Dahn line From a surface buoy a vertical drop line is positioned alongside underwater pinnacles in depths to 2,500 m. 延绳钓法将主钓鱼线绑上无线电鱼标(浮筒),并主(干)绳以一定间距布放带鱼钩之子绳。
Dahn is a municipality in the Südwestpfalz district, in Rhineland-Palatinate, Germany. It is situated in the Palatinate Forest, approximately 15km southeast of Pirmasens, and 25km west of Landau. It is part of the Verbandsgemeinde ("collective municipality") of Dahner Felsenland.