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Text File | 1990-09-15 | 47.9 KB | 1,677 lines |
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- █ ▀▀▀ ██ ▀▀▀ ██ █ █ █ GENERAL CLASS
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- ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀ TEST QUESTION LIBRARY
- │ ┌──┐ ┌───┐
- ├──┐ │ │ ├──┐ ├───┘ 1 OF 2
- │ │ └──┘ │ │ └───┘
- └──┘ └
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-
- . */..................................................
- . To edit, add or delete questions with a text editor.
- . follow the EXACT formula as shown. .
- . .
- . ! + n = question # .
- . # = ANSWER .
- . % = END OF CLASS QUESTIONS .
- . @ = CLASS OF LICENSE .
- . .
- . Keep answers short enough to fit in the HAMBONE .
- . window screen. .
- . */..................................................
-
- !1: What is the maximum transmitting power permitted an Amateur Station
- on 10.14 MHz?
-
- A. 200 Watts PEP output.
- B. 1000 Watts DC input.
- C. 1500 Watts PEP output.
- D. 2000 Watts DC input.
- #ANSWER:A
- @GENERAL
-
- !2: What is the maximum transmitting power permitted an Amateur Station
- on 3725 kHz?
-
- A. 200 watts PEP output.
- B. 1000 watts DC input.
- C. 1500 watts PEP output.
- D. 2000 watts DC input.
- #ANSWER:A
- @GENERAL
-
- !3: What is the maximum transmitting power permitted an Amateur Station
- on 7080 kHz?
-
- A. 200 watts PEP output.
- B. 1000 watts DC input.
- C. 1500 watts PEP output.
- D. 2000 watts DC input.
- #ANSWER:C
- @GENERAL
-
- !4: What is the maximum transmitting power permitted an Amateur Station
- on 24.95 MHz?
-
- A. 200 watts PEP output.
- B. 1000 watts DC input.
- C. 1500 watts PEP output.
- D. 2000 watts DC input.
- #ANSWER:C
- @GENERAL
-
- !5: What is the maximum transmitting power permitted an Amateur Station
- transmitting on 21.150 MHz?
-
- A. 200 watts PEP output.
- B. 1000 watts DC input.
- C. 1500 watts DC input.
- D. 1500 watts PEP output.
- #ANSWER:A
- @GENERAL
-
- !6: How must a General control operator at a Novice station make the
- station identification when transmitting on 7050 kHz?
-
- A. The control operator should identify the station with his or her
- call, followed by the word "Controlling" and the Novice call.
- B. The control operator should identify the station with his or her
- call, followed by the slant bar "/" and the Novice call.
- C. The control operator should identify the station with the Novice
- call, followed by the slant bar "/" and his or her call.
- D. The Novice Station should not be operated on 7050 kHz, even with a
- General class control operator.
- #ANSWER:C
- @GENERAL
-
-
- !7: Under what circumstances, if any, may third-party traffic be
- transmitted to a foreign country by an Amateur Station?
-
- A. Under no circumstances.
- B. Only if the country has a third-party traffic agreement with the
- United States.
- C. Only if the control operator is an Amateur Extra class licensee.
- D. Only if the country has formal diplomatic relations with the United
- states.
- #ANSWER:B
- @GENERAL
-
- !8: What types of messages may be transmitted by an Amateur station to a
- foreign country for a third person?
-
- A. Third-party traffic involving material compensation, either tangible
- or intangible, direct or indirect, to a third party, a station
- licensee, a control operator, or any other person.
- B. Third-party traffic consisting of business communications on behalf
- of any party.
- C. Only third-party traffic which does not involve material compensation
- of any kind, and is not business communication of any type.
- D. No messages may be transmitted to foreign countries for third
- parties.
- #ANSWER:C
- @GENERAL
-
- !9: What additional limitations apply to third-party messages
- transmitted to foreign countries?
-
- A. Third-party messages may only be transmitted to Amateurs in countries
- with which the US has a third-party traffic agreement.
- B. Third-party messages may only be sent to Amateurs in ITU Region 1.
- C. Third-party messages may only be sent to Amateurs in ITU Region 3.
- D. Third-party messages must always be transmitted in English.
- #ANSWER:A
- @GENERAL
-
- !10: Under what circumstances, if any, may an Amateur Station
- transmitting on 29.64 MHz. repeat the 146.34 MHz. signals of an
- Amateur Station with a Technician control operator?
-
- A. Under no circumstances.
- B. Only if the station on 29.64 MHz. is operating under a SPECIAL
- TEMPORARY AUTHORIZATION allowing such retransmission?
- C. Only during an FCC declared GENERAL STATE OF COMMUNICATIONS
- EMERGENCY.
- D. Only if the control operator of the repeater transmitter is
- authorized to operate on 29.64 MHz.
- #ANSWER:D
- @GENERAL
-
- !11: What frequency privileges are authorized to General operators in the
- 160 meter band?
-
- A. 1800 to 1900 kHz only.
- B. 1900 to 2000 kHz only.
- C. 1800 to 2000 kHz only.
- D. 1825 to 2000 kHz only.
- #ANSWER:C
- @GENERAL
-
- !12: What frequency privileges are authorized to General operators in the
- 75/80 meter band?
-
- A. 3525 to 3570 and 3850 to 4000 kHz only.
- B. 3525 to 3775 and 3875 to 4000 kHz only.
- C. 3525 to 3750 and 3875 to 4000 kHz only.
- D. 3525 to 3775 and 3850 to 4000 kHz only.
- #ANSWER:A
- @GENERAL
-
- !13: What frequency privileges are authorized to General operators in the
- 40 meter band?
-
- A. 7025 to 7175 and 7200 to 7300 kHz only.
- B. 7025 to 7175 and 7225 to 7300 kHz only.
- C. 7025 to 7150 and 7200 to 7300 kHz only.
- D. 7025 to 7150 and 7225 to 7300 kHz only.
- #ANSWER:D
- @GENERAL
-
- !14: What frequency privileges are authorized to General operators in the
- 30 meter band?
-
- A. 10,100 to 10, 150 kHz only.
- B. 10,105 to 10, 150 kHz only.
- C. 10,125 to 10, 150 kHz only.
- D. 10,100 to 10, 125 kHz only.
- #ANSWER:A
- @GENERAL
-
- !15: What frequency privileges are authorized to General operators in the
- 20 meter band?
-
- A. 14,025 to 14,100 and 14,175 to 14,350 kHz only.
- B. 14,025 to 14,150 and 14,225 to 14,350 kHz only.
- C. 14,025 to 14,125 and 14,200 to 14,350 kHz only.
- D. 14,025 to 14,175 and 14,250 to 14,350 kHz only.
