Fig. 5From: MF and HF radar techniques for investigating the dynamics and structure of the 50 to 110 km height region: a reviewRange-time diagram showing the influence of multiple reflections or scattering at E region heights on the received signals for two different pulse repetition periods (after Czechowsky et al. 1983). For the case of total reflection from the E region, the returns would be attenuated by each ground reflection and by any absorption through the D region. This is significant during daytimeBack to article page