Special event station signing LZ07KM was activated by a group of members of the Bulgarian Federation of Radio Amateurs (BFRA) on all bands and modes between 1 April and 31 December 2006 to commemorate 80th anniversary of the first radio amateur club in Bulgaria. Operators were: LZ1BJ, LZ1PM, LZ1ZF, LZ2HM, LZ3FN, LZ3YY, LZ4BU. Were made more than 15,100 QSOs. QSL preferably via the LZ QSL Bureau to LZ1BJ.