G4D08:

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

  1. 7.178 to 7.181 MHz
  2. 7.178 to 7.184 MHz
  3. 7.175 to 7.178 MHz
  4. 7.1765 to 7.1795 MHz