NKR is the callsign of an NDB with a range of 50 NM at Leimen-Ochsenbach, Germany, situated at 49°12' 12" N and 8°44'E. NKR, which transmits on the frequency 292 kHz, uses as antenna a 20 metre tall free-standing lattice tower with a weight of 1200 kilogramms, which is insulated against ground. The tower which was built at the 1970s is equipped for its electrical lengthing with a horizontal cross on its top.