Logging in (or registering) will help the system to select questions that you need to focus on.
Which of these precautions should be taken when installing devices for lightning protection in a coaxial cable feed line?
Under what circumstances is it safe to climb a tower without a helper or observer?
How can you make sure your station stays in compliance with RF safety regulations?
What is the FCC Part 97 definition of a beacon?
What is the maximum peak envelope power output for Technician class operators using their assigned portions of the HF bands?
What types of international communications is an FCC-licensed amateur radio station permitted to make?
When may an amateur station transmit without on-the-air identification?
When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an exclusive Amateur Extra class operator segment of the amateur bands?
Who is accountable should a repeater inadvertently retransmit communications that violate the FCC rules?
What brief statement indicates that you are listening on a repeater and looking for a contact?
Which Q signal indicates that you are receiving interference from other stations?
What is meant by the term “check,” in reference to a formal traffic message?
What weather condition would decrease range at microwave frequencies?
How fast does a radio wave travel through free space?
What is generally the best time for long-distance 10 meter band propagation via the F layer?
What is the source of a high-pitched whine that varies with engine speed in a mobile transceiver’s receive audio?
Which of the following would reduce ignition interference to a receiver?
What describes the number of times per second that an alternating current makes a complete cycle?
What is the amount of change, measured in decibels (dB), of a power increase from 20 watts to 200 watts?
What is the unit of frequency?
What formula is used to calculate voltage in a circuit?
Which of the following battery types is rechargeable?
Which of the following electronic components can amplify signals?
What is component 4 in figure T2?
What is the function of component 2 in Figure T1?
What device increases the low-power output from a handheld transceiver?
What is a symptom of RF feedback in a transmitter or transceiver?
What is the primary purpose of a dummy load?
What is the characteristic appearance of a cold solder joint?
What is the typical bandwidth of analog fast-scan TV transmissions on the 70 centimeter band?
What is the impact of using too much effective radiated power on a satellite uplink?
What must be done before you may use the EchoLink system to communicate using a repeater?
What type of transmission is indicated by the term "NTSC?"
What is a beam antenna?
What is the impedance of most coaxial cables used in amateur radio installations?