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Questions in US Amateur Radio - Technician 2006

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NameQuestion Study
T0A01What is a commonly accepted value for the lowest voltage that can cause a dangerous electric shock?Start
T0A02What is the lowest amount of electrical current flowing through the human body that is likely to cause death?Start
T0A03What is connected to the green wire in a three-wire electrical plug?Start
T0A04What is the purpose of a fuse in an electrical circuit?Start
T0A05What might happen if you install a 20-ampere fuse in your transceiver in the place of a 5-ampere fuse?Start
T0A06What is a good way to guard against electrical shock at your station?Start
T0A07What is the most important thing to consider when installing an emergency disconnect switch at your station?Start
T0A08What precautions should be taken when a lightning storm is expected?Start
T0A09What is one way to recharge a 12-volt battery if the commercial power is out?Start
T0A10What kind of hazard is presented by a conventional 12-volt storage battery?Start
T0A11What can happen if a storage battery is charged or discharged too quickly?Start
T0A12What is the most important reason to have a lightning protection system for your amateur radio station?Start
T0A13What kind of hazard might exist in a power supply when it is turned off and disconnected?Start
T0B01Why should you wear a hard hat and safety glasses if you are on the ground helping someone work on an antenna tower?Start
T0B02What is a good precaution to observe before climbing an antenna tower?Start
T0B03What should you do before you climb a tower?Start
T0B04What is an important consideration when putting up an antenna?Start
T0B05What must be considered when erecting an antenna near an airport?Start
T0B06What is the most important safety precaution to observe when putting up an antenna tower?Start
T0B07How should the guy wires for an antenna tower be installed?Start
T0B08What is a safe distance from a power line to allow when installing an antenna?Start
T0B09What is the most important safety rule to remember when using a crank-up tower?Start
T0B10Why is stainless steel hardware used on many antennas instead of other metals?Start
T0B11What is considered to be an adequate ground for a tower?Start
T0C01What type of radiation are VHF and UHF radio signals?Start
T0C02When can radio waves cause injury to the human body?Start
T0C03What is the maximum power level that an amateur radio station may use at frequencies above 30 MHz before an RF exposure evaluation is required?Start
T0C04What factors affect the RF exposure of people near an amateur transmitter?Start
T0C05Why must the frequency of an RF source be considered when evaluating RF radiation exposure?Start
T0C06How can you determine that your station complies with FCC RF exposure regulations?Start
T0C07What could happen if a person accidentally touched your antenna while you were transmitting?Start
T0C08What action might amateur operators take to prevent exposure to RF radiation in excess of FCC supplied limits?Start
T0C09How can you make sure your station stays in compliance with RF safety regulations?Start
T0C10Which of the following units of measurement is used to measure RF radiation exposure?Start
T0C11Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?Start
T1A01Who is an amateur operator as defined in Part 97?Start
T1A02What is one of the basic purposes of the Amateur Radio Service as defined in Part 97?Start
T1A03What classes of US amateur radio licenses may currently be earned by examination?Start
T1A04Who is a Volunteer Examiner?Start
T1A05How long is a CSCE valid for license upgrade purposes?Start
T1A06How many and what class of Volunteer Examiners are required to administer an Element 2 Technician written exam?Start
T1A07Who makes and enforces the rules for the Amateur Radio Service in the United States?Start
T1A08What are two of the five fundamental purposes for the Amateur Radio Service?Start
T1A09What is the definition of an amateur radio station?Start
T1A10What is a transmission called that disturbs other communications?Start
T1B01What is the ITU?Start
T1B02What is the purpose of ITU Regions?Start
T1B03What system does the FCC use to select new amateur radio call signs?Start
T1B04What FCC call sign program might you use to obtain a call sign containing your initials?Start
T1B05How might an amateur radio club obtain a club station call sign?Start
T1B06Who is eligible to apply for temporary use of a 1-by-1 format Special Event call sign?Start
T1B07When are you allowed to operate your amateur station in a foreign country?Start
T1B08Which of the following call signs is a valid US amateur call?Start
T1B09What letters must be used for the first letter in US amateur call signs?Start
T1B10What numbers are used in US amateur call signs?Start
T1C01What is required before you can control an amateur station in the US?Start
T1C02Where does a US amateur license allow you to transmit?Start
T1C03Under what conditions are amateur stations allowed to communicate with stations operating in other radio services?Start
