[Scan-DC] Odd digital sounds, UHF fed chs

[Eric C. Carlson]

2-second data bursts are usually a sign of LTR Passport.  2 of those
frequencies are reported in this system:
http://www.radioreference.com/apps/db/?sid=3152

-Eric

On Mon, Jan 21, 2013 at 10:46 AM, Alan Henney <alan at henney.com> wrote:

>
> Any clue what this is?
>
> 406.5875
> 408.45
> 409.85
>
> Sound like 2-second digital bursts, sort of a hallow motorboating noise.
>