''Dynon is a leader in designing and manufacturing MEMS-based AHRS (Attitude Heading Reference Systems) using calibrated solid state gyros and accelerometers.''

http://www.dynonavionics.com/docs/D1_intro.html

D1 = $1425

''Fully insert the SD card into the D1 until it clicks into place, with the SD Card label facing the back of the D1.''

http://www.dynonavionics.com/docs/support_software_D1.html

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