2006 Technician Class License Question Pool
35 Exam questions
T1A01 (A) [97.3(a)(1)]
Who is an amateur operator as defined in Part 97?
A. A person named in an amateur operator/primary license grant in the FCC ULS database
T1A02 (B) [97.1]
What is one of the basic purposes of the Amateur Radio Service as defined in Part 97?
B. To provide a voluntary noncommercial communications service to the public, particularly in times of emergency
T1A03 (C) [97.501]
What classes of
C. Technician, General, Extra
T1A04 (C) [97.509(b)]
Who is a Volunteer Examiner?
C. An amateur accredited by one or more VECs who volunteers to administer amateur license exams
T1A05 (A) [97.505(a)(6)]
How long is a CSCE valid for license upgrade purposes?
A. 365 days
T1A06 (D) [97.509(a)(b)(3)(i)]
How many and what class of Volunteer Examiners are required to administer an Element 2 Technician written exam?
D. Three Examiners holding a General Class license or higher
T1A07 (B) [97.5]
Who makes and enforces the rules for the Amateur Radio Service in the
B. The Federal Communications Commission
T1A08 (D) [97.1]
What are two of the five fundamental purposes for the Amateur Radio Service?
D. To increase the number of trained radio operators and electronics experts, and improve international goodwill
T1A09 (D) [97.3(a)(5)]
What is the definition of an amateur radio station?
D. A station in an Amateur Radio Service consisting of the apparatus necessary for carrying on radio communications
T1A10 (B) [97.3(A)(23)]
What is a transmission called that disturbs other communications?
B. Harmful interference
T1B01 (C) [97.3(a)(28)]
What is the ITU?
C. The International Telecommunication
T1B02 (A) [97.301]
What is the purpose of ITU Regions?
A. They are used to assist in the management of frequency allocations
T1B03 (C) [97.17(d)]
What system does the FCC use to select new amateur radio call signs?
C. Call signs are assigned in sequential order
T1B04 (A) [97.19(d)]
What FCC call sign program might you use to obtain a call sign containing your initials?
A. The vanity call sign program
T1B05 (B) [97.17(b)(2)]
How might an amateur radio club obtain a club station call sign?
B. By applying through a Club Station Call Sign Administrator
T1B06 (C)
Who is eligible to apply for temporary use of a 1-by-1 format Special Event call sign?
C. Any FCC-licensed amateur
T1B07 (A) [97.107]
When are you allowed to operate your amateur station in a foreign country?
A. When there is a reciprocal operating agreement between the countries
T1B08 (C)
Which of the following call signs is a valid
C. KB3TMJ
T1B09 (B)
What letters must be used for the first letter in US amateur call signs?
B. A, K, N and W
T1B10 (D)
What numbers are used in US amateur call signs?
D. A single digit, 0 through 9
T1C01 (C) [97.5(a)]
What is required before you can control an amateur station in the
C. You must be named in the FCC amateur license database, or be an alien with reciprocal operating authorization
T1C02 (B) [97.5(a)]
Where does a
B. From wherever the Amateur Radio Service is regulated by the FCC and where reciprocal agreements are in place
T1C03 (B) [97.111]
Under what conditions are amateur stations allowed to communicate with stations operating in other radio services?
B. When authorized by the FCC
T1C04 (B) [97.301(a)]
Which frequency is within the 6-meter band?
B. 52.525 MHz
T1C05 (A) [97.301(a)]
Which amateur band are you using when transmitting on 146.52 MHz?
A. 2 meter band
T1C06 (C) [97.301(a)]
Which 70-centimeter frequency is authorized to a Technician class license holder operating in ITU Region 2?
C. 443.350 MHz
T1C07 (B) [97.301(a)]
Which 23 centimeter frequency is authorized to a Technician class license holder operating in ITU Region 2?
B. 1296 MHz
T1C08 (D) [97.301(a)]
What amateur band are you using if you are operating on 223.50 MHz?
D. 1.25 meter band
T1C09 (C) [97.303]
What do the FCC rules mean when an amateur frequency band is said to be available on a secondary basis?
