Extra · E2
OPERATING PROCEDURES
Advanced operating: image and digital modes, television and data protocols, EME and meteor scatter, and the specialized techniques that separate an Extra-class operator from a general HF user.
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60 questions across 5 groups
Group E2A
- E2A01What is the direction of an ascending pass for an amateur satellite?
- E2A02Which of the following is characteristic of an inverting linear transponder?
- E2A03How is an upload signal processed by an inverting linear transponder?
- E2A04What is meant by the “mode” of an amateur radio satellite?
- E2A05What do the letters in a satellite’s mode designator specify?
- E2A06What are Keplerian elements?
- E2A07Which of the following types of signals can be relayed through a linear transponder?
- E2A08Why should effective radiated power (ERP) be limited to a satellite that uses a linear transponder?
- E2A09What do the terms “L band” and “S band” specify?
- E2A10What type of satellite appears to stay in one position in the sky?
- E2A11What type of antenna can be used to minimize the effects of spin modulation and Faraday rotation?
- E2A12What is the purpose of digital store-and-forward functions on an amateur radio satellite?
Group E2B
- E2B01In digital television, what does a coding rate of 3/4 mean?
- E2B02How many horizontal lines make up a fast-scan (NTSC) television frame?
- E2B03How is an interlaced scanning pattern generated in a fast-scan (NTSC) television system?
- E2B04How is color information sent in analog SSTV?
- E2B05Which of the following describes the use of vestigial sideband in analog fast-scan TV transmissions?
- E2B06What is vestigial sideband modulation?
- E2B07Which types of modulation are used for amateur television DVB-T signals?
- E2B08What technique allows commercial analog TV receivers to be used for fast-scan TV operations on the 70- centimeter band?
- E2B09What kind of receiver can be used to receive and decode SSTV using the Digital Radio Mondiale (DRM) protocol?
- E2B10What aspect of an analog slow-scan television signal encodes the brightness of the picture?
- E2B11What is the function of the vertical interval signaling (VIS) code sent as part of an SSTV transmission?
- E2B12What signals SSTV receiving software to begin a new picture line?
Group E2C
- E2C01What indicator is required to be used by US-licensed operators when operating a station via remote control and the remote transmitter is located in the US?
- E2C02Which of the following file formats is used for exchanging amateur radio log data?
- E2C03From which of the following bands is amateur radio contesting generally excluded?
- E2C04Which of the following frequencies can be used for amateur radio mesh networks?
- E2C05What is the function of a DX QSL Manager?
- E2C06During a VHF/UHF contest, in which band segment would you expect to find the highest level of SSB or CW activity?
- E2C07What is the Cabrillo format?
- E2C08Which of the following contacts may be confirmed through the Logbook of The World (LoTW)?
- E2C09What type of equipment is commonly used to implement an amateur radio mesh network?
- E2C10Why do DX stations often transmit and receive on different frequencies?
- E2C11How should you generally identify your station when attempting to contact a DX station during a contest or in a pileup?
- E2C12What indicates the delay between a control operator action and the corresponding change in the transmitted signal?
Group E2D
- E2D01Which of the following digital modes is designed for meteor scatter communications?
- E2D02What information replaces signal-to-noise ratio when using the FT8 or FT4 modes in a VHF contest?
- E2D03Which of the following digital modes is designed for EME communications?
- E2D04What technology is used for real-time tracking of balloons carrying amateur radio transmitters?
- E2D05What is the characteristic of the JT65 mode?
- E2D06Which of the following is a method for establishing EME contacts?
- E2D07What digital protocol is used by APRS?
- E2D08What type of packet frame is used to transmit APRS beacon data?
- E2D09What type of modulation is used by JT65?
- E2D10What does the packet path WIDE3-1 designate?
- E2D11How do APRS stations relay data?
Group E2E
- E2E01Which of the following types of modulation is used for data emissions below 30 MHz?
- E2E02Which of the following synchronizes WSJT-X digital mode transmit/receive timing?
- E2E03To what does the "4" in FT4 refer?
- E2E04Which of the following is characteristic of the FST4 mode?
- E2E05Which of these digital modes does not support keyboard-to-keyboard operation?
- E2E06What is the length of an FT8 transmission cycle?
- E2E07How does Q65 differ from JT65?
- E2E08Which of the following HF digital modes can be used to transfer binary files?
- E2E09Which of the following HF digital modes uses variable-length character coding?
- E2E10Which of these digital modes has the narrowest bandwidth?
- E2E11What is the difference between direct FSK and audio FSK?
- E2E12How do ALE stations establish contact?
- E2E13Which of these digital modes has the highest data throughput under clear communication conditions?