Originally Posted by D.ID
+1......... I have way more data than I do memory. Too many different rifles and loads so each one gets it's own mini notebook. I have found it to be invaluable to keep records. As far as the ten shot string goes: the waist (dead weight) produced if I were to use those is why I do not use a prefab book. That and cost and availability and I think they are kind of silly the way they are all set up so inefficiently. However, It could be useful to someone attempting to overcome recoil fatigue or to a beginner still learning how to make the birds stop chirping.
... or after the EMP when everyone's electronic doo-dads are all fried, or your batteries just 'oops' die.. and that all that data is locked up in a brick...
sometimes 'old school' is worth the trouble!
and it's no trouble at all! Most of us 'geezers' learned to use a pencil instead of our thumbs!!
Whatever works for you, as long as you keep track and have your data when you need it!