T1C04Which frequency is within the 6-meter band?Start
T1C05Which amateur band are you using when transmitting on 146.52 MHz?Start
T1C06Which 70-centimeter frequency is authorized to a Technician class license holder operating in ITU Region 2?Start
T1C07Which 23 centimeter frequency is authorized to a Technician class license holder operating in ITU Region 2?Start
T1C08What amateur band are you using if you are operating on 223.50 MHz?Start
T1C09What do the FCC rules mean when an amateur frequency band is said to be available on a secondary basis?Start
T1C10When may a US amateur operator communicate with an amateur in a foreign country?Start
T1C11Which of the following types of communications are not permitted in the Amateur Radio Service?Start
T1D01Which of the following services are issued an operator station license by the FCC?Start
T1D02Who can become an amateur licensee in the US?Start
T1D03What is the minimum age required to hold an amateur license?Start
T1D04What government agency grants your amateur radio license?Start
T1D05How soon may you transmit after passing the required examination elements for your first amateur radio license?Start
T1D06What is the normal term for an amateur station license grant?Start
T1D07What is the grace period during which the FCC will renew an expired 10-year license without re-examination?Start
T1D08What is your responsibility as a station licensee?Start
T1D09When may the FCC revoke or suspend a license if the mailing address of the holder is not current with the FCC?Start
T1D10The FCC requires which address to be kept up to date on the Universal Licensing System database?Start
T1D11When are you permitted to continue to transmit if you forget to renew your amateur license and it expires?Start
T1D12Why must an Amateur radio operator have a correct name and mailing address on file with the FCC?Start
T2A01When is an amateur station authorized to transmit information to the general public?Start
T2A03When is the transmission of codes or ciphers allowed to hide the meaning of a message transmitted by an amateur station?Start
T2A04When may an amateur station transmit false or deceptive signals?Start
T2A05When may an amateur station transmit unidentified communications?Start
T2A06What does the term broadcasting mean?Start
T2A07Which of the following are specifically prohibited in the Amateur Radio Service?Start
T2A08Which of the following one-way communications may not be transmitted in the Amateur Radio Service?Start
T2A09When does the FCC allow an amateur radio station to be used as a method of communication for hire or material compensation?Start
T2A10What type of communications are prohibited when using a repeater autopatch?Start
T2A11When may you use your station to tell people about equipment you have for sale?Start
T2B01What must you transmit to identify your amateur station?Start
T2B02What is a transmission called that does not contain a station identification?Start
T2B03How often must an amateur station transmit the assigned call sign?Start
T2B04What is an acceptable method of transmitting a repeater station identification?Start
T2B05What identification is required when two amateur stations end communications?Start
T2B06What is the longest period of time an amateur station can operate without transmitting its call sign?Start
T2B07What is a permissible way to identify your station when you are speaking to another amateur operator using a language other than English?Start
T2B08How often must you identify using your assigned call sign when operating while using a special event call sign?Start
T2B09What is required when using one or more self-assigned indicators with your assigned call sign?Start
T2B10What is the correct way to identify when visiting a station if you hold a higher class license than that of the station licensee and you are using a frequency not authorized to his class of license?Start
T2B11When exercising the operating privileges earned by examination upgrade of a license what is meant by use of the indicator "/AG"?Start
T2C01What must every amateur station have when transmitting?Start
T2C02How many amateur operator / primary station licenses may be held by one person?Start
T2C03What minimum class of amateur license must you hold to be a control operator of a repeater station?Start
T2C04Who is responsible for the transmissions from an amateur station?Start
T2C05When must an amateur station have a control operator?Start
T2C06What is the control point of an amateur station?Start
T2C07What type of amateur station does not require a control operator to be at the control point?Start
T2C08What are the three types of station control permitted and recognized by FCC rule?Start
T2C09What type of control is being used on a repeater when the control operator is not present?Start
T2C10What type of control is being used when transmitting using a handheld radio?Start
T2C11What type of control is used when the control operator is not at the station location but can still make changes to a transmitter?Start
T2C12What is the definition of a control operator of an amateur station?Start