- #ANSWER:B
- @GENERAL
-
- !16: What frequency privileges are authorized to General operators in the
- 15 meter band?
-
- A. 21,025 to 21,200 and 21,275 to 21,450 kHz only.
- B. 21,025 to 21,150 and 21,300 to 21,450 kHz only.
- C. 21,025 to 21,200 and 21,300 to 21,450 kHz only.
- D. 21,000 to 21,150 and 21,275 to 21,450 kHz only.
- #ANSWER:C
- @GENERAL
-
- !17: What frequency privileges are authorized to General operators in the
- 12 meter band?
-
- A. 24,890 to 24,990 kHz only.
- B. 24,890 to 24,975 kHz only.
- C. 24,900 to 24,990 kHz only.
- D. 24,790 to 24,990 KHz only.
- #ANSWER:A
- @GENERAL
-
- !18: What frequency privileges are authorized to General operators in the
- 10 meter band?
-
- A. 28,000 to 29,700 kHz only.
- B. 28,025 to 29,700 kHz only.
- C. 28,100 to 29,700 kHz only.
- D. 28,025 to 29,600 kHz only.
- #ANSWER:A
- @GENERAL
-
- !19: Which operator licenses authorize privileges on 1820 kHz.?
-
- A. Extra only.
- B. Extra, Advanced only.
- C. Extra, Advanced, General only.
- D. Extra, Advanced, General, Technician only.
- #ANSWER:C
- @GENERAL
-
- !20: Which operator licenses authorize privileges on 3950 Khz.?
-
- A. Extra, Advanced only.
- B. Extra, Advanced, General only.
- C. Extra, Advanced, General, Technician only.
- D. Extra, Advanced, General, Technician, Novice only.
- #ANSWER:B
- @GENERAL
-
- !21: Which operator licenses authorize privileges on 7230 kHz.?
-
- A. Extra only.
- B. Extra, Advanced only.
- C. Extra, Advanced, General only.
- D. Extra, Advanced, General, Technician only.
- #ANSWER:C
- @GENERAL
-
- !22: Which operator licenses authorize privileges on 10.125 MHz.?
-
- A. Extra, Advanced, General only.
- B. Extra, Advanced only.
- C. Extra only.
- D. Technician only.
- #ANSWER:A
- @GENERAL
-
- !23: Which operator licenses authorize privileges on 14.325 MHz.?
-
- A. Extra, Advanced, General, Technician only.
- B. Extra, Advanced, General only.
- C. Extra, Advanced only.
- D. Extra only.
- #ANSWER:B
- @GENERAL
-
- !24: Which operator licenses authorize privileges on 21.425 MHz.?
-
- A. Extra, Advanced, General, Novice only.
- B. Extra, Advanced, General, Technician only.
- C. Extra, Advanced, General only.
- D. Extra, Advanced only.
- #ANSWER:C
- @GENERAL
-
- !25: Which operator licenses authorize privileges on 24.895 MHz.?
-
- A. Extra only.
- B. Extra, Advanced only.
- C. Extra, Advanced, General only.
- D. None.
- #ANSWER:C
- @GENERAL
-
- !26: Which operator licenses authorize privileges on 29.616 MHZ.?
-
- A. Novice, Technician, General, Advanced, Extra only.
- B. Technician, General, Advanced, Extra only.
- C. General, Advanced, Extra only.
- D. Advanced, Extra only.
- #ANSWER:C
- @GENERAL
-
- !27: On what frequencies within the 160 meter band may emission A3E be
- transmitted?
-
- A. 1800 - 2000 kHz. only.
- B. 1800 - 1900 kHz. only.
- C. 1900 - 2000 kHz. only.
- D. 1825 - 1950 kHz. only.
- #ANSWER:A
- @GENERAL
-
- !28: On what frequencies within the 80 meter band may emission A1A be
- transmitted?
-
- A. 3500 - 3750 kHz only.
- B. 3700 - 3750 kHz only.
- C. 3775 - 4000 kHz only.
- D. 3890 - 4000 kHz only.
- #ANSWER:C
- @GENERAL
-
- !29: On what frequencies within the 40 meter band may emission A3F be
- transmitted?
-
- A. 7225 - 7300 kHz only.
- B. 7000 - 7300 kHz only.
- C. 7100 - 7150 kHz only.
- D. 7150 - 7300 kHz only.
- #ANSWER:D
- @GENERAL
-
- !30: On what frequencies within the 30 meter band may emission F1B be
- transmitted?
-
- A. 10.140 - 10.150 MHz.
- B. 10.125 - 10.150 MHz.
- C. 10.100 - 10.150 MHz.
- D. 10.100 - 10.125 MHz.
- #ANSWER:C
- @GENERAL
-
- !31: On what frequencies within the 20 meter band may emission A3C be
- transmitted?
-
- A. 14,200 - 14,300 kHz only.
- B. 14,150 - 14,350 kHz only.
- C. 14,025 - 14,150 kHz only.
- D. 14.150 - 14.300 MHz only.
- #ANSWER:B
- @GENERAL
-
-
- !32: On what frequencies within the 15 meter band may emission F3C be
- transmitted?
-
- A. 21,200 - 21,300 kHz only.
- B. 21,350 - 21,450 kHz only.
- C. 21,200 - 21,450 kHz only.
- D. 21,100 - 21,200 kHz only.
- #ANSWER:C
- @GENERAL
-
- !33: On what frequencies within the 12 meter band may emission J3E be
- transmitted?
-
- A. 24,890 - 24,990 kHz only.
- B. 24.890 - 24.930 kHz only.
- C. 24.930 - 24.990 kHz only.
- D. J3E is not permitted in this band.
- #ANSWER:C
- @GENERAL
-
- !34: On what frequencies within the 10 meter band may emission A3E be
- transmitted?
-
- A. 28,000 - 28,300 kHz only.
- B. 29,000 - 29,700 kHz only.
- C. 28,300 - 29,700 kHz only.
- D. 28,000 - 29,000 kHz only.
- #ANSWER:C
- @GENERAL
-
- !35: What is the maximum sending speed permitted for an emission F1B
- transmission below 28 MHz?
-
- A. 56 kilobaud.
- B. 19.6 kilobaud.
- C. 1200 baud.
- D. 300 baud.
- #ANSWER:D
- @GENERAL
-
- !36: Under what circumstances, if any, may an Amateur Station engage in
- some form of broadcasting?
-
- A. During severe storms, Amateurs may broadcast weather information for
- people with scanners.
- B. Under no circumstances.
- C. If power levels under one watt are used, Amateur Stations may
- broadcast bulletins, but not music.
- D. Amateur broadcasting is permissible above 10 GHz.
- #ANSWER:B
- @GENERAL
-
- !37: What protection, if any, is afforded an Amateur Station transmission
- against retransmission by a Broadcast Station?
