"Thanks I will be waiting for the official post. If I have to replace the EM406 with the recommended uBlox then I need to wait for shipping to UAE which take days"

"Elhussein, Thanks for your comment. The code to fix the ArduIMU+EM406 issue was posted on this thread. I have been in touch with Chris Anderson has regarding this so there should be an official fix soon. All the best!"

"Dear hopslink's I appreciate your efforts, Are you able to fix the problem in the code of ArduIMU so that it can works with EM406. In my UAV I am using (AP + Shield V2 + GPS EM406 + ArduIMU). Waiting for your replay Regards, Elhussein"

"Open the arduimu pde code in Adruino, click the arduimu tab, go down few lines you will get (change 1 to 2): // This section contains USER PARAMETERS !!! // //************************************************************ // *** NOTE! Hardware…"

"Dear I joined recently, I am using the same parts as yours (AP board + Shield V2 + ArduIMY + EM406) and I am going through all the details but in the link you have mentioned its for NMEA and not EM406 (#define GPS_PROTOCOL 3)."