Transceivers 3Here you will find our home made SSB/CW transceivers. Georgi Dachev LZ2GL made all of the schematics, PCBs and aluminum constructions for the boxes. Ivan Dachev made the software for microcontrollers and all other tasks around that. SDR-1000 Description Sep 22, 2009 SDR-1000 Schematics May 22, 2009 Old Radio Description Jan 14, 2007