-
- A. No protection whatsoever.
- B. The broadcaster must secure permission for the retransmission from
- the control operator of the Amateur Station.
- C. The broadcaster must petition the FCC for retransmission rights 30
- days in advance.
- D. Retransmission may only be made during a declared emergency.
- #ANSWER:A
- @GENERAL
-
- !38: Under what circumstances, if any, may the playing of a Violin be
- transmitted by an Amateur Station?
-
- A. When the music played produces no dissonances or spurious emissions.
- B. When it is used to jam an illegal transmission.
- C. Only above 1215 MHz.
- D. Transmitting music is not permitted in the Amateur Service.
- #ANSWER:D
- @GENERAL
-
- !39: Under what circumstances, if any, may the playing of a Piano be
- transmitted by an Amateur Station?
-
- A. When it is used to jam an illegal transmission.
- B. Only above 1215 MHz.
- C. Transmitting music is not permitted in the Amateur Service.
- D. When the music played produces no dissonances or spurious emissions.
- #ANSWER:C
- @GENERAL
-
-
- !40: Under what circumstances, if any, may the playing of a Harmonica be
- transmitted by an Amateur Station?
-
- A. When the music played produces no dissonances or spurious emissions.
- B. Transmitting music is not permitted in the Amateur Service.
- C. When it is used to jam an illegal transmission.
- D. Only above 1215 MHz.
- #ANSWER:B
- @GENERAL
-
- !41: Under what circumstances, if any, may an Amateur Station transmit a
- message in secret codes in order to obscure the meaning!
-
- A. Only above 450 Mhz.
- B. Only on Field Day.
- C. Never.
- D. Only during a declared communications emergency.
- #ANSWER:C
- @GENERAL
-
- !42: What types of abbreviations or signals are not considered codes or
- ciphers?
-
- A. Abbreviations and signals certified by the ARRL.
- B. Abbreviations and signals established by regulation or custom and
- usage and whose intent is to facilitate communication and not to
- obscure meaning.
- C. No abbreviations are permitted, as they tend to obscure the meaning
- of the message to FCC monitoring stations.
- D. Only "10 Codes" are permitted.
- #ANSWER:B
- @GENERAL
-
- !43: When, if ever, are codes and ciphers permitted in domestic Amateur
- radiocommunications?
-
- A. Codes and ciphers are prohibited under all circumstances.
- B. Codes and ciphers are permitted during ARRL sponsored contests.
- C. Codes and ciphers are permitted during nationally declared
- emergencies.
- D. Codes and ciphers are permitted above 2.3 GHz.
- #ANSWER:A
- @GENERAL
-
- !44: When, if ever, are codes and ciphers permitted in international
- Amateur radiocommunications?
-
- A. Codes and ciphers are prohibited under all circumstances.
- B. Codes and ciphers are permitted during IUT sponsored DX contests.
- C. Codes and ciphers are permitted during internationally declared
- emergencies.
- D. Codes and ciphers are permitted only on frequencies above 2.3 GHz.
- #ANSWER:A
- @GENERAL
-
-
- !45: What is meant by the term FLATTOPPING in an emission J3E
- transmission?
-
- A. Signal distortion caused by insufficient collector current.
- B. The transmitter's automatic level control is properly adjusted.
- C. Signal distortion caused by excessive drive.
- D. The transmitter's carrier is properly suppressed.
- #ANSWER:C
- @GENERAL
-
- !46: How should the audio gain control be adjusted on an emission J3E
- transmitter?
-
- A. For full deflection of the ALC meter on modulation peaks.
- B. For slight movement of the ALC meter on modulation peaks.
- C. For 100% frequency deviation on modulation peaks.
- D. For a dip in plate current.
- #ANSWER:B
- @GENERAL
-
- !47: In what segment of the 20 meter band do most emission F1B
- transmissions take place?
-
- A. Between 14.000 and 14.050 MHz.
- B. Between 14.075 and 14.100 MHz.
- C. Between 14.150 and 14.225 MHz.
- D. Between 14.275 and 14.350 MHz.
- #ANSWER:B
- @GENERAL
-
- !48: In what segment of the 80 meter band do most emission F1B
- transmissions take place?
-
- A. 3.610 to 3.630 MHz.
- B. 3500 to 3525 kHz.
- C. 3700 to 3750 kHz.
- D. 3.775 to 3.825 MHz.
- #ANSWER:A
- @GENERAL
-
- !49: What is meant by the term BAUDOT?
-
- A. Baudot is a 7 bit code, with start, stop and parity bits.
- B. Baudot is a 7 bit code in which each character has four mark and
- three space bits.
- C. Baudot is a 5 bit code, with additional start and stop bits.
- D. Baudot is a 6 bit code, with additional start, stop and parity bits.
- #ANSWER:C
- @GENERAL
-
- !50: What is meant by the term ASCII?
-
- A. ASCII is a 7 bit code, with additional start, stop and parity bits.
- B. ASCII is a 7 bit code in which each character has four mark and three
- space bits.
- C. ASCII is a 5 bit code, with additional start and stop bits.
- D. ASCII is a 5 bit code in which each character has three mark and two
- space bits.
- #ANSWER:A
- @GENERAL
-
- !51: What is the most common frequency shift for emission F1B
- transmissions in the Amateur HF bands?
-
- A. 85 Hz.
- B. 170 Hz.
- C. 425 Hz.
- D. 850 Hz.
- #ANSWER:B
- @GENERAL
-
- !52: What are the two subset modes of AMTOR?
-
- A. A Mark of 2125 Hz. and a Space of 2295 Hz.
- B. Baudot and ASCII.
- C. ARQ and FEC.
- D. USB and LSB.
- #ANSWER:C
- @GENERAL
-
- !53: What is the meaning of the term ARQ?
-
- A. Automatic Repeater Queue.
- B. Automatic Receiver Quieting.
- C. Automatically Resend Quickly.
- D. Automatic Repeat Request.
- #ANSWER:D
- @GENERAL
-
- !54: What is the meaning of the term FEC?
-
- A. Frame Error Check.
- B. Forward Error Correction.
- C. Frequency Envelope Control.
- D. Frequency Encoded Connection.
- #ANSWER:B
- @GENERAL
-
- !55: What is meant by a BANDPLAN?
-
- A. An outline adopted by Amateur Radio operators for operating within a
- specific portion of radio spectrum.
- B. An arrangement for deviating from FCC Rules and Regulations.
- C. A schedule for operating devised by the Federal Communications
- Commission.
- D. A plan devised for a club on how best to use to use a band during a
- contest.
- #ANSWER:A
- @GENERAL
-
- !56: What is the usual Input/Output frequency separation for a 10 meter
- station in repeater operation?
