A preliminary calibration of the new airborne gamma-ray spectrometer survey system of Egypt

Abstract EN

The calibration of any spectrometer could be considered as the principal controlling factor and the most important $tep in carrying out a high-quality radiospectrometric $urvey.

Four Canadian standard concrete calibration pads ه.ل m X ه.لm X3.ه m, weighing approximately 675 kg each, manufactured by Grasty and supplied from the IAEA were used for the preliminary calibration of the new airborne gamma-ray spectrometer survey system ofEgypt.

They comprised a low radioactivity background, a potassium, a uranium, and a thorium pad.

In this work, most of the gamma radiation impacting the sensors is recorded.

A computer program for finding the system stripping ratios and sensitivities was designed.

The computed values were found to be in good agreement with the international ones