HiCal 2: An instrument designed for calibration of the ANITA experiment and for Antarctic surface reflectivity measurements

  • S. Prohira
  • , A. Novikov
  • , D. Z. Besson
  • , K. Ratzlaff
  • , J. Stockham
  • , M. Stockham
  • , J. M. Clem
  • , R. Young
  • , P. W. Gorham
  • , P. Allison
  • , O. Banerjee
  • , L. Batten
  • , J. J. Beatty
  • , K. Belov
  • , W. R. Binns
  • , V. Bugaev
  • , P. Cao
  • , C. Chen
  • , P. Chen
  • , A. Connolly
  • L. Cremonesi, B. Dailey, C. Deaconu, P. F. Dowkontt, B. D. Fox, J. Gordon, C. Hast, B. Hill, R. Hupe, M. H. Israel, J. Kowalski, J. Lam, J. G. Learned, K. M. Liewer, T. C. Liu, A. Ludwig, S. Matsuno, C. Miki, M. Mottram, K. Mulrey, J. Nam, R. J. Nichol, E. Oberla, B. F. Rauch, J. Roberts, A. Romero-Wolf, B. Rotter, J. Russell, D. Saltzberg, H. Schoorlemmer, D. Seckel, S. Stafford, B. Strutt, K. Tatem, G. S. Varner, A. G. Vieregg, S. A. Wissel, F. Wu

Research output: Contribution to journalArticlepeer-review

Abstract

The NASA supported High-Altitude Calibration (HiCal)-2 instrument flew as a companion balloon to the ANITA-4 experiment in December 2016. Based on a high-voltage (HV) discharge pulser producing radio-frequency (RF) calibration pulses, HiCal-2 comprised two payloads, which flew for a combined 18 days, covering 1.5 revolutions of the Antarctic continent. ANITA-4 captured over 10,000 pulses from HiCal-2, both direct and reflected from the surface, at distances varying from 100–700 km, providing a large dataset for surface reflectivity measurements. Herein we present details on the design, construction and performance of HiCal-2.

Keywords

  • Antarctica
  • High-voltage
  • Ice properties
  • Pulse
  • Pulser
  • Radio

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