Between 90 and km altitude the density is somewhat speculative, there being but few measurements available.
Therefore, the qualitative values for the variability of density above 30 km must be considered tentative. Variations of atmospheric density by latitude and seasons made it necessary to develop a family of curves rather than a single profile. Three curves are presented to show the range of density deviation versus altitudes with respect to the ARDC Model Atmosphere.
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For My data book I like to cut these out, laminate them back to back then hole puch the card and place it in my data book. This an 8. Dope Charts and Wind Rose Here is my typical data book page for drop charts with the wind rose on the back.
The first row of the wind columns I usually put my rifle MPH and fill the column for that. See the attachement for the PDF of each of these. Wepaonized Math MOA. Last edited: Jun 30, Reactions: snakedocc , SoCal Shooter , Wabtklr and 66 others.
Aug 8, 1, 1, San Jose, CA. Thanks Jack, feeding an engineers brain in the way it eats! This is very helpful for how I see data and these problems. Sep 17, 2, High Plains. Dumb question - how do you use the Try Dope? Reactions: Ramzes ShtrRdy said:. Click to expand Here is the link to the article on the Math we discussed in the Podcast from Alaska. Sniper's Hide Training is for the serious tactical marksman. Reactions: Jumper , Aceteck , EN and 3 others.
Jack -- thanks for the info. Got it. Reactions: Jack Master. TacticalDillhole Shiner of shoes Supporter. Jun 26, 7, 9, Orlando, FL. Good shit man. Reactions: Jack Master , 1J04 , seansmd and 1 other person. Gunfighter Got Bourbon? Feb 10, Gulf Breeze, FL. Thank you for putting this together.
Already have them printed out to add to my data book. Reactions: Pbgt and Jack Master. LastShot Sergeant Full Member. Feb 20, I always carry with me plastic cards I make out of CB pre-built field charts, including a fully fledged DA chart that is done in a split second. May 19, 79 Hi. Reactions: verdugo Here are some photos of my data book.
Further in the back I have paper for notes or sketching. Field charts for updating data and blank charts to right out charts if I don't have one. I also have a milling chart laminated and instructions to program my Lisa range finder.
DEW said:. Jul 6, 1, 37 Denver, CO. Jack Master said:. View attachment Quest Private Full Member. Sep 16, Brisendines Private Minuteman. Apr 13, 15 3. Saved for next range day. Thank you! Quest said:. Reactions: Quest Reactions: seansmd. Jul 10, 96 63 NW WI. Thank you for this! I will use it and share it with my shooting partners.
StAlda Private Minuteman. May 14, 1 0. StAlda said:. May 23, Missouri www. Great stuff! Reactions: Jrs , Mike and seansmd. Oct 9, 1 0. Not sure if you are talking about the full value wind correction his wind rose or the resultant wind hold?
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