STEVE HOCKING wrote:
easy way to check output from a nmea device is to connect a led to the the
data wires and it will flash if it is sending data
"luc" wrote in message
oups.com...
thanks for all that folks, it's a great learning experience for me

Luc


I now understand why I can't get my ICOM to work with the Raymarine
core pak. It outputs GLL and not GGA.