How to Estimate Range and Wind
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Оглавление
Pseudonym Sniper. How to Estimate Range and Wind
Introduction
Ballistics. The Basics
Terminology
Environmental Factors Influencing Trajectory
Density Altitude
Minutes of Angle (MOA), Milliradians, and Mil Dots. Minutes of Angle:
Milliradians:
Reticles:
Range Estimation
The Football Field Method
The Half Distance Method
The Appearance of Objects Method
The Bracketing Method
Reticle Ranging Methods
Measuring Objects With Reticle:
The Map/Paper Strip Method
The Mildot Master
Laser Range Finders
How to Make the Elevation Adjustments Required for a Specific Range
Hold-overs/Hold-unders
How to Use a Hold-over
Wind Estimation
How Wind Moves
Wind Strength
Wind Values
Weather Meters and Wind Gauges
The Pointing or Drop Method
The Flag Method
The Mirage Method
Vegetation
Multiple Wind Speeds and Directions
Wind Formulas
British Wind Formula
Rule of Nine’s Formula
The Ballistic Coefficient Formula:
6.5mm Formula:
Direct Conversion of Wind Speed to Minutes of Angle (MOA)
How to Use a Hold-off
Final Thoughts…
Ballistic Solvers
Reference List
About the Author
Отрывок из книги
This book has been written to assist Military and Law Enforcement Snipers to not only learn, but to understand and expand their knowledge on the subjects of range estimation and allowing for environmental factors.
However, it is not limited to Military or Law Enforcement personnel, as it is also a great reference item for long range hunting enthusiasts and civilian competition shooters which is why I will use the term "shooter" throughout this book as opposed to sniper or marksman.
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Once you have the Density Altitude figure, you can enter it straight into your Ballistic Software or use a Ballistic table that charts Density Altitude to get your firing solution.
You can also calculate the Density Altitude manually; however, I won't be covering how to do so in this book. The calculation does not take into account humidity, and as such, it is not as accurate as using a Kestrel Weather Gauge to determine the Density Altitude.
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