Milliradians: Ranging example 2 - Guide - UNITAF Force Manual (FM)




Milliradians: Ranging example 2
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Current Version (229 days ago)

Guide
FM/BG-527.V1.02 - Milliradians: Ranging example 2
Guide

Sometimes people are hard to spot or track, making range estimation using body dimensions difficult. At long ranges, smaller objects require a more accurate reading of mrads, which is error-prone. Other larger objects, including identifiable vehicles, lend themselves to the same purpose.

  • A BTR-80 is 2 metres from the ground to the top of the hull, appearing as 4 mrad in our scope:
    • ((Ground to top of BTR hull) * 1000) / (mrad measured) = (range in metres)
    • (2 m * 1000) / 4 mrad = 2000 / 4
    • = 500 metres
A BTR-80, known to be 2 metres high when measured from the ground to the top of its hull

Above: A BTR-80, known to be 2 metres high when measured from the ground to the top of its hull

Published by Maj James on 25/06/2024 at 19:01

Previous Versions

Guide
FM/BG-527.V1.01 - Milliradians: Ranging Example 2
Guide

Sometimes personnel is hard to spot or track, making range estimation using body dimensions difficult. Especially at long ranges, smaller objects require a more accurate reading of mrads, which is error-prone. Other larger objects, including identifiable vehicles, lend themselves to the same purpose.

A BTR-80 is 2 metres from the base of its wheels to the top of the hull, appearing as 4 mrad in our scope:

((BTR wheel to roof) * 1000) / (mrad measured) = (range in metres)

(2 m * 1000) / 4 mrad = 2000 / 4

= 500 metres

A BTR-80, known to be 2 metres high when measured from the ground to the top of its hull

Above: A BTR-80, known to be 2 metres high when measured from the ground to the top of its hull

Published by SFC SkullCollector on 31/03/2024 at 13:38
Guide
FM/BG-527.V1.00 - Milliradians: Ranging Example 2
Guide

Sometimes personnel is hard to spot or track, making range estimation using body dimensions difficult. Especially at long ranges, smaller objects require a more accurate reading of mrads, which is error-prone. Other larger objects, including identifiable vehicles, lend themselves to the same purpose.

A BTR-80 is 2 metres from the base of its wheels to the top of the hull, appearing as 4 mrad in our scope:

((BTR wheel to roof) * 1000) / (mrad measured) = (range in metres)

(2 m * 1000) / 4 mil = 2000 / 4

= 500 metres

A BTR-80, known to be 2 metres high when measured from the ground to the top of its hull

Above: A BTR-80, known to be 2 metres high when measured from the ground to the top of its hull

Published by SFC SkullCollector on 31/03/2024 at 13:33
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