The first thing you will notice when you do a search for "rifle data book" is a few hundred different databooks and styles of data logging. Some you pay for, and some you can download for free. I just made my own using waterproof paper. Keep it simple and easy to understand...
Thanks for subscribing and Maple Leaf Up (MLU)
STEEMIT
https://steemit.com/@riflechair
DTUBE
https://d.tube/#!/c/riflechair
To donate to the Riflechair Adventure Channel
https://www.patreon.com/Riflechair
Bitchute
https://www.bitchute.com/channel/rifl...
Facebook
https://www.facebook.com/Riflechair
Vimeo
https://vimeo.com/riflechair
Youtube
https://www.youtube.com/user/Riflechair
Riflechair Links
http://www.riflechair.com/
▶️ DTube
▶️ IPFS