DLT
Silver $$ Contributor
I have been using geo ballistics for a little while now for 6 creedmoor. Most if not all days it has been spot on. I decided to upgrade the account so I could add my 223. Shooting a known distance, I entered in all the information down to the letter. Atmospheric conditions, wind, angle, chrono data, sight height, the off sets, and anything else I had data on. It called for 19 moa. I got on target finally at 17 moa. I have had to fudge numbers before to make other apps come out right but this one is way off. Do I fudge the numbers such as bullet bc and velocity to make it work ?