Geiger tube coincidence counter for lower atmosphere radiosonde measurements

R. G. Harrison, K. A. Nicoll, A. G. Lomas

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Atmospheric profiles of cosmic rays and radioactivity can be obtained using adapted meteorologi- cal radiosondes, for which Geiger tubes remain widely used detectors. Simultaneous triggering of two tubes provides an indication of energetic events. As, however, only small volume detectors can be carried, the event rate is small, which, due to the rapid balloon ascent, cannot be circumvented using long averaging periods. To derive count rates at low altitudes, a microcontroller is used to de- termine the inter-event time. This yields estimates of the coincidence rate below 5 km, where the coincidence rate is too small to determine solely by event counting
Original languageEnglish
Article number076103
JournalReview of Scientific Instruments
Volume84
Issue number7
DOIs
Publication statusPublished - Jul 2013

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