TY - GEN AU - Thomson, John TI - Radio communication at ultra high frequency U1 - 621.384151,THO PY - 1950/// CY - Methuen & Co Ltd PB - London KW - John Thomson KW - Radio communication at ultra high frequency N1 - Circuits for use at U .H.F. (Page-1), Valves for use at U.H.F. (Page-37), Power Amplifiers Frequency Multipliers and Oscillators (Page-72), Receiver Input Circuits (Page-89), Modulation Techniques (Page-136), Frequency Control (Page-159), Communication Systems (Page-179). ER -