International HARM Precision Navigation: Upgrade A GPS/INS Application to Improve Missile Effectiveness and Minimize the Possibility of Fratricide

Thomas Loffler and John Nielson

Abstract:	The High Speed Anti-radiation Missile (HARM) is an air-to surface tactical missile designed to seek and destroy enemy radar-equipped air defense systems. The International HARM Upgrade Project is a trinational missile technology project sponsored by the United States, Italian, and German governments. The goal of the HARM Precision Navigation Upgrade (PNU) program is the development and installation of a PNU into the HARM that will improve the weapon's effectiveness, while nearly eliminating the possibility of fratricide and collateral damage. The precision navigation system consists of Rockwell Collin’s SAASM based Global Positioning System (GPS) receiver, NavStrikeTM and an Inertial Measurement Unit (IMU), consisting of state-of-the-art Fiber Optic Gyros (FOG µFORS-1, Litef) and modern micro-mechanical accelerometers (B-290 Triad, Litef). The HARM PNU missile will be initially integrated on the F/A-18 and the Tornado aircraft.
Published in:	Proceedings of the 14th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 2001) September 11 - 14, 2001 Salt Palace Convention Center Salt Lake City, UT
Pages:	2428 - 2434
Cite this article:	Loffler, Thomas, Nielson, John, "International HARM Precision Navigation: Upgrade A GPS/INS Application to Improve Missile Effectiveness and Minimize the Possibility of Fratricide," Proceedings of the 14th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 2001), Salt Lake City, UT, September 2001, pp. 2428-2434.
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