1

$—: Talker identifier

2

VLW: Datagram identifier

3

x.x,N: Water distance, Total cumulative (Nautical miles)

4

y.y,N: Water distance, Since reset (Nautical miles)

5

z.z,N: Ground distance, Total cumulative (Nautical miles)

6

g.g,N: Ground distance, Since reset (Nautical miles)

7

*hh: Checksum