[SG*9151020259*0095*UD,240320,125707,A,52.163743,N,4.480073,E,12.630,216,3,04,60,40,0,50,00000000,4,1,204,16,1015,11785,144,1015,19944,139,1015,18057,137,1015,14162,127,,00]
I know understand that it is the "Watch" protocol. But uncertain on the exact port number.