Range Report data extrapolation?

[biglou13]

if i gave you
bullet weight
bc
come ups for 100 200 300 400 yards
temp humidity barometer

does any one have program/excel sheet that will extrapolate bullet speed fps and come ups for greater distances

 

[Lindy]

Re: data extrapolation?

400 yard dope is too short to be able to calculate velocity very well. Dope for most .308 loads doesn't start to vary much until you get beyond 600 yards.