C. Amateurs may not cause harmful interference to primary users
T1C10 (D) [97.111]
When may a
D. At any time unless prohibited by either government
T1C11 (D) [97.113(a)(5)]
Which of the following types of communications are not permitted in the Amateur Radio Service?
D. Communications on a regular basis that could reasonably be furnished alternatively through other radio services
T1D01 (B) [97.17(a)]
Which of the following services are issued an operator station license by the FCC?
B. Amateur Radio Service
T1D02 (A) [97.5(b)(1)]
Who can become an amateur licensee in the
A. Anyone except a representative of a foreign government
T1D03 (D) [97.5(b)(1)]
What is the minimum age required to hold an amateur license?
D. There is no minimum age requirement
T1D04 (D) [97.5(a)]
What government agency grants your amateur radio license?
D. The Federal Communications Commission
T1D05 (C) [97.5(a)]
How soon may you transmit after passing the required examination elements for your first amateur radio license?
C. As soon as your license grant appears in the FCC's ULS database
T1D06 (C) [97.25(a)]
What is the normal term for an amateur station license grant?
C. 10 years
T1D07 (A) [97.21(b)]
What is the grace period during which the FCC will renew an expired 10-year license without re-examination?
A. 2 years
T1D08 (D) [97.103(a)]
What is your responsibility as a station licensee?
D. Your station must be operated in accordance with the FCC rules
T1D09 (A) [97.23]
When may the FCC revoke or suspend a license if the mailing address of the holder is not current with the FCC?
A. If mail is returned to the FCC as undeliverable
T1D10 (B) [97.23]
The FCC requires which address to be kept up to date on the Universal Licensing System database?
B. The station licensee mailing address
T1D11 (A) [97.21(b)]
When are you permitted to continue to transmit if you forget to renew your amateur license and it expires?
A. Transmitting is not allowed until the license is renewed and appears on the FCC ULS database
T1D12 (A) [97.23]
Why must an Amateur radio operator have a correct name and mailing address on file with the FCC?
A. To receive mail delivery from the FCC by the United States Postal Service
T2A01 (A) [97.113(b)]
When is an amateur station authorized to transmit information to the general public?
A. Never
T2A03 (C) [97.113(a)(4), 97.211(b), 97.217]
When is the transmission of codes or ciphers allowed to hide the meaning of a message transmitted by an amateur station?
C. Only when transmitting control commands to space stations or radio control craft
T2A04 (A) [97.113(a)(4)]
When may an amateur station transmit false or deceptive signals?
A. Never
T2A05 (C) [97.119(b)]
When may an amateur station transmit unidentified communications?
C. Only when sent from a space station or to control a model craft
T2A06 (A) [97.3(a)(10)]
What does the term broadcasting mean?
A. Transmissions intended for reception by the general public, either direct or relayed
T2A07 (C) [97.113(a)(4)]
Which of the following are specifically prohibited in the Amateur Radio Service?
C. Indecent and obscene language
T2A08 (B) [97.3(a)(10), 97.113(b)]
Which of the following one-way communications may not be transmitted in the Amateur Radio Service?
B. Broadcasts intended for reception by the general public
T2A09 (C) [97.113(2)]
When does the FCC allow an amateur radio station to be used as a method of communication for hire or material compensation?
C. Only when in accordance with part 97 rules
T2A10 (B) [97.113(a)3),(a)5(e)]
What type of communications are prohibited when using a repeater autopatch?
B. Calls to your employer requesting directions to a customer's office
T2A11 (C) [97.113(a)3]
When may you use your station to tell people about equipment you have for sale?
C. When you are offering amateur radio equipment for sale or trade on an occasional basis
T2B01 (B) [97.119(a)]
What must you transmit to identify your amateur station?
B. Your call sign
T2B02 (A) [97.119(a)]
What is a transmission called that does not contain a station identification?
A. Unidentified communications or signals
T2B03 (B) [97.119(a)]
How often must an amateur station transmit the assigned call sign?
B. Every 10 minutes during communications and at the end of each communication
T2B04 (D) [97.119(b)]
What is an acceptable method of transmitting a repeater station identification?
