Circuit Elevation for Jetting

Le Mans             70m
C-en-T             122m
Magny Cours    222m
Nogaro               96m
Pau-Arnos         202m
Le Vigeant         160m
Carole                 73m
Ledenon            175-201m
Dijon Prenois     483m
Pommiers          589m
Grand Vivier      784m

minus 305m should equal an increase in main jet of 5 points
minus 609m should equal an increase in main jet of 10 points (for Mikuni 042 jets)
And of course assuming  constant temperature and humidity.