length=12d
frame = d0G
time = d1G
tprf = d2
lat = d3G
lon = d4G
alt = d5
ve = d6G
vn = d7G 
vu = d8G
hdg = d9G
pitch = d10G
roll = d11G
v = ve vn vu
pos = lat lon alt
orient = hdg pitch roll