Impact data book

[Smkngstv]

I have just ordered a impact data book.the problem is I am a beginner at long range.i believe that this will be a helpful tool and am sure the data I collect will become very useful.how do you use one,what will I gain from one,are they easy to understand and enter data,what can I learn from the data,thx

 

[Arkast]

Impact Data Books, Inc. - Modular, Premade, Custom Data/Log Books!

Read those articles and they have more information under "Reference Info" (Instructions probably being your best place to start) on the left toolbar section.
A data book is a rifle's best friend.