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Who must be in physical control of the station apparatus of an amateur station aboard any vessel or craft that is documented or registered in the United States?
What is the permitted mean power of any spurious emission relative to the mean power of the fundamental emission from a station transmitter or external RF amplifier installed after January 1, 2003 and transmitting on a frequency below 30 MHZ?
What is meant by local control?
What class of licensee is authorized to be the control operator of a space station?
What must the VE team do if an examinee scores a passing grade on all examination elements needed for an upgrade or new license?
What privileges are authorized in the U.S. to persons holding an amateur service license granted by the Government of Canada?
What is the orbital period of an Earth satellite?
Which of the following is a common method of transmitting accompanying audio with amateur fast-scan television?
What type of transmission is most often used for a ham radio mesh network?
What is one advantage of using JT65 coding?
How is the timing of JT65 contacts organized?
What is an electromagnetic wave?
What is the approximate maximum range for signals using transequatorial propagation?
What does the value of Bz (B sub Z) represent?
Which of the following is an advantage of using an antenna analyzer compared to an SWR bridge to measure antenna SWR?
If a frequency counter with a specified accuracy of +/- 1.0 ppm reads 146,520,000 Hz, what is the most the actual frequency being measured could differ from the reading?
An SDR receiver is overloaded when input signals exceed what level?
What is the term for unwanted signals generated by the mixing of two or more signals?
How can conducted and radiated noise caused by an automobile alternator be suppressed?
What is the magnitude of the impedance of a series RLC circuit at resonance?
What happens to the phase angle of a reactance when it is converted to a susceptance?
What is a vector?
Which parasitic characteristic increases with conductor length?
What is the name given to an impurity atom that adds holes to a semiconductor crystal structure?
What is one common use for PIN diodes?
What is tri-state logic?
What is the usable frequency range of inductors that use toroidal cores, assuming a correct selection of core material for the frequency being used?
Which of the following is typically used to construct a MMIC-based microwave amplifier?
What is the most common configuration of an optoisolator or optocoupler?
What is a characteristic of a monostable multivibrator?
Why are odd-order rather than even-order intermodulation distortion products of concern in linear power amplifiers?
What is a Jones filter as used as part of an HF receiver IF stage?
Which of the following types of linear voltage regulator places a constant load on the unregulated voltage source?
What circuit is added to an FM transmitter to boost the higher audio frequencies?
What sets the minimum detectable signal level for an SDR in the absence of atmospheric or thermal noise?
What is meant by the term op-amp input offset voltage?
Which of these functions can be performed by a phase-locked loop?
What type of wave does a Fourier analysis show to be made up of sine waves of a given fundamental frequency plus all of its harmonics?
What is meant by deviation ratio?
Which is the name of a digital code where each preceding or following character changes by only one bit?
How does the spread spectrum technique of frequency hopping work?
What is meant by antenna bandwidth?
In the antenna radiation pattern shown in Figure E9-1, what is the front-to-back ratio?
What is a G5RV antenna?
What happens to feed point impedance at the base of a fixed length HF mobile antenna as the frequency of operation is lowered?
What is the name of the matching system that uses a section of transmission line connected in parallel with the feed line at or near the feed point?
Which of the following determines the velocity factor of a transmission line?
What type of coordinate system is used in a Smith chart?
What is the main drawback of a wire-loop antenna for direction finding?
When evaluating a site with multiple transmitters operating at the same time, the operators and licensees of which transmitters are responsible for mitigating over-exposure situations?