Preparation of data for movement in azimuths, selection of landmarks and refinement of routes, measurement of the directional angle on the map and its translation into magnetic azimuth.

The essence of movement in azimuths is the ability to maintain the desired direction with the help of a compass and precisely exit to the intended point. This method is indispensable when driving in unfamiliar areas, in the mountains, in the forest, in the desert, and especially at night and in other conditions of limited visibility.. 

Preparation of data for movement in azimuths, selection of landmarks and refinement of routes, measurement of the directional angle on the map and its translation into magnetic azimuth.

Ability to move in azimuth in conditions of hostilities is especially necessary. On azimuths they go to reconnaissance and return from it. The direction of attack, attack is maintained. Troops marches on various terrain.

How are data prepared for azimuth movement and what are they? Preparation of a data map for azimuth movement consists in studying and refining the route of movement, choosing landmarks along it, especially at the turning points. In determining the magnetic azimuths and distances for each section of the path – from one landmark to another. And finally, in the design of this data so that it is convenient to use on the road.

Selection of landmarks and specification of routes for movement in azimuths.

Selection of landmarks and refinement of routes is made on the map. The number of landmarks and the choice of the route of movement are determined depending on the nature of the terrain, tasks and conditions of the upcoming movement.

The main thing is to choose a route that would provide quick access to the appointed point (object). Therefore, it is desirable that it does not have unnecessary turns, pass through the areas most convenient for movement, and if possible avoid obstacles on the ground.

Selected landmarks are connected by straight lines. If they do not intersect the lines of the grid on the chart, they must be continued until they intersect so that it is easier to determine the directional angles. After that, on the map for each section of the route determine the directional angle. Then, introducing a correction of direction, translate it into a magnetic azimuth, which is recorded on the map against the corresponding section of the route.

Measuring the directional angle on the map and translating it into magnetic azimuth.

Directional angle is measured clockwise using a protractor or using a compass. It is done like this. Having put the map with the drawn route on the table, they orient it as accurately as possible according to the compass, taking into account the correction of direction. Then, without changing the orientation of the map, apply a compass to the first line of the route so that the North-South direction coincides with the drawn direction of the route. In this case, the North should be directed in the direction of movement.

Preparation of data for movement in azimuths, selection of landmarks and refinement of routes, measurement of the directional angle on the map and its translation into magnetic azimuth.

After the arrow calms down, they take a count along the limb of the compass under its northern end. Subtracting the resulting number from 360 degrees, we obtain the magnetic azimuth of the desired direction. In the same way, the magnetic azimuths of all other sections of the route are determined successively. For our example, in the first section, the magnetic azimuth is 360 340 = 20 degrees, and the azimuth of the second section will be 360 ​​30 = 330 degrees.

Preparation of data for movement in azimuths, selection of landmarks and refinement of routes, measurement of the directional angle on the map and its translation into magnetic azimuth.

Having determined and recorded magnetic azimuths, the length of each section of the route is measured on a map. At the same time, if the movement is made on foot, the meters are converted into pairs of steps or the time required to complete each section is calculated, for example, when skiing.

Preparation of data for movement in azimuths, selection of landmarks and refinement of routes, measurement of the directional angle on the map and its translation into magnetic azimuth.

All these data are drawn up on a cropped topographic map. If there is no map with you on the way, you will definitely make up the most detailed route diagram or text table.

Based on the book “Map and Compass My Friends”.
Klimenko A.I..

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