Блок 7.543(1); Трансформатор 3ВТ-2ТВ-2 ” The avionics spare part for the “Groza” radar system is a critical component, comprising Box No. 35 and Block 7.543(1) with Transformer 3VT-2TV-2. Designed for advanced radar operations, this part ensures precise signal processing and transmission, enhancing the system’s efficiency and performance in detecting and tracking targets with accuracy.