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9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8A12 [Study] Start [Question]
What is the equivalent to the root-mean-square value of an AC voltage?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8A13 [Study] Start [Question]
What would be the most accurate way of measuring the RMS voltage of a complex waveform?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8A14 [Study] Start [Question]
For many types of voices, what is the approximate ratio of PEP to average power during a modulation peak in a single-sideband phone signal?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8A15 [Study] Start [Question]
In a single-sideband phone signal, what determines the PEP-to-average power ratio?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8A16 [Study] Start [Question]
What is the approximate DC input power to a Class B RF power amplifier stage in an FM-phone transmitter when the PEP output power is 1500 watts?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8A17 [Study] Start [Question]
What is the approximate DC input power to a Class AB RF power amplifier stage in an unmodulated carrier transmitter when the PEP output power is 500 watts?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8A18 [Study] Start [Question]
What is the period of a wave?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8B01 [Study] Start [Question]
What is emission A3C?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8B02 [Study] Start [Question]
What type of emission is produced when an AM transmitter is modulated by a facsimile signal?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8B03 [Study] Start [Question]
What does a facsimile transmission produce?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8B04 [Study] Start [Question]
What is emission F3F?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8B05 [Study] Start [Question]
What type of emission is produced when an SSB transmitter is modulated by a slow-scan television signal?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8B06 [Study] Start [Question]
If the first symbol of an ITU emission designator is J, representing a single- sideband, suppressed-carrier signal, what information about the emission is described?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8B07 [Study] Start [Question]
If the second symbol of an ITU emission designator is 1, representing a single channel containing quantized, or digital information, what information about the emission is described?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8B08 [Study] Start [Question]
If the third symbol of an ITU emission designator is D, representing data transmission, telemetry or telecommand, what information about the emission is described?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8B10 [Study] Start [Question]
How does the modulation index of a phase-modulated emission vary with RF carrier frequency (the modulated frequency)?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8B11 [Study] Start [Question]
In an FM-phone signal having a maximum frequency deviation of 3000 Hz either side of the carrier frequency, what is the modulation index when the modulating frequency is 1000 Hz?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8B12 [Study] Start [Question]
What is the modulation index of an FM-phone transmitter producing a maximum carrier deviation of 6 kHz when modulated with a 2-kHz modulating frequency?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8B13 [Study] Start [Question]
What is the deviation ratio of an FM-phone signal having a maximum frequency swing of plus or minus 5 kHz and accepting a maximum modulation rate of 3 kHz?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8B14 [Study] Start [Question]
In a pulse width-modulation system, why is the transmitter's peak power much greater than its average power?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8B15 [Study] Start [Question]
What is one way that voice is transmitted in a pulse-width modulation system?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8B17 [Study] Start [Question]
Which of the following describe the three most-used symbols of an ITU emission designator?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8B18 [Study] Start [Question]
If the first symbol of an ITU emission designator is G, representing a phase- modulated signal, what information about the emission is described?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8B19 [Study] Start [Question]
In a pulse-position modulation system, what parameter does the modulating signal vary?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8B20 [Study] Start [Question]
In a pulse-width modulation system, what parameter does the modulating signal vary?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8B21 [Study] Start [Question]
How are the pulses of a pulse-modulated signal usually transmitted?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8B22 [Study] Start [Question]
In an FM-phone signal, what is the term for the ratio between the deviation of the frequency modulated signal and the modulating frequency?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8B23 [Study] Start [Question]
What is meant by deviation ratio?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8B24 [Study] Start [Question]
What is the deviation ratio of an FM-phone signal having a maximum frequency swing of plus or minus 7.5 kHz and accepting a maximum modulation rate of 3.5 kHz?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8C01 [Study] Start [Question]
What digital code consists of elements having unequal length?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8C02 [Study] Start [Question]
What are some of the differences between the Baudot digital code and ASCII?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8C03 [Study] Start [Question]
What is one advantage of using the ASCII code for data communications?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8C04 [Study] Start [Question]
What digital communications system is well suited for meteor-scatter Communications at times other than during meteor showers?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8C05 [Study] Start [Question]
What type of error control system does Mode A AMTOR use?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8C06 [Study] Start [Question]
