The techniques explained in this textbook/handbook allow you to generate quick and accurate antenna, receiver and propagation answers to communications, electronic warfare and reconnaissance system questions like:

INTRODUCTION: Definitions. Assumptions. Scope of the book.

ABOUT dB: Conversion to dB form. Absolute values in dB form. dB forms of equations

SIGNAL TO NOISE RATIO: Noise, SNR. RFSNR. Signal to quantization ratio. Background noise.

THE COMMUNICATION LINK: Information signals. Transmitters. Receivers. Antennas.

THE LINK EQUATION: Spreading loss. Atmospheric loss. Signal strength at various points in the link.

Required margin, sensitivity, transmitter power and antenna gain. Effective range. Interfering

signals. Dynamic range

RECEIVER SENSITIVITY: kTB. Noise figure. Required SNR for all common modulations.

CHALLENGING CONDITIONS: Rain and fog attenuation. Non-line-of-sight transmission. Doppler

effect.

APPENDIXES: Derivations of equations and charts. Quick formulas for antennas, sensitivity and

Dave Adamy has actually used all of the working tools presented in this book . . . during more than 30 years as an engineer and manager involved in the design, manufacture, testing and field support of a wide range of systems and subsystems which either transmit or receive radio signals in environments from submarines to space . . . over frequency ranges from just above DC to just above light. Dave has two engineering degrees and many publications in communications related fields. He is owner of a company which performs communications and related design studies for the government and prime contractors and teaches communications and electronic warfare short courses all over the world.

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