Connected Autonomous Space Environment Sensors (CASES)

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: FA9550-09-C-0072
Agency Tracking Number: F074-031-0143
Amount: $749,998.00
Phase: Phase II
Program: STTR
Awards Year: 2009
Solicitation Year: 2007
Solicitation Topic Code: AF07-T031
Solicitation Number: N/A
Small Business Information
11118 Quail Pass, San Antonio, TX, 78249
DUNS: 601975803
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Geoff Crowley
 President/Chief Scientist
 (210) 834-3475
Business Contact
 Geoff Crowley
Title: President/Chief Scientist
Phone: (210) 834-3475
Research Institution
 Cornell University
 Paul Kintner
 Dept. Electrical Engineering
302 Rhodes Hall
Ithaca, NY, 14853
 (607) 255-5304
 Nonprofit college or university
This Phase-II proposal addresses Air Force STTR Topic AF07-T031 (Robust, Autonomous, Inexpensive Space Weather Sensors), which was released with the objective to develop robust, autonomous, low-cost sensors to deliver near real-time, three-dimensional space environmental data.  The Air Force requires accurate knowledge of the ionospheric environment in order to understand and predict the ionospheric impacts on vital radio-based systems. One of todays key strategies for the US military is force multiplication through information dominance.  The information dominance comes from accurate, high-resolution knowledge of the space weather environment.  Ionospheric weather includes gradients and irregularities that affect transionospheric UHF and L-band line-of-sight propagation (scintillation) and VHF/HF sky-wave and scatter propagation.  Such disturbances lead to communication and navigation outages with operational impacts on the war fighter.  Our approach to obtaining an actionable ionospheric specification at the theater scale and smaller (including irregularities, scintillation, and gradients) consists of developing an array of novel, inexpensive, highly capable space-weather GPS sensors whose data are  are relayed over a network to a server that invokes assimilation models to invert the data, yielding an ionospheric specification in a form that is usable by the warfighter.  This is the Connected Autonomous Space Environment Sensors (CASES) system. BENEFIT: The Phase-II work proposed here will carry development of the CASES GPS sensor and the complete ionospheric weather specification system to the point where they are readily commercialized.  Specifically, the sensor hardware will advance from the brass-board stage to the advanced prototype stage; the Phase I software will be extended to support robust tracking during scintillation and to generate the ionospheric observables of interest---TEC, amplitude, phase, and scintillation severity parameters---on all channels; a simple Ethernet-based data retrieval network will be developed; and centralized assimilation of the data and generation of a useful ionospheric specification will be demonstrated during deployment of a CASES array in the field. This Phase-II proposal identifies the major challenges to the development of both an enhanced GPS instrument, and an ionospheric weather specification system.  The Phase-II proposal describes a clear path to the production of a commercially available instrument, via hardware and software development, so that the Air Force will have a low-cost, instrument with enhanced capabilities available for operational purposes.  Both the enhanced GPS sensor and the space weather specification system are "dual use" and have multiple commercial applications as described in the proposal. A large commercial market is anticipated.

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

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