T2D01Who is responsible for proper operation if you transmit from another amateur's station?Start
T2D02What operating privileges are allowed when another amateur holding a higher class license is controlling your station?Start
T2D03What operating privileges are allowed when you are the control operator at the station of another amateur who has a higher class license than yours?Start
T2D04Which of the following is a prohibited amateur radio transmission?Start
T2D05What is the definition of third-party communications?Start
T2D06How many persons are required to be members of a club for a club station license to be issued by the FCC?Start
T2D07When may you operate your amateur station aboard an aircraft?Start
T2D08When is the FCC allowed to inspect your station equipment and station records?Start
T2D09How might you best keep unauthorized persons from using your amateur station?Start
T2D10Why are unlicensed persons in your family not allowed to transmit on your amateur station if you are not there?Start
T2D11When is it permissible for the control operator of a club station to accept compensation for sending information bulletins or Morse code practice?Start
T3A01Which of the following should you do when selecting a frequency on which to transmit?Start
T3A02How do you call another station on a repeater if you know the station's call sign?Start
T3A03How do you indicate you are looking for any station with which to make contact?Start
T3A04What should you transmit when responding to a call of CQ?Start
T3A05What term describes a brief test transmission that does not include any station identification?Start
T3A06What must an amateur do when making a transmission to test equipment or antennas?Start
T3A07Which of the following is true when making a test transmission?Start
T3A08What is the meaning of the procedural signal "CQ"?Start
T3A09Why should you avoid using cute phrases or word combinations to identify your station?Start
T3A10What brief statement is often used in place of "CQ" to indicate that you are listening for calls on a repeater?Start
T3A11Why should you use the International Telecommunication Union (ITU) phonetic alphabet when identifying your station?Start
T3B01What is a band plan?Start
T3B02Which of the following statements is true of band plans?Start
T3B03Who developed the band plans used by amateur radio operators?Start
T3B04Who is in charge of the repeater frequency band plan in your local area?Start
T3B05What is the main purpose of repeater coordination?Start
T3B06Who is accountable if a repeater station inadvertently retransmits communications that violate FCC rules?Start
T3B07Which of these statements is true about legal power levels on the amateur bands?Start
T3B08Which of the bands available to Technician class licensees have mode restricted sub-bands?Start
T3B09What emission modes are permitted in the restricted sub-band at 50.0-50.1 MHz?Start
T3B10What emission modes are permitted in the restricted sub-band at 144.0-144.1 MHz?Start
T3C01What is the proper way to break into a conversation between two stations that are using the frequency?Start
T3C02What is considered to be proper repeater operating practice?Start
T3C03What should you do before responding to another stations call?Start
T3C04What rule applies if two amateur stations want to use the same frequency?Start
T3C05Why is indecent and obscene language prohibited in the Amateur Service?Start
T3C06Why should amateur radio operators avoid the use of racial or ethnic slurs when talking to other stations?Start
T3C07What should you do if you hear a newly licensed operator that is having trouble with their station?Start
T3C08Where can an official list be found of prohibited obscene and indecent words that should not be used in amateur radio?Start
T3C09What type of subjects are not prohibited communications while using amateur radio?Start
T3C10When circumstances are not specifically covered by FCC rules, what general operating standard must be applied to amateur station operation?Start
T3D01What should you do if you receive a report that your transmissions are causing splatter or interference on nearby frequencies?Start
T3D02Who is responsible for taking care of the interference if signals from your transmitter are causing front end overload in your neighbor's television receiver?Start
T3D03What is the major cause of telephone interference?Start
T3D04What is the proper course of action if you unintentionally interfere with another station?Start
T3D05When may you deliberately interfere with another station's communications?Start
T3D06Who has exclusive use of a specific frequency when the FCC has not declared a communication emergency?Start
T3D07What effect might a break in a cable television transmission line have on amateur communications?Start
T3D08What is the best way to reduce on the air interference when testing your transmitter?Start
T3D09What rules apply to your station when using amateur radio at the request of public service officials or at the scene of an emergency?Start
T3D10What do RACES and ARES have in common?Start
