|Stp.Gr. Petten XVIb HL, Bpt 55a L 'Elektra-Sonne 5'|
'Elektra-Sonne 5' has been used by the German navy and air force for navigation over long distances. The system contained several big antennas, approximately 100m high, which were used to send and receive signals. The Germans had build several of these stations along the entire European coast line (Atlantikwall).