Second, EGI-M includes a new resilient (non-GPS based) timing capability to aide with aircraft network and subsystem timing requirements. First, EGI-M integrates a new M-Code capable GPS receiver which provides improved performance in various operating environments. “EGI-M will provide three main capabilities at the end of engineering, manufacturing and development. The E-2D’s LN-251 will also be upgraded to the LN-351. Naveen Joshi, director of strategy and business development for Northrop Grumman’s navigation and positioning systems business unit told Avionics International that under the EGI-M contract, the F-22’s inertial navigation system, LN-100, will be upgraded to the LN-300. Northrop Grumman is currently in the midst of a detailed hardware and software design phase for the EGI-M system and expects to complete a critical design review for it by the third quarter of 2020.
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