"J999w" wrote:

I was parked on the bluff above the Port
Washington, WI harbor on Lake Michigan,
and heard two stations communicating in
what sounded like a digitized or scrambled
mode. I could hear the inflections in
their voices but not understand them.


Yes, digital is on VHF marine. What you may have heard is Digital
Selective Calling (DSC), an automated beacon, or some other similar digital
transmission. Don't worry, since there is little advantage in it at the
moment, digital won't take over marine radio anytime soon.


Dwight Stewart (W5NET)

http://www.qsl.net/w5net/