-
- A. 100 kHz.
- B. 600 kHz.
- C. 1.6 MHz.
- D. 170 Hz.
- #ANSWER:A
- @GENERAL
-
- !57: What is meant by VOX TRANSMITTER CONTROL?
-
- A. Circuitry that causes the transmitter to turn on automatically when
- the operator speaks into the microphone.
- B. Circuitry that shifts the frequency of the transmitter when the
- operator switches from radiotelegraphy to radiotelephony.
- C. Circuitry that activates the receiver incremental tuning in a
- transceiver.
- D. Circuitry that isolates the microphone from the ambient noise level.
- #ANSWER:A
- @GENERAL
-
- !58: What is the common name for the circuit that causes a transmitter to
- automatically transmit when a person speaks into the microphone?
-
- A. VXO.
- B. VOX.
- C. VCO.
- D. VFO.
- #ANSWER:B
- @GENERAL
-
- !59: What is meant by the term FULL BREAK-IN TELEGRAPHY?
-
- A. A system of radiotelegraph communication in which the breaking
- station sends the Morse Code symbol BK.
- B A system of radiotelegraph communication in which only automatic
- keyers can be used.
- C. A system of radiotelegraph communication in which the operator must
- activate the send/receive switch after completing a transmission.
- D. A system of radiotelegraph communication in which the receiver is
- sensitive to incoming signal between transmitted key pulses.
- #ANSWER:D
- @GENERAL
-
- !60: What Q signal is used to indicate full break-in telegraphy
- capability?
-
- A. QSB.
- B. QSF.
- C. QSK.
- D. QSV.
- #ANSWER:C
- @GENERAL
-
- !61: When selecting an emission A1A transmitting frequency, what is the
- minimum frequency separation from a QSO in progress that should be
- allowed in order to minimize interference?
-
- A. 5 to 50 Hz.
- B. 150 to 500 Hz.
- C. Approximately 3 kHz.
- D. Approximately 6 kHz.
- #ANSWER:B
- @GENERAL
-
- !62: When selecting an emission J3E transmitting frequency, what is the
- minimum frequency separation from a QSO in progress that should be
- allowed in order to minimize interference?
-
- A. 150 to 500 Hz between suppressed carriers.
- B. Approximately 3 kHz between suppressed carriers.
- C. Approximately 6 kHz between suppressed carriers.
- D. Approximately 10 kHz between suppressed carriers.
- #ANSWER:B
- @GENERAL
-
- !63: When selecting an F1B RTTY transmitting frequency, what is the
- minimum frequency separation from a QSO in progress that should be
- allowed in order to minimize interference?
-
- A. Approximately 45 Hz center to center.
- B. Approximately 250 to 500 Hz center to center.
- C. Approximately 3 kHz center to center.
- D. Approximately 6 kHz center to center.
- #ANSWER:B
- @GENERAL
-
- !64: What is an AZIMUTHAL map?
-
- A. A map projection that is always centered on the North Pole.
- B. A map projection, centered on a particular location, that determines
- the shortest path between two points on the surface of the earth.
- C. A map that shows the angle at which an Amateur satellite crosses the
- equator.
- D. A map that shows the number of degrees longitude that an Amateur
- satellite appears to move westward at the equator with each orbit.
- #ANSWER:B
- @GENERAL
-
- !65: How can an Azimuthal map be helpful in conducting international HF
- radiocommunications?
-
- A. It is used to determine the proper beam heading for the shortest path
- to a DX station.
- B. It is used to determine the most efficient transmitting antenna
- height to conduct the desired communication.
- C. It is used to determine the angle at which an Amateur satellite cross
- the equator.
- D. It is used to determine the Maximum Usable Frequency (muf).
- #ANSWER:A
- @GENERAL
-
- !66: What is the most useful type of map when orienting a directional
- antenna toward a station 5,000 miles distant?
-
- A. Azimuthal.
- B. Mercator.
- C. Polar projection.
- D. Topographical.
- #ANSWER:A
- @GENERAL
-
- !67: A directional antenna pointed in the long-path direction to another
- station is generally oriented how many degrees from the short-path
- heading?
-
- A. 45 degrees.
- B. 90 degrees.
- C. 180 degrees.
- D. 270 degrees.
- #ANSWER:C
- @GENERAL
-
- !68: What is the short-path heading to Antarctica?
-
- A. Approximately 0 degrees.
- B. Approximately 90 degrees.
- C. Approximately 180 degrees.
- D. Approximately 270 degrees.
- #ANSWER:C
- @GENERAL
-
- !69: When permitted, transmissions to Amateur Stations in another country
- must be limited to only what type of messages?
-
- A. Messages of any type are permitted.
- B. Messages that compete with public telecommunications services.
- C. Messages of a technical nature or remarks of a personal character of
- relative unimportance.
- D. Such transmissions are never permitted.
- #ANSWER:C
- @GENERAL
-
- !70: In which International Telecommunication Union Region is the
- continental United States?
-
- A. Region 1.
- B. Region 2.
- C. Region 3.
- D. Region 4.
- #ANSWER:B
- @GENERAL
-
- !71: In which International Telecommunication Union Region is Alaska?
-
- A. Region 1.
- B. Region 2.
- C. Region 3.
- D. Region 4.
- #ANSWER:B
- @GENERAL
-
- !72: In which International Telecommunication Union Region is American
- Samoa?
-
- A. Region 1.
- B. Region 2.
- C. Region 3.
- D. Region 4.
- #ANSWER:C
- @GENERAL
-
- !73: For uniformity in international radiocommunication, what time
- measurement standard should Amateur Operators worldwide use?
-
- A. Eastern Standard Time.
- B. Uniform Calibrated Time.
- C. Universal Coordinated Time.
- D. Universal Time Control.
- #ANSWER:C
- @GENERAL
-
- !74: In which International Telecommunication Union Region is Hawaii?
-
- A. Region 1.
- B. Region 2.
- C. Region 3.
- D. region 4.
- #ANSWER:B
- @GENERAL
-
- !75: In which International Telecommunication Union Region is the
- Commonwealth of Northern Marinas Islands?
-
- A. Region 1.
- B. Region 2.
- C. Region 3.
- D. Region 4.
- #ANSWER:C
- @GENERAL
-
- !76: In which International Telecommunication Union Region is Guam?
-
- A. Region 1.
- B. Region 2.
- C. Region 3.
- D. Region 4.
- #ANSWER:C
- @GENERAL
-
- !77: In which International Telecommunication Union Region is Wake
- Island?
-
- A. Region 1.
- B. Region 2.
- C. Region 3.
- D. region 4.
