Ionizing radiation hardened detector
During aerial monitoring spectrometric measurements can also find surface activity of radionuclides on the ground. Aerial monitoring is performed from a helicopter flying at an altitude of about 100 m above the ground on a predetermined (waypoint selected) route.
In nominal radiation situations in the Czech Republic, aerial training activities are carried out in selected areas once or twice a year.
Aerial monitoring is one of the methods used in particular in the event of a radiological accident, where fast indicative mapping of radiation levels of the affected area and information distribution of the situation are critical (primary data are collected calculations using propagation models and real weather conditions).
Such monitoring can reduce the exposure of personnel conducting ground monitoring of radiation accidents. Its main disadvantage however, is that it is somewhat dependent on weather conditions.
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