non-directional beacons (NDBs) in Bulgaria :

NDB Bourgas *BU BUL-32
NDB Bozhurishte *BOZ BUL-47
NDB Denya *DWN BUL-33
  NDB Golyama *GOL BUL-35
NDB Gorna *GNA BUL-36
NDB Kamenar *KMN BUL-90
NDB Kavarna DGPS BUL-25
  NDB Lyulyakovo *LKW BUL-65
NDB Plovdiv *PDV BUL-39
  NDB Rousse *R BUL-69
NDB Rousse *RUS BUL-41
  NDB Sofia *SOF BUL-42
NDB Vakarel *WAK BUL-44

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