What type of error control system does Mode B AMTOR use?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8C07 [Study] Start [Question]
What is the necessary bandwidth of a 13-WPM international Morse code emission A1A transmission?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8C08 [Study] Start [Question]
What is the necessary bandwidth for a 170-hertz shift, 300-baud ASCII emission J2D transmission?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8C09 [Study] Start [Question]
What is the necessary bandwidth of a 1000-Hz shift, 1200-baud ASCII emission F1D transmission?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8C10 [Study] Start [Question]
What is the necessary bandwidth of a 4800-Hz frequency shift, 9600-baud ASCII emission F1D transmission?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8C11 [Study] Start [Question]
What term describes a wide-bandwidth communications system in which the RF carrier varies according to some predetermined sequence?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8C12 [Study] Start [Question]
What spread-spectrum communications technique alters the center frequency of a conventional carrier many times per second in accordance with a pseudo-random list of channels?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8C13 [Study] Start [Question]
What spread-spectrum communications technique uses a very fast binary bit stream to shift the phase of an RF carrier?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8C14 [Study] Start [Question]
What controls the spreading sequence of an amateur spread-spectrum transmission?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8C15 [Study] Start [Question]
What makes spread-spectrum communications resistant to interference?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8C16 [Study] Start [Question]
What reduces interference from spread-spectrum transmitters to conventional communications in the same band?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8D01 [Study] Start [Question]
What is the term for the amplitude of the maximum positive excursion of a signal as viewed on an oscilloscope?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8D02 [Study] Start [Question]
What is the easiest voltage amplitude dimension to measure by viewing a pure sine wave signal on an oscilloscope?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8D03 [Study] Start [Question]
What is the relationship between the peak-to-peak voltage and the peak voltage amplitude in a symmetrical waveform?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8D04 [Study] Start [Question]
What input-amplitude parameter is valuable in evaluating the signal-handling capability of a Class A amplifier?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8D05 [Study] Start [Question]
What is the PEP output of a transmitter that has a maximum peak of 30 volts to a 50-ohm load as observed on an oscilloscope?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8D06 [Study] Start [Question]
If an RMS reading AC voltmeter reads 65 volts on a sinusoidal waveform, what is the peak-to-peak voltage?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8D07 [Study] Start [Question]
What is the advantage of using a peak-reading voltmeter to monitor the output of a single-sideband transmitter?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8D08 [Study] Start [Question]
What is an electromagnetic wave?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8D09 [Study] Start [Question]
Which of the following best describes electromagnetic waves traveling in free space?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8D10 [Study] Start [Question]
What is meant by circularly polarized electromagnetic waves?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8D11 [Study] Start [Question]
What is the polarization of an electromagnetic wave if its magnetic field is parallel to the surface of the Earth?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8D12 [Study] Start [Question]
What is the polarization of an electromagnetic wave if its magnetic field is perpendicular to the surface of the Earth?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
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9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8D13 [Study] Start [Question]
What is the primary source of noise that can be heard in an HF-band receiver with an antenna connected?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
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9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8D14 [Study] Start [Question]
At approximately what speed do electromagnetic waves travel in free space?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8D15 [Study] Start [Question]
To ensure you do not exceed the maximum allowable power, what kind of meter would you use to monitor the output signal of a properly adjusted single- sideband transmitter?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8D16 [Study] Start [Question]
What is the average power dissipated by a 50-ohm resistive load during one complete RF cycle having a peak voltage of 35 volts?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E8D17 [Study] Start [Question]
If an RMS reading voltmeter reads 34 volts on a sinusoidal waveform, what is the peak voltage?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9A01 [Study] Start [Question]
Which of the following describes an isotropic radiator?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9A02 [Study] Start [Question]
When is it useful to refer to an isotropic radiator?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9A03 [Study] Start [Question]
How much gain does a 1/2-wavelength dipole have over an isotropic radiator?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9A04 [Study] Start [Question]
Which of the following antennas has no gain in any direction?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9A05 [Study] Start [Question]
Which of the following describes the radiation pattern of an isotropic radiator?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9A06 [Study] Start [Question]
Why would one need to know the feed point impedance of an antenna?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9A07 [Study] Start [Question]
