In principle, an appropriate method to adequately prepare for the SRC exam. There are a few things that did not like me, therefore only 4 points. This limits the functionality necessary even slightly and affect the learning success is not - only the time needed until the software has been properly understood has thus unnecessarily increased slightly. In particular, it is the fact that the software at some point no longer like the real radio unit responds, but denied any operation. So the user has no chance to correct an erroneous entry in the usual way back through the menu, incorrect operation of the device in the exercises. There should - unless the cpl. Functionality is tracked in the simulation, appear at least one error notice or in the user manual (yes, I have also read this) to find a clue. Overall, however, there are little things - in addition, the software can be really recommended.