G8A - Signals and Emissions

How is direct binary FSK modulation generated?

What is the name of the process that changes the phase angle of an RF signal to convey information?

What is the name of the process that changes the instantaneous frequency of an RF wave to convey information?

What emission is produced by a reactance modulator connected to a transmitter RF amplifier stage?

What type of modulation varies the instantaneous power level of the RF signal?

Which of the following is characteristic of QPSK31?

Which of the following phone emissions uses the narrowest bandwidth?

Which of the following is an effect of overmodulation?

What type of modulation is used by FT8?

What is meant by the term “flat-topping,” when referring to an amplitude-modulated phone signal?

What is the modulation envelope of an AM signal?

What is QPSK modulation?

What is a link budget?

What is link margin?