NDB Söllingen (Baden Airpark, Karlsruhe / Baden Baden) *KBA :

 

in this recording of KBA from 2004 you have GBL Giebelstadt (429 kHz) in the background

 

here a look at the navigation systems placed close to the Baden Airpark airport (rb, 2012)

 

------------------------------------------------------------

 

Callsigns:
KBA

 

Frequencies Morse Telegraphy:
431