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Which of the following services are protected from interference by amateur signals under all circumstances?
Which of the bands above 30 MHz that are available to Technician Class operators have mode-restricted sub-bands?
From which of the following locations may an FCC-licensed amateur station transmit, in addition to places where the FCC regulates communications?
On which of the following occasions may an FCC-licensed amateur station exchange messages with a U.S. military station?
Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?
When is an amateur station required to transmit its assigned call sign?
What is the most common repeater frequency offset in the 2 meter band?
Which Q signal indicates that you are changing frequency?
What is the preamble in a formal traffic message?
Why are UHF signals often more effective from inside buildings than VHF signals?
What property of a radio wave is used to describe its polarization?
What causes tropospheric ducting?
Which of the following could you use to cure distorted audio caused by RF current flowing on the shield of a microphone cable?
Which of the following describes the common meaning of the term "repeater offset"?
Which of the following is a good electrical conductor?
If a frequency readout shows a reading of 2425 MHz, what frequency is that in GHz?
How much power is being used in a circuit when the applied voltage is 12 volts DC and the current is 2.5 amperes?
What formula is used to calculate current in a circuit?
Which of the following battery types is rechargeable?
Which of these components can be used as an electronic switch or amplifier?
What is component 3 in figure T3?
Which of the following can be used to display signal strength on a numeric scale?
Which term describes the ability of a receiver to detect the presence of a signal?
Which of the following may be useful in correcting a radio frequency interference problem?
What does an SWR reading of 4:1 indicate?
Which of the following might damage a multimeter?
Which type of voice mode is most often used for long-distance (weak signal) contacts on the VHF and UHF bands?
How much transmitter power should be used on the uplink frequency of an amateur satellite or space station?
What is required in place of on-air station identification when sending signals to a radio control model using amateur frequencies?
Which of the following can be used to transmit CW in the amateur bands?
What is a reason to use a properly mounted 5/8 wavelength antenna for VHF or UHF mobile service?
Which of the following is true of PL-259 type coax connectors?
What is a good way to guard against electrical shock at your station?
What is considered to be a proper grounding method for a tower?
Which of the following frequencies has the lowest value for Maximum Permissible Exposure limit?