airborne-velocity shows MSG bit 38 for VrSrc, but this should be MSG bit 68.
5-airborne-velocity.tex is updated in master on GitHub, but the change has not propagated to mode-s.org
\textbf{Source bit for vertical rate} & VrSrc & 68 & 36 & 1 \
~~0: GNSS, 1: Barometer &&&&\ \hline