- #ANSWER:C
- @GENERAL
-
- !78: What is the AMATEUR AUXILIARY to the FCC's Field Operations Bureau?
-
- A. Amateur Volunteers formally enlisted to monitor the airwaves for
- rules violations.
- B. Amateur Volunteers who conduct Amateur Radio licensing examinations.
- C. Amateur who conduct frequency coordination for Amateur VHF repeaters.
- D. Amateur who determine height above average terrain measurements for
- repeater installations.
- #ANSWER:A
- @GENERAL
-
- !79: What are the objectives of the AMATEUR AUXILIARY to the FCC's Field
- Operations Bureau?
-
- A. To enforce Amateur self-regulation and compliance with the rules.
- B. To foster Amateur self-regulation and compliance with the rules.
- C. To promote efficient and orderly spectrum usage in the repeater
- subbands.
- D. To provide emergency and public safety communications.
- #ANSWER:B
- @GENERAL
-
- !80: What is the maximum distance along the Earth's surface that can
- normally be covered in one hop using the F2 layer?
-
- A. Approximately 180 miles.
- B. Approximately 1200 miles.
- C. Approximately 2500 miles.
- D. No distance. This layer does not support radiocommunication.
- #ANSWER:C
- @GENERAL
-
- !81: What is the maximum distance along the Earth's surface that can be
- covered in one hop using the E layer?
-
- A. Approximately 180 miles.
- B. Approximately 1200 miles.
- C. Approximately 2500 miles.
- D. No distance. This layer does not support radiocommunication.
- #ANSWER:B
- @GENERAL
-
- !82: What is the average height of maximum ionization of the E Layer?
-
- A. 45 miles.
- B. 70 miles.
- C. 200 miles.
- D. 1200 miles.
- #ANSWER:B
- @GENERAL
-
- !83: During what part of the day, and in what season of the year can the
- F2 Layer be expected to reach its maximum height?
-
- A. At Noon during the Summer.
- B. At Midnight during the Summer.
- C. At Dusk in the Spring and Fall
- D. At Noon during the Winter.
- #ANSWER:A
- @GENERAL
-
- !84: What is the CRITICAL ANGLE, as used in radio wave propagation?
-
- A. The lowest take off angle that will return a radio wave to Earth
- under specific Ionospheric conditions.
- B. The compass direction of the desired DX station from your location.
- C. The 180 degree inverted compass direction of the desired DX station
- from your location.
- D. The highest take off angle that will return a radio wave to Earth
- during specific Ionospheric conditions.
- #ANSWER:D
- @GENERAL
-
- !85: What is the main reason that the 160, 80 and 40 meter Amateur Bands
- can be used only for short distance communications during daylight
- hours?
-
- A. Because of a lack of activity.
- B. Because of Auroral propagation.
- C. Because of D Layer absorption.
- D. Because of magnetic flux.
- #ANSWER:C
- @GENERAL
-
- !86: What is the principal reason that the 160 through 40 meter bands are
- useful only for short distance communications during daylight hours?
-
- A. F Layer bending.
- B. Gamma radiation.
- C. D Layer absorption.
- D. Tropospheric ducting.
- #ANSWER:C
- @GENERAL
-
- !87: If the maximum usable frequency on the path from Minnesota to Africa
- is 22 MHz., which band should offer the best chance for a successful
- contact?
-
- A. 10 meters.
- B. 15 meters.
- C. 20 meters.
- D. 40 meters.
- #ANSWER:B
- @GENERAL
-
- !88: If the maximum usable frequency on the path from Ohio to West
- Germany is 17 MHz., which band should offer the best chance for a
- successful contact?
-
- A. 80 meters.
- B. 40 meters.
- C. 20 meters.
- D. 2 meters.
- #ANSWER:C
- @GENERAL
-
- !89: Over what periods of time do Sudden Ionospheric Disturbances
- normally last?
-
- A. The entire day.
- B. A few minutes to a few hours.
- C. A few hours to a few days.
- D. Approximately one week.
- #ANSWER:B
- @GENERAL
-
- !90: What can be done at an amateur station to continue
- radiocommunications during a Sudden Ionospheric Disturbance?
-
- A. Try a higher frequency.
- B. Try the other sideband.
- C. Try a different antenna polarization.
- D. Try a different frequency shift.
- #ANSWER:A
- @GENERAL
-
- !91: What effect does a Sudden Ionospheric Disturbance have on the
- daylight Ionospheric propagation of HF radio waves?
-
- A. Disrupts higher latitude paths more than lower latitude paths.
- B. Disrupts transmissions on lower frequencies more than those on higher
- frequencies.
- C. Disrupts communications via satellite more than direct
- communications.
- D. None. Only dark (as in nighttime) areas of the globe are affected.
- #ANSWER:B
- @GENERAL
-
- !92: How long does it take a Solar Disturbance that increases the Sun's
- ultraviolet radiation to cause Ionospheric Disturbances on Earth?
-
- A. Instantaneously.
- B. 1.5 Seconds.
- C. 8 Minutes.
- D. 20 to 40 Hours.
- #ANSWER:C
- @GENERAL
-
- !93: Sudden Ionospheric Disturbances occur as a result of radio wave
- absorption in which layer of the Ionosphere?
-
- A. D layer.
- B. E layer.
- C. F1 layer.
- D. F2 layer.
- #ANSWER:A
- @GENERAL
-
- !94: What is a characteristic of BACKSCATTER signals?
-
- A. High intelligibility.
- B. A wavering sound.
- C. Reversed modulation.
- D. Reversed sidebands.
- #ANSWER:B
- @GENERAL
-
- !95: What makes backscatter signals often sound distorted?
-
- A. Auroral activity and changes in the Earth's magnetic field.
- B. The propagation through ground waves that absorb much of the signal's
- clarity.
- C. The Earth's E Layer at the point of radio wave refraction.
- D. The small part of the signal's energy scattered back to the
- transmitter skip zone through several radio wave paths.
- #ANSWER:D
- @GENERAL
-
- !96: What is the radio wave propagation phenomenon that allows a signal
- to be detected at a distance too far for ground wave propagation but
- too near for normal sky wave propagation.
-
- A. Ground wave.
- B. Scatter.
- C. Sporadic E skip.
- D. Short path skip.
- #ANSWER:B
- @GENERAL
-
- !97: When does Ionospheric scatter propagation on the HF bands most often
- occur?
-
- A. When the sunspot cycle is at a minimum.
- B. At night.
- C. When the F1 and F2 layers are combined.
- D. At frequencies above the maximum usable frequency.
- #ANSWER:D
- @GENERAL
-
- !98: What is SOLAR FLUX?
-
- A. The density of the Sun's magnetic field.
- B. The radio energy emitted by the sun.
- C. The number of sunspots on the side of the Sun facing the Earth.