What factors determine the radiation resistance of an antenna?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9A08 [Study] Start [Question]
What is the term for the ratio of the radiation resistance of an antenna to the total resistance of the system?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9A09 [Study] Start [Question]
What is included in the total resistance of an antenna system?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9A10 [Study] Start [Question]
What is a folded dipole antenna?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9A11 [Study] Start [Question]
What is meant by antenna gain?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9A12 [Study] Start [Question]
What is meant by antenna bandwidth?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9A13 [Study] Start [Question]
How can the approximate beamwidth of a beam antenna be determined?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9A14 [Study] Start [Question]
How is antenna efficiency calculated?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9A15 [Study] Start [Question]
How can the efficiency of an HF grounded vertical antenna be made comparable to that of a half-wave dipole antenna?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9A16 [Study] Start [Question]
What theoretical reference antenna provides a comparison for antenna measurements?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9A17 [Study] Start [Question]
How much gain does an antenna have over a 1/2-wavelength dipole when it has 6 dB gain over an isotropic radiator?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
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9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9A18 [Study] Start [Question]
How much gain does an antenna have over a 1/2-wavelength dipole when it has 12 dB gain over an isotropic radiator?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
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9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9A19 [Study] Start [Question]
Which of the following describes the directivity of an isotropic radiator?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9A20 [Study] Start [Question]
What is meant by the radiation resistance of an antenna?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9B01 [Study] Start [Question]
What determines the free-space polarization of an antenna?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9B02 [Study] Start [Question]
In the free-space H-Field radiation pattern shown in Figure E9-1, what is the 3- dB beamwidth?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
http://www.hamboozler.com/questions?poolid=3
3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9B03 [Study] Start [Question]
In the free-space H-Field pattern shown in Figure E9-1, what is the front-to- back ratio?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9B04 [Study] Start [Question]
In the free-space H-field pattern shown in Figure E9-1, what is the front-to- side ratio?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9B05 [Study] Start [Question]
What information is needed to accurately evaluate the gain of an antenna?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9B06 [Study] Start [Question]
Which is NOT an important reason to evaluate a gain antenna across the whole frequency band for which it was designed?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
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9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9B07 [Study] Start [Question]
What usually occurs if a Yagi antenna is designed solely for maximum forward gain?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9B08 [Study] Start [Question]
If the boom of a Yagi antenna is lengthened and the elements are properly retuned, what usually occurs?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9B09 [Study] Start [Question]
What type of computer program is commonly used for modeling antennas?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9B10 [Study] Start [Question]
What is the principle of a Method of Moments analysis?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9C01 [Study] Start [Question]
What is the radiation pattern of two 1/4-wavelength vertical antennas spaced 1/2-wavelength apart and fed 180 degrees out of phase?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
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9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9C02 [Study] Start [Question]
What is the radiation pattern of two 1/4-wavelength vertical antennas spaced 1/4-wavelength apart and fed 90 degrees out of phase?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
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9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9C03 [Study] Start [Question]
What is the radiation pattern of two 1/4-wavelength vertical antennas spaced 1/2-wavelength apart and fed in phase?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
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9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9C04 [Study] Start [Question]
What is the radiation pattern of two 1/4-wavelength vertical antennas spaced 1/4-wavelength apart and fed 180 degrees out of phase?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
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9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9C05 [Study] Start [Question]
What is the radiation pattern for two 1/4-wavelength vertical antennas spaced 1/8-wavelength apart and fed 180 degrees out of phase?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9C06 [Study] Start [Question]
What is the radiation pattern for two 1/4-wavelength vertical antennas spaced 1/4-wavelength apart and fed in phase?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
Question
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9C07 [Study] Start [Question]
Which of the following is the best description of a resonant rhombic antenna?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json
9fd99e4b_mateur_Extra_2002___Hamboozler__Question
[Name] E9C08 [Study] Start [Question]
What are the advantages of a terminated rhombic antenna?
[]
Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler
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3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json