T3D11What is meant by receiver front-end overload?Start
T4A01Electrical current is measured in which of the following units?Start
T4A02Electrical Power is measured in which of the following units?Start
T4A03What is the name for the flow of electrons in an electric circuit?Start
T4A04What is the name of a current that flows only in one direction?Start
T4A05What is the standard unit of frequency?Start
T4A06How much voltage does an automobile battery usually supply?Start
T4A07What is the basic unit of resistance?Start
T4A08What is the name of a current that reverses direction on a regular basis?Start
T4A09Which of the following is a good electrical conductor?Start
T4A10Which of the following is a good electrical insulator?Start
T4A11What is the term used to describe opposition to current flow in ordinary conductors such as wires?Start
T4A12What instrument is used to measure the flow of current in an electrical circuit?Start
T4A13What instrument is used to measure Electromotive Force (EMF) between two points such as the poles of a battery?Start
T4B01What is the name for the distance a radio wave travels during one complete cycle?Start
T4B02What term describes the number of times that an alternating current flows back and forth per second?Start
T4B03What does 60 hertz (Hz) mean?Start
T4B04Electromagnetic waves that oscillate more than 20,000 times per second as they travel through space are generally referred to as what?Start
T4B05How fast does a radio wave travel through space?Start
T4B06How does the wavelength of a radio wave relate to its frequency?Start
T4B07What is the formula for converting frequency to wavelength in meters?Start
T4B08What are sound waves in the range between 300 and 3000 Hertz called?Start
T4B09What property of a radio wave is often used to identify the different bands amateur radio operators use?Start
T4B10What is the frequency range of the 2 meter band in the United States?Start
T4B11What is the frequency range of the 6 meter band in the United States?Start
T4B12What is the frequency range of the 70 centimeter band in the United States?Start
T4C01What is used to convert radio signals into sounds we can hear?Start
T4C02What is used to convert sounds from our voice into radio signals?Start
T4C03What two devices are combined into one unit in a transceiver?Start
T4C04What device is used to convert the alternating current from a wall outlet into low-voltage direct current?Start
T4C05What device is used to increase the output of a 10 watt radio to 100 watts?Start
T4C06Which of the battery types listed below offers the longest life when used with a hand-held radio, assuming each battery is the same physical size?Start
T4C07What is the nominal voltage per cell of a fully charged nickel-cadmium battery?Start
T4C08What battery type on this list is not designed to be re-charged?Start
T4C09What is required to keep rechargeable batteries in good condition and ready for emergencies?Start
T4C10What is the best way to get the most amount of energy from a battery?Start
T4D01What formula is used to calculate current in a circuit?Start
T4D02What formula is used to calculate voltage in a circuit?Start
T4D03What formula is used to calculate resistance in a circuit?Start
T4D04What is the resistance of a circuit when a current of 3 amperes flows through a resistor connected to 90 volts?Start
T4D05What is the resistance in a circuit where the applied voltage is 12 volts and the current flow is 1.5 amperes?Start
T4D06What is the current flow in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?Start
T4D07What is the voltage across the resistor if a current of 0.5 amperes flows through a 2 ohm resistor?Start
T4D08What is the voltage across the resistor if a current of 1 ampere flows through a 10 ohm resistor?Start
T4D09What is the voltage across the resistor if a current of 2 amperes flows through a 10 ohm resistor?Start
T4D10What is the current flowing through a 100 ohm resistor connected across 200 volts?Start
T4D11What is the current flowing through a 24 ohm resistor connected across 240 volts?Start
T4E01What unit is used to describe electrical power?Start
T4E02What is the formula used to calculate electrical power in a DC circuit?Start
T4E03How much power is represented by a voltage of 13.8 volts DC and a current of 10 amperes?Start
T4E04How much power is being used in a circuit when the voltage is 120 volts DC and the current is 2.5 amperes?Start
T4E05How can you determine how many watts are being drawn by your transceiver when you are transmitting?Start
T4E06How many amperes are flowing in a circuit when the applied voltage is 120 volts DC and the load is 1200 watts?Start
T4E07How many milliamperes is the same as 1.5 amperes?Start
T4E08What is another way to specify the frequency of a radio signal that is oscillating at 1,500,000 Hertz?Start
T4E09How many volts are equal to one kilovolt?Start
T4E10How many volts are equal to one microvolt?Start
T4E11How many watts does a hand-held transceiver put out if the output power is 500 milliwatts?Start
T5A01What does a microphone connect to in a basic amateur radio station?Start