- D. A measure of the tilt of the Earth's Ionosphere on the side toward
- the Sun.
- #ANSWER:B
- @GENERAL
-
- !99: What is the SOLAR FLUX INDEX?
-
- A. A measure of past measurements of solar activity.
- B. A measurement of solar activity that compares daily readings with
- results from the last six months.
- C. Another name for the American Sunspot Number.
- D. A measure of solar activity that is taken daily.
- #ANSWER:D
- @GENERAL
-
- !100: What is a timely indicator of solar activity?
-
- A. The 2300 MHz. Solar Flux Index.
- B. The Mean Canadian Sunspot Number.
- C. A clock set to Coordinated Universal Time.
- D. Van Allen Radiation measurements taken at Boulder, Colorado.
- #ANSWER:A
- @GENERAL
-
- !101: What type of propagation conditions on the 15 meter band is
- indicated by a Solar Flux Index of 60 to 70?
-
- A. Unpredictable Ionospheric propagation.
- B. No Ionospheric propagation is possible.
- C. Excellent Ionospheric propagation.
- D. Poor Ionospheric propagation.
- #ANSWER:D
- @GENERAL
-
- !102: A Solar Flux Index of 90 to 110 indicates what type of propagation
- conditions on the 15 meter band?
-
- A. Poor Ionospheric propagation.
- B. No Ionospheric propagation is possible.
- C. Unpredictable Ionospheric propagation.
- D. Good Ionospheric propagation.
- #ANSWER:D
- @GENERAL
-
- !103: A Solar Flux Index of greater than 120 would indicate what type of
- propagation conditions of the 10 meter band?
-
- A. Good Ionospheric propagation.
- B. Poor Ionospheric propagation.
- C. No Ionospheric propagation is possible.
- D. Unpredictable Ionospheric propagation.
- #ANSWER:A
- @GENERAL
-
- !104: For widespread long distance openings on the 6 meter band, what
- Solar Flux values would be required?
-
- A. Less than 50.
- B. Approximately 75.
- C. Greater than 100.
- D. Greater than 250.
- #ANSWER:D
- @GENERAL
-
- !105: If the MUF is high and HF radiocommunications are generally good
- for several days, a similar condition can usually be expected how
- many days later?
-
- A. 7 days.
- B. 14 days.
- C. 28 days.
- D. 90 days.
- #ANSWER:C
- @GENERAL
-
- !106: What is a GEOMAGNETIC DISTURBANCE?
-
- A. A sudden drop in the Solar Flux Index.
- B. A shifting of the Earth's magnetic pole.
- C. Ripples in the Ionosphere.
- D. A dramatic change in the Earth's magnetic field over a short period
- of time.
- #ANSWER:D
- @GENERAL
-
- !107: Which latitude paths are more susceptible to Geomagnetic
- Disturbances?
-
- A. Those greater than 45 degrees latitude.
- B. Those less than 45 degrees latitude.
- C. Equatorial paths.
- D. All paths are affected equally.
- #ANSWER:A
- @GENERAL
-
- !108: What can be the effect of a major geomagnetic storm on
- radiocommunications?
-
- A. Improved high latitude HF communications.
- B. Degraded high latitude HF communications.
- C. Improved ground wave propagation.
- D. Improved chances of ducting at UHF.
- #ANSWER:B
- @GENERAL
-
- !109: How long does it take a Solar Disturbance that increases the Sun's
- radiation of charged particles to affect radio wave propagation on
- Earth?
-
- A. The effect is instantaneous.
- B. 1.5 Seconds.
- C. 8 Minutes.
- D. 20 to 40 Hours.
- #ANSWER:D
- @GENERAL
-
-
- !110: Which wires in a four conductor line cord should be attached to
- fuses in a 234 VAC primary (Single Phase) power supply?
-
- A. Only the "Hot" (Black and Red) wires.
- B. Only the "Neutral" (White) wire.
- C. Only the "Ground" (Bare) wire.
- D. All wires.
- #ANSWER:A
- @GENERAL
-
- !111: What size wire is normally used on a 15 Ampere, 117 VAC household
- lighting circuit?
-
- A. AWG No. 14.
- B. AWG No. 16.
- C. AWG No. 18.
- D. AWG No. 22.
- #ANSWER:A
- @GENERAL
-
- !112: What size wire is normally used on a 20 Ampere, 117 VAC household
- appliance circuit?
-
- A. AWG No. 20.
- B. AWG No. 16.
- C. AWG No. 14.
- D. AWG No. 12.
- #ANSWER:D
- @GENERAL
-
- !113: What could be a cause of the room lights dimming when the
- transmitter is keyed?
-
- A. RF in the AC pole transformer.
- B. High resistance in the key contacts.
- C. A drop in AC line voltage.
- D. The line cord is wired incorrectly.
- #ANSWER:C
- @GENERAL
-
- !114: What size fuse should be used on a #12 wire household appliance
- circuit?
-
- A. Maximum of 100 amperes.
- B. Maximum of 60 amperes.
- C. Maximum of 30 amperes.
- D. Maximum of 20 amperes.
- #ANSWER:D
- @GENERAL
-
- !115: What safety feature is provided by a BLEEDER RESISTOR in a power
- supply.
-
- A. It improves voltage regulation.
- B. It discharges the filter capacitors.
- C. It removes shock hazards from the induction coils.
- D. It eliminates Ground Loop current.
- #ANSWER:B
- @GENERAL
-
- !116: What kind of input signal is used to test the amplitude linearity
- of an emission J3E transmitter while viewing the output with an
- oscilloscope?
-
- A. Normal speech.
- B. An audio frequency sine wave.
- C. Two audio frequency sine waves.
- D. An audio frequency square wave.
- #ANSWER:C
- @GENERAL
-
- !117: To test the amplitude linearity of an emission J3E transmitter with
- an oscilloscope, what should the audio input to the transmitter be?
-
- A. Normal speech.
- B. An audio frequency sine wave.
- C. Two audio frequency sine waves.
- D. An audio frequency square wave.
- #ANSWER:C
- @GENERAL
-
-
- !118: What audio frequencies are used in a TWO TONE TEST of the linearity
- of an emission J3E transmitter?
-
- A. 20 Hz. and 20,000 Hz. tones must be used.
- B. 1200 Hz. and 2400 Hz. tones must be used.
- C. Any two audio tones may be used, if they are harmonically related.
- D. Any two audio tones may be used, but they must be within the
- transmitter audio passband, and should not be harmonically related.
- #ANSWER:D
- @GENERAL
-
- !119: What can be determined by making a TWO TONE TEST using an
- oscilloscope?
-
- A. The percent of frequency modulation.
- B. The percent of carrier phase shift.
