That's exactly my point with building an adapter and tap in on the TX line.
Originally Posted by ccsnet
I don't mean an RS232 adapter from the existing plug, that would be more or less useless.
I mean like a T.
Proper GPS software >>>> GNS TMC Reciever
That way you could click a button in (alturion for example) and see what that computer sends to the GPS.
And vice versa, when you figured out all the commands sent to the GPS, tap in on the RX line to check the responses.
"simple" reverse engineering.... it's either that or the SDK.