T5A02Which piece of station equipment converts electrical signals to sound waves?Start
T5A03What is the term used to describe what happens when a microphone and speaker are too close to each other?Start
T5A04What could you use in place of a regular speaker to help you copy signals in a noisy area?Start
T5A05What is a good reason for using a regulated power supply for communications equipment?Start
T5A06Where must a filter be installed to reduce spurious emissions?Start
T5A07What type of filter should be connected to a TV receiver as the first step in trying to prevent RF overload from a nearby 2-meter transmitter?Start
T5A08What is connected between the transceiver and computer terminal in a packet radio station?Start
T5A09Which of these items is not required for a packet radio station?Start
T5A10What can be used to connect a radio with a computer for data transmission?Start
T5B01What may happen if a transmitter is operated with the microphone gain set too high?Start
T5B02What kind of information may a VHF/UHF transceiver be capable of storing in memory?Start
T5B03What is one way to select a frequency on which to operate?Start
T5B04What is the purpose of the squelch control on a transceiver?Start
T5B05What is a way to enable quick access to a favorite frequency on your transceiver?Start
T5B06What might you do to improve the situation if the station you are listening to is hard to copy because of ignition noise interference?Start
T5B07What is the purpose of the buttons labeled "up" and "down" on many microphones?Start
T5B08What is the purpose of the "shift" control found on many VHF/UHF transceivers?Start
T5B09What does RIT mean?Start
T5B10What is the purpose of the "step" menu function found on many transceivers?Start
T5B11What is the purpose of the "function" or "F" key found on many transceivers?Start
T5C01What is one purpose of a repeater?Start
T5C02What is a courtesy tone?Start
T5C03Which of the following is the most important information to know before using a repeater?Start
T5C04Why should you pause briefly between transmissions when using a repeater?Start
T5C05What is the most common input/output frequency offset for repeaters in the 2-meter band?Start
T5C06What is the most common input/output frequency offset for repeaters in the 70-centimeter band?Start
T5C07What is meant by the terms input and output frequency when referring to repeater operations?Start
T5C08What is the meaning of the term simplex operation?Start
T5C09What is a reason to use simplex instead of a repeater?Start
T5C10How might you find out if you could communicate with a station using simplex instead of a repeater?Start
T5C11What is the term for a series of repeaters that can be connected to one another to provide users with a wider coverage?Start
T5C12What is the main reason repeaters should be approved by the local frequency coordinator before being installed?Start
T5C13Which of the following statements regarding use of repeaters is true?Start
T5C14What term is used to describe a repeater when use is restricted to the members of a club or group?Start
T5D02Which of the following is NOT a cause of radio frequency interference?Start
T5D03What is the most likely cause of telephone interference from a nearby transmitter?Start
T5D04What is a logical first step when attempting to cure a radio frequency interference problem in a nearby telephone?Start
T5D05What should you do first if someone tells you that your transmissions are interfering with their TV reception?Start
T5D07Which of the following may be useful in correcting a radio frequency interference problem?Start
T5D08What is the proper course of action to take when a neighbor reports that your radio signals are interfering with something in his home?Start
T5D09What should you do if a "Part 15" device in your neighbor's home is causing harmful interference to your amateur station?Start
T5D10What could be happening if another operator tells you he is hearing a variable high-pitched whine on the signals from your mobile transmitter?Start
T5D11What may be the problem if another operator reports that your SSB signal is very garbled and breaks up?Start
T5D12What might be the problem if you receive a report that your signal through the repeater is distorted or weak?Start
T5D13What is one of the reasons to use digital signals instead of analog signals to communicate with another station?Start
T6A01What are phone transmissions?Start
T6A02Which of the following is a form of amplitude modulation?Start
T6A03What name is given to an amateur radio station that is used to connect other amateur stations to the Internet?Start
T6A04Which type of voice modulation is most often used for long distance and weak signal contacts on the VHF and UHF bands?Start
T6A05Which type of modulation is most commonly used for VHF and UHF voice repeaters?Start
T6A06Which emission type has the narrowest bandwidth?Start
T6A07Which sideband is normally used for VHF and UHF SSB communications?Start
T6A08What is the primary advantage of single sideband over FM for voice transmissions?Start
T6A09What is the approximate bandwidth of a single-sideband voice signal?Start