- C. The frequency deviation.
- D. The amplifier linearity.
- #ANSWER:D
- @GENERAL
-
- !120: How can the Grid Current meter in a power amplifier be used as a
- neutralizing indicator?
-
- A. Tune for minimum change in Grid Current as the output circuit is
- changed.
- B. Tune for maximum change in Grid Current as the output circuit is
- changed.
- C. Tune for minimum grid current.
- D. Tune for maximum grid current.
- #ANSWER:A
- @GENERAL
-
- !121: Why is Neutralization in some Vacuum Tube amplifiers necessary?
-
- A. To reduce the limits of loaded Q in practical tuned circuits.
- B. To reduce grid to cathode leakage.
- C. To cancel acid build-up caused by thorium oxide gas.
- D. To cancel oscillation caused by the effects of interelectrode
- capacitance.
- #ANSWER:D
- @GENERAL
-
- !122: How is Neutralization of an RF Amplifier accomplished?
-
- A. By supplying energy from the amplifier output to the input on
- alternate half cycles.
- B. By supplying energy from the amplifier output to the input shifted
- 360 degrees out of phase.
- C. By supplying energy from the amplifier output to the input shifted
- 180 degrees out of phase.
- D. By supplying energy from the amplifier output to the input with a
- proper DC bias.
- #ANSWER:C
- @GENERAL
-
-
- !123: What purpose does a neutralization circuit serve in an RF
- Amplifier?
-
- A. It controls differential gain.
- B. It cancels the effects of positive feedback.
- C. It eliminates circulating currents.
- D. It reduces incidental grid modulation.
- #ANSWER:B
- @GENERAL
-
- !124: What is the reason for neutralizing the final amplifier stage of a
- transmitter?
-
- A. To limit the modulation index.
- B. To eliminate parasitic oscillations.
- C. To cut off the final amplifier during standby periods.
- D. To keep the carrier on frequency.
- #ANSWER:B
- @GENERAL
-
- !125: How can the PEP Output of a transmitter be determined with an
- oscilloscope?
-
- A. Measure peak load voltage across a resistive load with an
- oscilloscope, and calculate, using PEP = [(Vp)(Vp)]/(Rl).
- B. Measure peak load voltage across a resistive load with an
- oscilloscope, and calculate, using PEP = [(0.707 PEV)(0.707 PEV)]/Rl.
- C. Measure peak load voltage across a resistive load with an
- oscilloscope, and calculate, using PEP = (Vp)(Vp)(Rl).
- D. Measure peak load voltage across a resistive load with an
- oscilloscope, and calculate, using PEP = [(1.414 PEV)(1.414 PEV)]/Rl.
- #ANSWER:B
- @GENERAL
-
- !126: What is the Output PEP from a transmitter when an oscilloscope
- shows 200 Volts Peak to Peak across a 50 Ohm resistor connected to
- the transmitter output terminals?
-
- A. 100 watts.
- B. 200 watts.
- C. 400 watts.
- D. 1000 watts.
- #ANSWER:A
- @GENERAL
-
- !127: What is the Output PEP from a transmitter when an oscilloscope
- shows 500 Volts Peak to Peak across a 50 Ohm resistor connected to
- the transmitter output terminals?
-
- A. 500 watts.
- B. 625 watts.
- C. 1250 watts.
- D. 2500 watts.
- #ANSWER:B
- @GENERAL
-
- !128: What is the output PEP from a N0N transmitter when an average
- reading wattmeter connected to the transmitter output terminals
- indicates 1060 watts?
-
- A. 530 watts.
- B. 1060 watts.
- C. 1500 watts.
- D. 2120 watts.
- #ANSWER:B
- @GENERAL
-
- !129: What item of test equipment contains horizontal and vertical
- channel amplifiers?
-
- A. The ohmmeter.
- B. The signal generator.
- C. The ammeter.
- D. The oscilloscope.
- #ANSWER:D
- @GENERAL
-
- !130: What types of signals does an oscilloscope measure?
-
- A. Any time dependent signal within the bandwith capability of the
- instrument.
- B. Blinker light signals from ocean going vessels.
- C. International nautical flag signals.
- D. Signals created by aeronautical flares.
- #ANSWER:A
- @GENERAL
-
- !131: What is an OSCILLOSCOPE?
-
- A. An instrument that displays radiation resistance of an antenna.
- B. An instrument that displays the SWR on a feed line.
- C. An instrument that displays the resistance in a circuit.
- D. An instrument that displays signal waveforms.
- #ANSWER:D
- @GENERAL
-
- !132: What can cause phosphor damage to an oscilloscope CRT?
-
- A. Directly connecting deflection electrodes to the CRT.
- B. Too high an intensity setting.
- C. Overdriving the vertical amplifier.
- D. Improperly adjusted focus.
- #ANSWER:B
- @GENERAL
-
- !133: What is a SIGNAL TRACER?
-
- A. A Directional Finding antenna.
- B. An aid for following schematic diagrams.
- C. A device for detecting signals in a circuit.
- D. A device for drawing signal waveforms.
- #ANSWER:C
- @GENERAL
-
- !134: How is a signal tracer used?
-
- A. To detect the presence of a signal in the various stage of a
- receiver.
- B. To locate a source of interference.
- C. To trace the path of a radio signal through the Ionosphere.
- D. To draw a wave form on paper.
- #ANSWER:A
- @GENERAL
-
- !135: What is a signal tracer normally used for?
-
- A. To identify the source of radio transmissions.
- B. To make exact replicas of signals.
- C. To give a visual indication of standing waves on open-wire feedlines.
- D. To identify an inoperative stage in a radio receiver.
- #ANSWER:D
- @GENERAL
-
- !136: What is the most effective way to reduce or eliminate Radio
- Frequency Interference to home entertainment systems?
-
- A. Install bypass inductors.
- B. Install bypass capacitors.
- C. Install metal oxide varistors.
- D. Install bypass resistors.
- #ANSWER:B
- @GENERAL
-
- !137: What should be done when a properly operating Amateur Radio Station
- is the source of interference to a nearby telephone?
-
- A. Make internal adjustments to the telephone equipment.
- B. Contacting a phone service representative about installing RFI
- filters.
- C. Nothing can be done to cure the interference.
- D. Ground and shield the local telephone distribution amplifier.
- #ANSWER:B
- @GENERAL
-
- !138: What type of sound would be heard from a public address system when
- audio rectification occurs in response to a nearby emission J3E
- transmitter?
-
- A. A steady hum that persists while the transmitter's carrier is on the
- air.
- B. On and Off humming or clicking.
- C. Distorted speech from the transmitter's signals.
- D. Clearly audible speech from the transmitter's signals.
