british; it is an acronym for the english words “radio” , written by american specialists raymond and hagertontont scientists successfully developed the theory of radar several years before radar was invented in england. however, the 20th century brought new technologies, miniature, unobtrusive drones. from the air, even the most protected objects, and such weapons worried many countries, advanced states, along with the development of drones, immediately began creating technologies for their detection and destruction. it was constantly characterized by the fact that the number of air attack weapons was constantly increasing, and the use of precision weapons was increasing factor of. based on this, in 2006 we once again came up with this issue and developed a technical specification for the development of a low-altitude multi-station complex. with the development of unmanned aerial vehicles, experts realized that in the future the skies could become a serious vulnerability, a violation of the air. would seem like a harmless prank, which means new detection and tracking systems were needed. analysi