Frenzel: Reviewer in Introduction to Satellite Communications

Frenzel: Reviewer in Microwave Techniques

Frenzel: Reviewer in Antennas and Transmission Lines

Frenzel: Reviewer in Multiplexing

Frenzel: Reviewer in Communications Receivers

Frenzel: Reviewer in Radio Transmitters

Frenzel: Reviewer in Frequency Modulation Circuits

Frenzel: Reviewer in Frequency Modulation

Frenzel: Reviewer in Amplitude Modulation Circuits

Frenzel: Reviewer in Amplitude and Single-Sideband Modulation