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Calibration of the Logarithmic-Periodic Dipole Antenna (LPDA) Radio Stations using an Octocopter

In a recent calibration campaign at the Pierre Auger Observatory, the directional and frequency characteristics of the radio stations equipped with logarithmic periodic dipole antennas (LPDAs) have been determined using a remotely piloted octocopter.

50 year-old mystery has been solved

Ever since the existence of cosmic rays with individual energies of several Joules was established in the 1960s, speculation has raged as to whether cosmic particles of mean energy of 2 Joules are created in our Milky Way or in distant extragalactic objects.

Spectral Calibration of the Fluorescence Telescopes of the Pierre Auger Observatory


To estimate the energy of any cosmic ray event detected by the Pierre Auger Observatory, the detectors have to be calibrated.

»Oh-my-God«-partiklen – July 28, 2017

Are you interested in brushing up your Danish? Read a feature article on the Pierre Auger Observatory.

Combined fit of spectrum and composition data as measured by the Pierre Auger Observatory


The Pierre Auger Collaboration has investigated the constraining power of the cosmic ray spectrum and composition measurements with respect to the properties of the possible sources.

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