“…It can occur regardless of plasma stability conditions and the emitted wave is broad band, covering the observed frequency range. For different regions of the ionosphere and magnetosphere, the power radiated from different models of the energetic electrons had been computed [4][5][6]8,18,40,[64][65][66] and the results were compared with the observed power for mid and high latitudes. For ready reference we present selected results in figure 1.…”