美國呼號考試T級題庫.pdf

1 Second Release January 29 2010 Element 2 Technician Class Question Pool To be Effective July 1 2010 for Examinations With Errata to first release version dated January 4 2010 After the initial release of this question pool January 4 2010 minor changes were made in the wording of questions and answers to correct typos and or clarify meaning The changes incorporated in the text of the pool are reflected in the errata list below Edits and Corrections made to the version released January 4 2010 of the Technician Class Pool T1A05 Capitalized the word Part in the question What is the FCC Part 97 T1A05 Corrected typo in distractor A Any multi stage multi stage satellite T1A06 Capitalized the word Part in the question What is the FCC Part 97 T1A07 Capitalized the word Part in the question What is the FCC Part 97 T1A08 Changed distractor C FCC Rregional Field Office T1A09 Changed distractor C Amateur operators in a local or regional area that whose stations are eligible to be auxiliary or repeater stations T1A09 Changed distractor D FCC Regional Field Office T1A10 Capitalized the word Part in the question What is the FCC Part 97 T1B01 Corrected typo in rules reference 97 2 a 28 T1C03 Struck a word in distractor A Communications incidental to the purposes of the amateur service and to remarks of a personal character T1C06 Changed distractor D From any vessel or craft located in international waters and that is documented or registered in the United States T1C10 Changed wording of the question How soon may you transmit operate a transmitter on an amateur service frequency after you pass the examination elements required for your first amateur radio license T1C10 Changed distractor D You must wait until you receive your license in the mail from the FCC T1C11 Changed the question If your license has expired and is still within the allowable grace period may you continue to transmit operate a transmitter on amateur service frequencies T1D04 Changed distractor D When the music is transmitted above 1280 MHz T1D08 Changed the question When may the control operator of an amateur station accept receive compensation for operating the station T1E01 Changed distractor A Only when the station is transmitting T1E05 Modified distractor B The location of the station transmitting apparatus and antenna structure 2 T1F04 Changed the question and all distractors Which of the following is an acceptable language for use for station identification when operating in a phone sub band A By a phone emission in Any language recognized by the United Nations B By a phone emission in Any language recognized by the ITU C By a phone emission in The English language D By a phone emission in English French or Spanish T1F06 Changed the question Which of the following uses formats of a self assigned indicator is acceptable T2B04 Changed the question What common problem Which of the following common problems might cause you to be able to hear but not access a repeater even when transmitting with the proper offset T2C11 Changed distractor A The check is a count of the number of words or word equivalents in the text portion of the message T3A01 Corrected typo in question What should you do if another operator reports that your stations station s T3A09 Corrected typo in question Which of the following is a common effect T3C02 Corrected typo in distractor C Signals are being reflected by lightning storms in your our area T5B03 Capitalized the first letter of each distractor Oone etc T5B04 Capitalized the first letter of each distractor Oone etc T5C07 Corrected typo in question What is a the usual name T6A01 Changed distractor D Transistor Transformer T6A07 Changed distractor A Switch T6A08 Changed Distractor A Zener diode T6D08 Changed first word of question What Which of the following is used T6D11 Changed first word of question What Which of the following is used T7B04 Inserted a word in the question What is the most likely cause of interference to a non cordless telephone from a nearby transmitter T7B06 Inserted a word in the question What should you do first if someone tells you that your station s transmissions are interfering with their radio or TV reception T7B06 Changed distractor A Make sure that your station is operating functioning properly and that it does not cause interference to your own television T7B10 Inserted a word in the question What might be the problem if you receive a report that your audio signal through the repeater is distorted or unintelligible T8B04 Added words to end of question for clarification Which amateur stations may make contact with an amateur station on the International Space Station using 2 meter and 70 cm band amateur radio frequencies T8B07 Inserted words in the question With regard to satellite communications what is Doppler shift 3 T8B07 Changed wording of distractor C An observed change in signal frequency caused by relative motion between the satellite and the earth station T8C08 Inserted a word in distractor C A label indicating the licensee s name call sign and address must be affixed to the transmitter T8D08 Changed question for clarity Which of the following may be What is included in packet transmissions T8D09 Deleted a word from the question What digital code is used when sending CW in the amateur bands T8D09 Inserted a word in distractor C International Morse T9B06 Changed distractor D A DB 23 Connector T0B01 Changed distractor D Only At all times when the tower exceeds 30 feet in height T0C03 Inserted a word in the question and deleted three words What is the maximum power level that an amateur radio station may use at VHF frequencies above 30 MHz before an RF exposure evaluation is required T0C11 Changed distractor C The ratio of on on air time to off total operating time of a transmitted signal End of Errata The syllabus question pool and associated graphics begin on the next page The QPC wishes to acknowledge and thank the many individuals that contributed