- #ANSWER:C
- @GENERAL
-
- !139: How can the possibility of Audio Rectification occurring be
- minimized?
-
- A. By using a solid state transmitter.
- B. By using CW emission only.
- C. By ensuring all station equipment is properly grounded.
- D. By using AM emission only.
- #ANSWER:C
- @GENERAL
-
- !140: What type of sound would be heard from a public address system when
- audio rectification occurs in response to a nearby emission A3E
- transmitter?
-
- A. Audible, possibly distorted speech from the transmitter signals.
- B. On and Off humming or clicking.
- C. Muffled, distorted speech from the transmitter's signals.
- D. Extremely loud, slightly distorted speech from the transmitter's
- signals.
- #ANSWER:A
- @GENERAL
-
- !141: What is the reason for using a Speech Processor with an emission
- J3E transmitter?
-
- A. A properly adjusted Speech processor reduces average transmitter
- power requirements.
- B. A properly adjusted Speech processor reduces unwanted noise pickup
- from the microphone.
- C. A properly adjusted Speech processor improves voice frequency
- fidelity.
- D. A properly adjusted Speech processor improves signal intelligibility
- at the receiver.
- #ANSWER:D
- @GENERAL
-
- !142: When a transmitter is 100% modulated, will a speech processor
- increase the PEP output?
-
- A. Yes.
- B. No.
- C. It will decrease the transmitter's peak power output.
- D. It will decrease the transmitter's average power output.
- #ANSWER:B
- @GENERAL
-
- !143: Under which band conditions should a Speech Processor not be used?
-
- A. When there is high atmospheric noise on the band.
- B. When the band is crowded.
- C. When the frequency in use is clear.
- D. When the sunspot count is relatively high.
- #ANSWER:C
- @GENERAL
-
- !144: What effect can result from using a Speech Processor with an
- emission J3E transmitter?
-
- A. A properly adjusted Speech processor reduces average transmitter
- power requirements.
- B. A properly adjusted Speech processor reduces unwanted noise pickup
- from the microphone.
- C. A properly adjusted Speech processor improves voice frequency
- fidelity.
- D. A properly adjusted Speech processor improves signal intelligibility
- at the receiver.
- #ANSWER:D
- @GENERAL
-
- !145: At what point in the coaxial line should an electronic T-R switch
- be installed?
-
- A. Between the transmitter and low-pass filter.
- B. Between the low-pass filter and antenna.
- C. Between the antenna and feed point.
- D. Right after the low-pass filter.
- #ANSWER:A
- @GENERAL
-
- !146: Why is an electronic T-R switch preferable to a mechanical one?
-
- A. Greater receiver sensitivity.
- B. Circuit simplicity.
- C. Higher operation speed.
- D. Cleaner output signals.
- #ANSWER:C
- @GENERAL
-
- !147: What station accessory facilitates QSK operation?
-
- A. Oscilloscope.
- B. Audio CW filter.
- C. Antenna relay.
- D. Electronic T/R switch.
- #ANSWER:D
- @GENERAL
-
- !148: What is an antenna NOISE BRIDGE?
-
- A. An instrument for measuring the noise figure of an antenna or other
- electrical circuit.
- B. An instrument for measuring the impedance of an antenna or other
- electrical circuit.
- C. An instrument for measuring solar flux.
- D. An instrument for tuning out noise in a receiver.
- #ANSWER:B
- @GENERAL
-
- !149: How is an antenna NOISE BRIDGE used?
-
- A. It is connected at the antenna feed point, and the noise is read
- directly.
- B. It is connected between a transmitter and an antenna and tuned for
- minimum SWR.
- C. It is connected between a receiver and an unknown impedance and tuned
- for minimum noise.
- D. It is connected between an antenna and a Transmatch and adjusted for
- minimum SWR.
- #ANSWER:C
- @GENERAL
-
- !150: How does the emitted waveform from a properly adjusted emission J3E
- transmitter appear on a monitoring oscilloscope?
-
- A. A vertical line.
- B. A waveform that mirrors the input waveform.
- C. A square wave.
- D. Two loops at right angles.
- #ANSWER:B
- @GENERAL
-
- !151: What is the best instrument for checking transmitted signal quality
- from an emissions A1A/J3E transmitter?
-
- A. A monitor oscilloscope.
- B. A field strength meter.
- C. A sidetone monitor.
- D. A diode probe and an audio amplifier.
- #ANSWER:A
- @GENERAL
-
- !152: What is a MONITORING OSCILLOSCOPE?
-
- A. A device used by the FCC to detect out-of-band signals.
- B. A device used to observe the waveform of a transmitted signal.
- C. A device used to display SSTV signals.
- D. A device used to display signals in a receiver IF stage.
- #ANSWER:B
- @GENERAL
-
- !153: How is a monitoring oscilloscope connected in a station in order to
- check the quality of the transmitted signal?
-
- A. Connect the receiver IF output to the vertical deflection plates of
- the oscilloscope.
- B. Connect the transmitter audio input to the oscilloscope vertical
- input.
- C. Connect a receiving antenna directly to the oscilloscope vertical
- input.
- D. Connect the transmitter output to the vertical deflection plates of
- the oscilloscope.
- #ANSWER:D
- @GENERAL
-
- !154: What is the most appropriate instrument to use when determining
- antenna horizontal radiation patterns?
-
- A. A field strength meter.
- B. A grid-dip meter.
- C. A wave meter.
- D. A vacuum-tube voltmeter.
- #ANSWER:A
- @GENERAL
-
- !155: What is a FIELD-STRENGTH METER?
-
- A. A device for determining the Standing Wave Ratio on a transmission
- line.
- B. A device for checking modulation on the output of a transmitter.
- C. A device for monitoring relative RF output.
- D. A device for increasing the average transmitter output.
- #ANSWER:C
- @GENERAL
-
- !156: What is a simple instrument that can be useful for monitoring
- relative rf output during antenna and transmitter adjustments?
-
- A. A field-strength meter.
- B. An antenna noise bridge.
- C. A multimeter.
- D. A Transmatch.
- #ANSWER:A
- @GENERAL
-
- !157: When the power output from a transmitter is increased by four times
- how should the S-meter reading on a nearby receiver change?
-
- A. Decrease by approximately one S-unit.
- B. Increase by approximately one S-unit.
- C. Increase by approximately four S-units.
- D. Decrease by approximately four S-units.
- #ANSWER:B
- @GENERAL
-
- !158: How many times must the power output from a transmitter change to
- raise the S-meter reading on a nearby receiver from S-8 to S-9?
-
- A. Approximately 2 times.
- B. Approximately 3 times.
- C. Approximately 4 times.
- D. Approximately 5 times.
- #ANSWER:C
- @GENERAL
- % END FILE GO TO GENERAL2