heading, pitch, and roll data in harsh or GPS-denied environments. Its solutions are used in defense and targeting systems, antenna positioning, unmanned vehicles, and land and sea surveying, including seismic streamer and ocean floor exploration. Products such as the AHRS-M1 and AHRS-M2 offer micro-sized, low power, fully temperature-compensated modules with adaptive in-field calibration, true north computation, and 360° rollover capability. Sparton Navigation and Exploration also provides embedded NorthTek programming tools that allow users to customize sensor outputs and integrate additional processing into their platforms.