T6A10What is the approximate bandwidth of a frequency-modulated voice signal?Start
T6A11What is the normal bandwidth required for a conventional fast-scan TV transmission using combined video and audio on the 70-centimeter band?Start
T6B01How is information transmitted between stations using Echolink?Start
T6B02What does the abbreviation IRLP mean?Start
T6B03Who may operate on the Echolink system?Start
T6B04What technology do Echolink and IRLP have in common?Start
T6B05What method is used to transfer data by IRLP?Start
T6B06What does the term IRLP describe?Start
T6B07Which one of the following allows computer-to-radio linking for voice transmission?Start
T6B08What are you listening to if you hear a brief tone and then a station from Russia calling CQ on a 2-meter repeater?Start
T6B10Where might you find a list of active nodes using VoIP?Start
T6B11When using a portable transceiver how do you select a specific IRLP node?Start
T6C01Which of the following is an example of a digital communications method?Start
T6C02What does the term APRS mean?Start
T6C03What item is required along with your normal radio for sending automatic location reports?Start
T6C04What type of transmission is indicated by the term NTSC?Start
T6C05What emission mode may be used by a Technician class operator in the 219 - 220 MHz frequency range?Start
T6C06What does the abbreviation PSK mean?Start
T6C07What is PSK31?Start
T6C08What sending speed is recommended when using Morse code?Start
T6C09What is a practical reason for being able to copy CW when using repeaters?Start
T6C10What is the "Q" signal used to indicate that you are receiving interference from other stations?Start
T6C11What is the "Q" signal used to indicate that you are changing frequency?Start
T7A01What is a good thing to have when operating a hand-held transceiver away from home?Start
T7A02Which of these items would probably not be very useful to include in an emergency response kit?Start
T7A03How can you make the signal from a hand-held radio stronger when operating in the field?Start
T7A04What would be a good thing to have when operating from a location that includes lots of crowd noise?Start
T7A05What is a method used to locate sources of noise interference or jamming?Start
T7A06Which of these items would be the most useful for a hidden transmitter hunt?Start
T7A07What is a popular operating activity that involves contacting as many stations as possible during a specified period of time?Start
T7A09What is a grid locator?Start
T7A10What is a special event station?Start
T7A11What is the maximum power allowed when transmitting telecommand signals to radio controlled models?Start
T7A12What is the station identification requirement when sending commands to a radio control model using amateur frequencies?Start
T7B01What class of license is required to use amateur satellites?Start
T7B02How much power should you use to transmit when using an amateur satellite?Start
T7B03What is something you can do when using an amateur radio satellite?Start
T7B04Who may make contact with an astronaut on the International Space Station using amateur radio frequencies?Start
T7B05What is a satellite beacon?Start
T7B06What should you use to determine when you can access an amateur satellite?Start
T7B07What is Doppler shift?Start
T7B08What is the name of the group that coordinates the building and/or launch of the largest number of amateur radio satellites?Start
T7B09What is a satellite sub-band?Start
T7B10What is the satellite sub-band on 70-CM?Start
T7B11What do the initials LEO tell you about an amateur satellite?Start
T8A01What information is included in an FCC declaration of a temporary state of communication emergency?Start
T8A02Under what conditions are amateur stations allowed to communicate with stations operating in other radio services?Start
T8A03What should you do if you are in contact with another station and an emergency call is heard?Start
T8A04What are the restrictions on amateur radio communications after the FCC has declared a communications emergency?Start
T8A05What is one reason for using tactical call signs such as "command post" or "weather center" during an emergency?Start
T8A06What is legally required to restrict a frequency to emergency-only communication?Start
T8A07Who has the exclusive use of a frequency if the FCC has not declared a communication emergency?Start
T8A08What should you do if you hear someone reporting an emergency?Start
T8A09What is an appropriate way to initiate an emergency call on amateur radio?Start
T8A10What are the penalties for making a false emergency call?Start
T8A11What type of communications has priority at all times in the Amateur Radio Service?Start
T8A12When must priority be given to stations providing emergency communications?Start
T8B01What can you do to be prepared for an emergency situation where your assistance might be needed?Start
T8B02When may you use your amateur station to transmit a "SOS" or "MAYDAY" signal?Start
T8B03What is the primary function of RACES in relation to emergency activities?Start
T8B04What is the primary function of ARES in relation to emergency activities?Start
