Study Guide and Reference Material for Commercial Radio Operator Examinations

adjusted aircraft ADF ammeter amperes amplitude modulation antenna current audio amplifier call sign capacitance cathode characteristics class C amplifier Commission condenser connected in series coupling crystal crystal oscillator d. c. motor Describe detector determine Draw a diagram Draw a simple effect electrical emission equipment Explain factors filament filter FM broadcast frequency amplifier stage grid bias ICAO inductance installation interference intermediate frequency kc/s or Mc/s kilocycles loran meant meter microphone mobile station modulation ohms operator license oscillator output percent plate circuit plate current power supply polarity principle of operation purpose quency radar radio communications radio frequency amplifier radio operator radio receiver radio station radio-frequency radiotelegraph radiotelephone reactance Regulations relative bearing resistance resistors resonant schematic diagram showing ship radar station showing a method simple schematic diagram standard broadcast station license storage battery superheterodyne receiver tion trans transformer transmission triode tuned United vacuum tube voltage volts watts wave