Topographische Karte 1 : 25 000 - Ausgabe Staat (1981-1989) N-33-135-D-a Sperenberg

The topographical maps, referred to as the issuing State (AS), were primarily for military purposes and carried the classification level of Confidential classified information. In scale 1: There were 25,000 output variants: TK=topographic maps and TSP=topographic city maps.该类以发行国（AS）为标识的地形图，主要应用于军事场景，保密等级为机密（Confidential）。在1:比例尺规格下，共包含25000种输出变体：TK即地形图（topographic maps），TSP即城市地形图（topographic city maps）。