Study Guide and Reference Material for Commercial Radio Operator Examinations

adjustments aeronautical aircraft radio aircraft station ammeter amperes amplifier stage amplitude amplitude modulation antenna antenna current audio frequency amplifier authorized auto-alarm call sign capacitance carrier frequency carrier wave coast station Commission condenser connected crystal cycles datum detector determined distress call distress message distress traffic Draw a diagram Draw a simple emission entries figures and units flight FM broadcast frequency modulation ICAO indicate inductance installation kilocycles licensed operator loran means meter mobile station modulation ohms operating power operator license oscillator output paragraph percent plate current power supply purpose quency radio communication radio frequency radio operator radio station radio-channel radiotelegraph radiotelephone reactance receiver resistance resistors safety signal schematic diagram showing ship radar ship station simple schematic diagram standard broadcast standard broadcast station station license storage cell superheterodyne receiver telephony tests tion trans transmission triode vacuum tube vessel voltage volts wave