their suggestions for new questions or changes for this pool NCVEC Question Pool Committee Roland Anders K3RA Laurel VEC QPC Chairman Tom Fuszard KF9PU MRAC VEC Inc Perry Green WY1O ARRL VEC Larry Pollock NB5X W5YI VEC Jim Wiley KL7CC Anchorage VEC 4 2010 Technician Class Question Pool Syllabus 396 questions in 35 sections SUBELEMENT T1 FCC Rules descriptions and definitions for the amateur radio service operator and station license responsibilities 6 Exam Questions 6 Groups T1A Amateur Radio services purpose of the amateur service amateur satellite service operator primary station license grant where FCC rules are codified basis and purpose of FCC rules meanings of basic terms used in FCC rules T1B Authorized frequencies frequency allocations ITU regions emission type restricted sub bands spectrum sharing transmissions near band edges T1C Operator classes and station call signs operator classes sequential special event and vanity call sign systems international communications reciprocal operation station license licensee places where the amateur service is regulated by the FCC name and address on ULS license term renewal grace period T1D Authorized and prohibited transmissions T1E Control operator and control types control operator required eligibility designation of control operator privileges and duties control point local automatic and remote control location of control operator T1F Station identification and operation standards special operations for repeaters and auxiliary stations third party communications club stations station security FCC inspection SUBELEMENT T2 Operating Procedures 3 Exam Questions 3 Groups T2A Station operation choosing an operating frequency calling another station test transmissions use of minimum power frequency use band plans T2B VHF UHF operating practices SSB phone FM repeater simplex frequency offsets splits and shifts CTCSS DTMF tone squelch carrier squelch phonetics T2C Public service emergency and non emergency operations message traffic handling SUBELEMENT T3 Radio wave characteristics radio and electromagnetic properties propagation modes 3 Exam Questions 3 Groups T3A Radio wave characteristics how a radio signal travels distinctions of HF VHF and UHF fading multipath wavelength vs penetration antenna orientation T3B Radio and electromagnetic wave properties the electromagnetic spectrum wavelength vs frequency velocity of electromagnetic waves T3C Propagation modes line of sight sporadic E meteor aurora scatter tropospheric ducting F layer skip radio horizon 5 SUBELEMENT T4 Amateur radio practices and station setup 2 Exam Questions 2 Groups T4A Station setup microphone speaker headphones filters power source connecting a computer RF grounding T4B Operating controls tuning use of filters squelch AGC repeater offset memory channels SUBELEMENT T5 Electrical principles math for electronics electronic principles Ohm s Law 4 Exam Questions 4 Groups T5A Electrical principles current and voltage conductors and insulators alternating and direct current T5B Math for electronics decibels electronic units and the metric system T5C Electronic principles capacitance inductance current flow in circuits alternating current definition of RF power calculations T5D Ohm s Law SUBELEMENT T6 Electrical components semiconductors circuit diagrams component functions 4 Exam Groups 4 Questions T6A Electrical components fixed and variable resistors capacitors and inductors fuses switches batteries T6B Semiconductors basic principles of diodes and transistors T6C Circuit diagrams schematic symbols T6D Component functions SUBELEMENT T7 Station equipment common transmitter and receiver problems antenna measurements and troubleshooting basic repair and testing 4 Exam Questions 4 Groups T7A Station radios receivers transmitters transceivers T7B Common transmitter and receiver problems symptoms of overload and overdrive distortion interference over and under modulation RF feedback off frequency signals fading and noise problems with digital communications interfaces T7C Antenna measurements and troubleshooting measuring SWR dummy loads feedline failure modes T7D Basic repair and testing soldering use of a voltmeter ammeter and ohmmeter 6 SUBELEMENT T8 Modulation modes amateur satellite operation operating activities non voice communications 4 Exam Questions 4 Groups T8A Modulation modes bandwidth of various signals T8B Amateur satellite operation Doppler shift basic orbits operating protocols T8C Operating activities radio direction finding radio control contests special event stations basic linking over Internet T8D Non voice communications image data digital modes CW packet PSK31 SUBELEMENT T9 Antennas feedlines 2 Exam Groups 2 Questions T9A Antennas vertical and horizontal concept of gain common portable and mobile antennas relationships between antenna length and frequency T9B Feedlines types losses vs frequency SWR concepts matching weather protection connectors SUBELEMENT T0 AC power circuits antenna installation RF hazards 3 Exam Questions 3 Groups T0A AC power circuits hazardous voltages fuses and circuit breakers grounding lightning protection battery safety electrical code compliance T0B Antenna installation tower safety overhead power lines T0C RF hazards radiation exposure proximity to antennas recognized safe power levels exposure to others End of Syllabus 7 SUBELEMENT T1 FCC Rules descriptions and definitions for the amateur radio service operator and station license responsibilities 6 Exam Questions 6 Groups T1A Amateur Radio services purpose of the amateur service amateur satellite service operator primary station license grant where FCC rules are codified basis and purpose of FCC rules meanings of basic terms used in FCC rules T1A01 D 97 3 a 4 For whom is the Amateur Radio Service intended A Persons who have messages to broadcast to the public B Persons who need communications for the activities of their immediate family members relatives and friends