Bistatic Altimeter Concept

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: FA8651-04-C-0134
Agency Tracking Number: F031-1055
Amount: $749,893.00
Phase: Phase II
Program: SBIR
Awards Year: 2004
Solicitation Year: 2003
Solicitation Topic Code: AF03-138
Solicitation Number: 2003.1
Small Business Information
1200 28th Street, Suite 302, Boulder, CO, 80303
DUNS: 125961123
HUBZone Owned: N
Woman Owned: Y
Socially and Economically Disadvantaged: N
Principal Investigator
 Farzin Lalezari
 (303) 449-5211
Business Contact
 Theresa Boone
Phone: (303) 449-1855
Research Institution
The proposed Bistatic Altimeter concept is intended to provide a low cost solution to improve the accuracy of existing munitions such as the Joint Advanced Standoff Strike Missile (JASSM), Small Diameter Bomb (SDB), and the Joint Direct Attack Munitions (JDAM). For GPS guided munitions, the GPS navigation error can be related to the weapon CEP. Examining the unclassified ORD threshold for the current GPS capability, the horizontal accuracy is 6.3m but the vertical accuracy is 13.6m. It is clear that vertical dilution of precision (VDOP) dominates the GDOP and can result in higher CEP than predicted. The concept exploits radiation from existing national or commercial assets as the transmitter and utilizes a new antenna, algorithms, processor, and receiver to provide precise altitude measurements of the munition. Central to the research and critical to the ultimate success of the program and ultimate implementation, is a system configured for ease of integration into the weapon system. The antenna performance in the installed configuration will be central to success and is an important aspect of the research. The technique also has application to manned aircraft; military, commercial, and private air transportation.

* Information listed above is at the time of submission. *

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