour or so.... What is this morse code indicating?

[n5ims]

This is the repeater ID in morse code. Helps keep the system legal (or at least used to).

[m297]

Originally Posted by Jimmy252

On many Metro Detroit police and fire frequencies, i hear a morse code signal transmit every half hour or so.... What is this morse code indicating?

It's called an auto identifier