Development of drone-borne aerial calibration pulser system for radio observatories of ultra-high energy air showers
July 06, 2021
We present a portable calibration pulser system applied to radio antennas in order to detect ultra-high energy cosmic rays and neutrinos. The system consists of a solid-state high-voltage impulse generator, a digital attenuator, a wide band (150-350 MHz) bi-cone antenna, and a differential GPS. Taking an advantage of light weight of each component (less than $1.4$ kg), we developed an airborne calibration system by attaching them on a commercial drone. This system will be used for TAROGE experiment in high mountains as well as in Antarctica. We will report on its design, construction, performance, and potential applications for future radio experiments.
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