Home › Authors › P. E. Schmid 👤 P. E. Schmid 3 books Books by P. E. Schmid Lunar far-side communication s Lunar far-side communication satellites 1968 The feasibility of a direct re The feasibility of a direct relay of Apollo spacecraft data via a communication satellite 1967 Atmospheric tracking errors at Atmospheric tracking errors at s- and c-band frequencies 1966