General Class

What is a possible cause of high voltages that produce RF burns?

What is a possible effect of a resonant ground connection?

Why should soldered joints not be used in lightning protection ground connections?

Which of the following would reduce RF interference caused by common-mode current on an audio cable?

How can the effects of ground loops be minimized?

What could be a symptom caused by a ground loop in your station’s audio connections?

What technique helps to minimize RF “hot spots” in an amateur station?

Why must all metal enclosures of station equipment be grounded?

What is the purpose of a speech processor in a transceiver?

How does a speech processor affect a single sideband phone signal?

What is the effect of an incorrectly adjusted speech processor?

What does an S meter measure?

How does a signal that reads 20 dB over S9 compare to one that reads S9 on a receiver, assuming a properly calibrated S meter?

How much change in signal strength is typically represented by one S unit?

How much must the power output of a transmitter be raised to change the S meter reading on a distant receiver from S8 to S9?

What frequency range is occupied by a 3 kHz LSB signal when the displayed carrier frequency is set to 7.178 MHz?

What frequency range is occupied by a 3 kHz USB signal with the displayed carrier frequency set to 14.347 MHz?

How close to the lower edge of a band’s phone segment should your displayed carrier frequency be when using 3 kHz wide LSB?

How close to the upper edge of a band’s phone segment should your displayed carrier frequency be when using 3 kHz wide USB?

What is the purpose of a capacitance hat on a mobile antenna?