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

17 Sep 2020  ·  Prohira S., Novikov A., Besson D. Z., Ratzlaff K., Stockham J., Stockham M., Clem J. M., Young R., Gorham P. W., Allison P., Banerjee O., Batten L., Beatty J. J., Belov K., Binns W. R., Bugaev V., Cao P., Chen C., Chen P., Connolly A., Cremonesi L., Dailey B., Deaconu C., Dowkontt P. F., Fox B. D., Gordon J., Hast C., Hill B., Hupe R., Israel M. H., Kowalski J., Lam J., Learned J. G., Liewer K. M., Liu T. C., Ludwig A., Matsuno S., Miki C., Mottram M., Mulrey K., Nam J., Nichol R. J., Oberla E., Rauch B. F., Roberts J., Romero-Wolf A., Rotter B., Russell J., Saltzberg D., Schoorlemmer H., Seckel D., Stafford S., Strutt B., Tatem K., Varner G. S., Vieregg A. G., Wissel S. A., Wu F. ·

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 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, both direct and reflected from the surface, at distances varying from 100-800 km, providing a large dataset for surface reflectivity measurements. Herein we present details on the design, construction and performance of HiCal-2. read more

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