The main character is a young engineer who is trying to create a radar station that can detect enemy aircraft at a distance of 100 km. The plot of the book "Radiolocation" revolves around the creation of radar technology during World War II, specifically the efforts of a young engineer named Alexei to develop a radar station capable of detecting enemy aircraft at a distance of 100 km. The story takes place in the Soviet Union, where the country is fighting for its survival against Nazi Germany. At the beginning of the book, Alexei is working in a small research laboratory, where he is tasked with creating a radar system that can detect enemy aircraft at long distances. He faces numerous challenges, including limited resources, lack of funding, and skepticism from his colleagues. Despite these obstacles, Alexei is determined to succeed and spends countless hours studying and experimenting with different technologies to perfect his design.

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