Particle detection experiments in the ARAKS program

The French-Soviet ARAKS program involved the emission of electrons from Eridan rockets into the ionosphere and magnetosphere over the Kerguelen Islands during January and February 1975. Particle detectors are mounted on the rocket to monitor the movement of the electrons in the magnetosphere, the effects of angular and energetic diffusion of electrons, and the retrodiffusion of electrons below the rocket. A description is given of the different detectors used: electron spectrometers, current-functioning large angle detectors, and large angle detectors carried on the ejectable cone. Integration tests and calibration methods are described.