маркёрный радиомаяк предназначен для отметки фиксированных точек на местности

Makarov: marker beacon designates fixed points on the ground, marker beacon marks fixed points on the ground, marker designates fixed points on the ground, marker marks fixed points on the ground, the marker beacon designates fixed points on the ground, the marker beacon marks fixed points on the ground, the marker designates fixed points on the ground, the marker marks fixed points on the ground