Looking into the code I'm afraid I need to patch RCHourglass decoder firmware, since it reads all the packets (RC3 and RC4). So the rule to register a transponder, that is 3 equal packages in a row, might not work if Hybrid transponder alternates between RC3 and RC4 packets. Unfortunately I don't have a hybrid transponder (actually I don't have any mylaps transponder) to check it. I'll make the update anyway in the firmware.