Sound Ranging Protractor Set

A Sound Ranging Protractor Set is a type of equipment used in fire control systems for artillery or mortar units. It is classified under the supply class Miscellaneous Fire Control Equipment, which falls under the supply group Fire Control Equipment.

The Sound Ranging Protractor Set is specifically designed to measure the direction and distance of sound waves produced by enemy artillery or mortar fire. It consists of a protractor, which is a circular measuring instrument with markings for angles, and various accessories such as a sighting device, range finder, and sound detection equipment.

When enemy artillery or mortar fire is detected, the Sound Ranging Protractor Set is used to determine the angle and distance from the sound source to the observer's position. This information is crucial for accurately locating and targeting the enemy artillery or mortar positions.

Overall, the Sound Ranging Protractor Set is an essential tool in fire control systems, enabling artillery or mortar units to effectively counter enemy fire and protect friendly forces.