The article based on the study of literature for more than 50 years, given the facts of the first experiments on the use of radiostations to monitor the movement of the enemy. The methodology for conducting signals intelligence and the development of special equipment by belligerents in World War I on the sea and land theaters is analyzed.
wireless telegraphy, navy, radiostation, direction finding, S. Makarov, A. Popov, S. Vavilov, the First World War; Russian (East) front; military operations; radio reconnaissance and eavesdropping
"Analytycheskyi obzor sostoianyia radyorazvedky v nachale KhKh veka y boevoho prymenenyia v pervuiu myrovuiu voinu" [Analytical review of the ESM in the early twentieth century and combat use in world war I],
Systems of Arms and Military Equipment,