T8B05What organization must you register with before you can participate in RACES activities?Start
T8B06What is necessary before you can join an ARES group?Start
T8B07What could be used as an alternate source of power to operate radio equipment during emergencies?Start
T8B08When can you use non-amateur frequencies or equipment to call for help in a situation involving immediate danger to life or property?Start
T8B09Why should casual conversation between stations during a public service event be avoided?Start
T8B10What should you do if a reporter asks to use your amateur radio transceiver to make a news report?Start
T8B11When can you use a modified amateur radio transceiver to transmit on the local fire department frequency?Start
T8C01Which type of traffic has the highest priority?Start
T8C02What type of messages should not be transmitted over amateur radio frequencies during emergencies?Start
T8C03What should you do to minimize disruptions to an emergency traffic net once you have checked in?Start
T8C04What is one thing that must be included when passing emergency messages?Start
T8C05What is one way to reduce the chances of casual listeners overhearing sensitive emergency traffic?Start
T8C06What is of primary importance for a net control station?Start
T8C07What should the net control station do if someone breaks in with emergency traffic?Start
T8C08What should you do if a large scale emergency has just occurred and no net control station is available?Start
T8C09What is the preamble of a message?Start
T8C10What is meant by the term "check" in reference to a message?Start
T8C11What is the recommended guideline for the maximum number of words to be included in the text of an emergency message?Start
T9A01What is a beam antenna?Start
T9A02What is an antenna that consists of a single element mounted perpendicular to the Earth's surface?Start
T9A03What type of antenna is a simple dipole mounted so the elements are parallel to the Earth's surface?Start
T9A04What is a disadvantage of the "rubber duck" antenna supplied with most hand held radio transceivers?Start
T9A05How does the physical size of half-wave dipole antenna change with operating frequency?Start
T9A06What is the advantage of 5/8 wavelength over 1/4 wavelength vertical antennas?Start
T9A07What is the primary purpose of a dummy load?Start
T9A08What type of antennas are the quad, Yagi, and dish?Start
T9A09What is one type of antenna that offers good efficiency when operating mobile and can be easily installed or removed?Start
T9A10What is a good reason not to use a "rubber duck" antenna inside your car?Start
T9A11What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?Start
T9A12What is the approximate length, in inches, of a 6-meter 1/2 wavelength wire dipole antenna?Start
T9B01Why are VHF/UHF signals not normally heard over long distances?Start
T9B02What might be happening when we hear a VHF signal from long distances?Start
T9B03What is the most likely cause of sudden bursts of tones or fragments of different conversations that interfere with VHF or UHF signals?Start
T9B04What is the radio horizon?Start
T9B05What should you do if a station reports that your signals were strong just a moment ago, but now they are weak or distorted?Start
T9B06Why do UHF signals often work better inside of buildings than VHF signals?Start
T9B07What is a good thing to remember when using your hand-held VHF or UHF radio to reach a distant repeater?Start
T9B08What can happen if the antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?Start
T9B09What might be a way to reach a distant repeater if buildings or obstructions are blocking the direct line of sight path?Start
T9B10What term is commonly used to describe the rapid fluttering sound sometimes heard from mobile stations that are moving while transmitting?Start
T9B11Why do VHF and UHF Radio signals usually travel about a third farther than the visual line of sight distance between 2 stations?Start
T9C01What, in general terms, is standing wave ratio (SWR)?Start
T9C02What reading on a SWR meter indicates a perfect impedance match between the antenna and the feed line?Start
T9C03What might be indicated by erratic changes in SWR readings?Start
T9C04What is the SWR value where the protection circuits in most solid-state transmitters begin to reduce transmitter power?Start
T9C05What happens to the power lost in a feed line?Start
T9C06What instrument other than a SWR meter could you use to determine if your feedline and antenna are properly matched?Start
T9C07What is the most common reason for failure of coaxial cables?Start
T9C08Why is it important to have a low SWR in an antenna system that uses coaxial cable feedline?Start
T9C09What can happen to older coaxial cables that are exposed to weather and sunlight for several years?Start
T9C10Why is the outer sheath of most coaxial cables black in color?Start
T9C11What is the impedance of the most commonly used coaxial cable in typical amateur radio installations?Start
T9C12Why is coaxial cable used more often than any other feed line for amateur radio antenna systems?Start