Extra Class License Exam Questions

Subelement E2

Operating Procedures

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Group E2A Amateur radio in space: amateur satellites; orbital mechanics; frequencies and modes; satellite hardware; satellite operations; experimental telemetry applications
E2A01 What is the direction of an ascending pass for an amateur satellite?
E2A02 What is the direction of a descending pass for an amateur satellite?
E2A03 What is the orbital period of an Earth satellite?
E2A04 What is meant by the term mode as applied to an amateur radio satellite?
E2A05 What do the letters in a satellite's mode designator specify?
E2A06 On what band would a satellite receive signals if it were operating in mode U/V?
E2A07 Which of the following types of signals can be relayed through a linear transponder?
E2A08 Why should effective radiated power to a satellite which uses a linear transponder be limited?
E2A09 What do the terms L band and S band specify with regard to satellite communications?
E2A10 Why may the received signal from an amateur satellite exhibit a rapidly repeating fading effect?
E2A11 What type of antenna can be used to minimize the effects of spin modulation and Faraday rotation?
E2A12 What is one way to predict the location of a satellite at a given time?
E2A13 What type of satellite appears to stay in one position in the sky?
E2A14 What technology is used to track, in real time, balloons carrying amateur radio transmitters?
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Group E2B Television practices: fast scan television standards and techniques; slow scan television standards and techniques
E2B01 How many times per second is a new frame transmitted in a fast-scan (NTSC) television system?
E2B02 How many horizontal lines make up a fast-scan (NTSC) television frame?
E2B03 How is an interlaced scanning pattern generated in a fast-scan (NTSC) television system?
E2B04 What is blanking in a video signal?
E2B05 Which of the following is an advantage of using vestigial sideband for standard fast- scan TV transmissions?
E2B06 What is vestigial sideband modulation?
E2B07 What is the name of the signal component that carries color information in NTSC video?
E2B08 Which of the following is a common method of transmitting accompanying audio with amateur fast-scan television?
E2B09 What hardware, other than a receiver with SSB capability and a suitable computer, is needed to decode SSTV using Digital Radio Mondiale (DRM)?
E2B10 Which of the following is an acceptable bandwidth for Digital Radio Mondiale (DRM) based voice or SSTV digital transmissions made on the HF amateur bands?
E2B11 What is the function of the Vertical Interval Signaling (VIS) code sent as part of an SSTV transmission?
E2B12 How are analog SSTV images typically transmitted on the HF bands?
E2B13 How many lines are commonly used in each frame of an amateur slow-scan color television picture?
E2B14 What aspect of an amateur slow-scan television signal encodes the brightness of the picture?
E2B15 What signals SSTV receiving equipment to begin a new picture line?
E2B16 Which is a video standard used by North American Fast Scan ATV stations?
E2B17 What is the approximate bandwidth of a slow-scan TV signal?
E2B18 On which of the following frequencies is one likely to find FM ATV transmissions?
E2B19 What special operating frequency restrictions are imposed on slow scan TV transmissions?
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Group E2C Operating methods: contest and DX operating; remote operation techniques; Cabrillo format; QSLing; RF network connected systems
E2C01 Which of the following is true about contest operating?
E2C02 Which of the following best describes the term self-spotting in regards to HF contest operating?
E2C03 From which of the following bands is amateur radio contesting generally excluded?
E2C04 What type of transmission is most often used for a ham radio mesh network?
E2C05 What is the function of a DX QSL Manager?
E2C06 During a VHF/UHF contest, in which band segment would you expect to find the highest level of activity?
E2C07 What is the Cabrillo format?
E2C08 Which of the following contacts may be confirmed through the U.S. QSL bureau system?
E2C09 What type of equipment is commonly used to implement a ham radio mesh network?
E2C10 Why might a DX station state that they are listening on another frequency?
E2C11 How should you generally identify your station when attempting to contact a DX station during a contest or in a pileup?
E2C12 What might help to restore contact when DX signals become too weak to copy across an entire HF band a few hours after sunset?
E2C13 What indicator is required to be used by U.S.-licensed operators when operating a station via remote control where the transmitter is located in the U.S.?
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Group E2D Operating methods: VHF and UHF digital modes and procedures; APRS; EME procedures, meteor scatter procedures
E2D01 Which of the following digital modes is especially designed for use for meteor scatter signals?
E2D02 Which of the following is a good technique for making meteor scatter contacts?
E2D03 Which of the following digital modes is especially useful for EME communications?
E2D04 What is the purpose of digital store-and-forward functions on an Amateur Radio satellite?
E2D05 Which of the following techniques is normally used by low Earth orbiting digital satellites to relay messages around the world?
E2D06 Which of the following describes a method of establishing EME contacts?
E2D07 What digital protocol is used by APRS?
E2D08 What type of packet frame is used to transmit APRS beacon data?
E2D09 Which of these digital modes has the fastest data throughput under clear communication conditions?
E2D10 How can an APRS station be used to help support a public service communications activity?
E2D11 Which of the following data are used by the APRS network to communicate your location?
E2D12 How does JT65 improve EME communications?
E2D13 What type of modulation is used for JT65 contacts?
E2D14 What is one advantage of using JT65 coding?
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Group E2E Operating methods: operating HF digital modes
E2E01 Which type of modulation is common for data emissions below 30 MHz?
E2E02 What do the letters FEC mean as they relate to digital operation?
E2E03 How is the timing of JT65 contacts organized?
E2E04 What is indicated when one of the ellipses in an FSK crossed-ellipse display suddenly disappears?
E2E05 Which type of digital mode does not support keyboard-to-keyboard operation?
E2E06 What is the most common data rate used for HF packet?
E2E07 What is the typical bandwidth of a properly modulated MFSK16 signal?
E2E08 Which of the following HF digital modes can be used to transfer binary files?
E2E09 Which of the following HF digital modes uses variable-length coding for bandwidth efficiency?
E2E10 Which of these digital modes has the narrowest bandwidth?
E2E11 What is the difference between direct FSK and audio FSK?
E2E12 Which type of control is used by stations using the Automatic Link Enable (ALE) protocol?
E2E13 Which of the following is a possible reason that attempts to initiate contact with a digital station on a clear frequency are unsuccessful?
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