4.4 Article

Telescope Array Radar (TARA) observatory for Ultra-High Energy Cosmic Rays

Publisher

ELSEVIER SCIENCE BV
DOI: 10.1016/j.nima.2014.08.015

Keywords

Cosmic ray; FPGA; Radar; Digital signal processing; Chirp

Funding

  1. U.S. National Science Foundation [NSF/PHY-0969865, NSF/MRI-1126353]
  2. W.M. Keck Foundation
  3. [NSF/REU-1263394]
  4. Division Of Physics
  5. Direct For Mathematical & Physical Scien [1126353] Funding Source: National Science Foundation

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Construction was completed during summer 2013 on the Telescope Array RAdar (TARA) bi-static radar observatory for Ultra-High Energy Cosmic Rays (UHECR). TARA is co-located with the Telescope Array, the largest conventional cosmic ray detector in the Northern Hemisphere, in radio-quiet Western Utah. TARA employs an 8 MW Effective Radiated Power (ERP) VHF transmitter and smart receiver system based on a 250 MS/s data acquisition system in an effort to detect the scatter of sounding radiation by UHECR-induced atmospheric ionization. TARA seeks to demonstrate bi-static radar as a useful new remote sensing technique for UHECRs. In this report, we describe the design and performance of the TARA transmitter and receiver systems. (C) 2014 Elsevier B.V. All rights reserved.

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