hello Rosauro, I tryed to fond find this data viewer you were using on post http://forum.freeflysystems.com/index.php?threads/crash-someone-with-a-pc-who-can-read-the-data.8984/#post-76139 . I was not able to find this program were you can upload the SYNLog csv files. Coud you help me please ? Thank you so much. Raymont from Switzerland