C Persons who need two way communications for personal reasons D Persons who are interested in radio technique solely with a personal aim and without pecuniary interest T1A02 C 97 1 What agency regulates and enforces the rules for the Amateur Radio Service in the United States A FEMA B The ITU C The FCC D Homeland Security T1A03 D Which part of the FCC rules contains the rules and regulations governing the Amateur Radio Service A Part 73 B Part 95 C Part 90 D Part 97 T1A04 C 97 3 a 23 Which of the following meets the FCC definition of harmful interference A Radio transmissions that annoy users of a repeater B Unwanted radio transmissions that cause costly harm to radio station apparatus C That which seriously degrades obstructs or repeatedly interrupts a radio communication service operating in accordance with the Radio Regulations D Static from lightning storms T1A05 D 97 3 a 40 What is the FCC Part 97 definition of a space station A Any multi stage satellite B An Earth satellite that carries one of more amateur operators C An amateur station located less than 25 km above the Earth s surface D An amateur station located more than 50 km above the Earth s surface 8 T1A06 C 97 3 a 43 What is the FCC Part 97 definition of telecommand A An instruction bulletin issued by the FCC B A one way radio transmission of measurements at a distance from the measuring instrument C A one way transmission to initiate modify or terminate functions of a device at a distance D An instruction from a VEC T1A07 C 97 3 a 45 What is the FCC Part 97 definition of telemetry A An information bulletin issued by the FCC B A one way transmission to initiate modify or terminate functions of a device at a distance C A one way transmission of measurements at a distance from the measuring instrument D An information bulletin from a VEC T1A08 B 97 3 a 22 Which of the following entities recommends transmit receive channels and other parameters for auxiliary and repeater stations A Frequency Spectrum Manager B Frequency Coordinator C FCC Regional Field Office D International Telecommunications Union T1A09 C 97 3 a 22 Who selects a Frequency Coordinator A The FCC Office of Spectrum Management and Coordination Policy B The local chapter of the Office of National Council of Independent Frequency Coordinators C Amateur operators in a local or regional area whose stations are eligible to be auxiliary or repeater stations D FCC Regional Field Office T1A10 A 97 3 a 5 What is the FCC Part 97 definition of an amateur station A A station in an Amateur Radio Service consisting of the apparatus necessary for carrying on radio communications B A building where Amateur Radio receivers transmitters and RF power amplifiers are installed C Any radio station operated by a non professional D Any radio station for hobby use T1A11 C 97 3 a 7 Which of the following stations transmits signals over the air from a remote receive site to a repeater for retransmission A Beacon station B Relay station C Auxiliary station D Message forwarding station 9 T1B Authorized frequencies frequency allocations ITU regions emission type restricted sub bands spectrum sharing transmissions near band edges T1B01 B 97 3 a 28 What is the ITU A An agency of the United States Department of Telecommunications Management B A United Nations agency for information and communication technology issues C An independent frequency coordination agency D A department of the FCC T1B02 B North American amateur stations are located in which ITU region A Region 1 B Region 2 C Region 3 D Region 4 T1B03 B 97 301 a Which frequency is within the 6 meter band A 49 00 MHz B 52 525 MHz C 28 50 MHz D 222 15 MHz T1B04 A 97 301 a Which amateur band are you using when your station is transmitting on 146 52 MHz A 2 meter band B 20 meter band C 14 meter band D 6 meter band T1B05 C 97 301 a Which 70 cm frequency is authorized to a Technician Class license holder operating in ITU Region 2 A 53 350 MHz B 146 520 MHz C 443 350 MHz D 222 520 MHz T1B06 B 97 301 a Which 23 cm frequency is authorized to a Technician Class operator license A 2315 MHz B 1296 MHz C 3390 MHz D 146 52 MHz 10 T1B07 D 97 301 a What amateur band are you using if you are transmitting on 223 50 MHz A 15 meter band B 10 meter band C 2 meter band D 1 25 meter band T1B08 C 97 303 What do the FCC rules mean when an amateur frequency band is said to be available on a secondary basis A Secondary users of a frequency have equal rights to operate B Amateurs are only allowed to use the frequency at night C Amateurs may not cause harmful interference to primary users D Secondary users are not allowed on amateur bands T1B09 D 97 101 a Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub band A To allow for calibration error in the transmitter frequency display B So that modulation sidebands do not extend beyond the band edge C To allow for transmitter frequency drift D All of these choices are correct T1B10 C 97 305 c Which of the bands available to Technician Class operators have mode restricted sub bands A The 6 meter 2 meter and 70 cm bands B The 2 meter and 13 cm bands C The 6 meter 2 meter and 1 25 meter bands D The 2 meter and 70 cm bands T1B11 A 97 305 a c What emission modes are permitted in the mode restricted sub bands at 50 0 to 50 1 MHz and 144 0 to 144 1 MHz A CW only B CW and RTTY C SSB only D CW and SSB T1C Operator classes and station call signs operator classes sequential special event and vanity call sign systems international communications reciprocal operation station license and licensee places where the amateur service is regulated by the FCC name and address on ULS license term renewal grace period T1C01 C 97 3 a 11 iii Which type of call sign has a single letter in both the prefix and suffix A Vanity B Sequential C Special event D In memoriam 11 T1C02 B Which of the following is a valid US amateur radio station call sign A KMA3505 B W3ABC C KDKA D 11Q1176 T1C03 A 97 117 What types of international communicat