A. By phone using the English language
B. By video image conforming to applicable standards
C. By Morse code at a speed not to exceed 20 words per minute
D. All of these answers are correct.
T2B05 (C) [97.119(a)]
What identification is required when two amateur stations end communications?
C. Each station must transmit its own call sign
T2B06 (B) [97.119(a)]
What is the longest period of time an amateur station can operate without transmitting its call sign?
B. 10 minutes
T2B07 (C) [97.119(b)(2)]
What is a permissible way to identify your station when you are speaking to another amateur operator using a language other than English?
C. You must identify using the English language
T2B08 (D) [97.119(d)]
How often must you identify using your assigned call sign when operating while using a special event call sign?
D. Once per hour
T2B09 (A) [97.119(4)(c)]
What is required when using one or more self-assigned indicators with your assigned call sign?
A. The indicator must not conflict with an indicator specified by FCC rules or with a prefix assigned to another country
T2B10 (B) [97.119(e)]
What 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?
B. Send his call sign first, followed by your call sign
T2B11 (A) [97.119(f)(2)]
When exercising the operating privileges earned by examination upgrade of a license what is meant by use of the indicator "/AG"?
A. Authorized General
T2C01 (B) [97.7]
What must every amateur station have when transmitting?
B. A control operator
T2C02 (C ) [97.5(b)(1)]
How many amateur operator / primary station licenses may be held by one person?
C. Only one
T2C03 (B) [97.205(a)]
What minimum class of amateur license must you hold to be a control operator of a repeater station?
B. Technician
T2C04 (D) [97.3(a)(1)(2)]
Who is responsible for the transmissions from an amateur station?
D. Control operator
T2C05 (C) [97.7]
When must an amateur station have a control operator?
C. Whenever the station is transmitting
T2C06 (D) [97.3]
What is the control point of an amateur station?
D. The location at which the control operator function is performed
T2C07 (C) [97.109(d)]
What type of amateur station does not require a control operator to be at the control point?
C. An automatically controlled station
T2C08 (A) [97.3(a)]
What are the three types of station control permitted and recognized by FCC rule?
A. Local, remote and automatic control
T2C09 (C) [97.3(a)]
What type of control is being used on a repeater when the control operator is not present?
C. Automatic control
T2C10 (D) [97.109(a)]
What type of control is being used when transmitting using a handheld radio?
D. Local control
T2C11 (B) [97.3]
What type of control is used when the control operator is not at the station location but can still make changes to a transmitter?
B. Remote control
T2C12 (C) [97.3(a)(13)]
What is the definition of a control operator of an amateur station?
C. An operator designated by the licensee to be responsible for the station's transmissions to assure compliance with FCC rules
T2D01 (A) [97.103(a)]
Who is responsible for proper operation if you transmit from another amateur's station?
A. Both of you
T2D02 (A) [97.105(b)]
What operating privileges are allowed when another amateur holding a higher class license is controlling your station?
A. All privileges allowed by the higher class license
T2D03 (B) T5A01 [97.105(a)]
What operating privileges are allowed when you are the control operator at the station of another amateur who has a higher class license than yours?
B. Only the privileges allowed by your license
T2D04 (B) [97.113(a)(3)]
Which of the following is a prohibited amateur radio transmission?
B. Using amateur radio for conducting business
T2D05 (A) [97.3(a)46]
What is the definition of third-party communications?
A. A message sent between two amateur stations for someone else
T2D06 (B) [97.5(b)(2)]
How many persons are required to be members of a club for a club station license to be issued by the FCC?
B. At least 4
T2D07 (C) T4A10 [97.11(a)]
When may you operate your amateur station aboard an aircraft?
C. Only with the approval of the pilot in command and not using the aircraft's radio equipment
T2D08 (B) [97.103(c)]
When is the FCC allowed to inspect your station equipment and station records?
B. At any time upon request
T2D09 (A)
How might you best keep unauthorized persons from using your amateur station?
A. Disconnect the power and microphone cables when not using your equipment
T2D10 (B) [97.109(b)]
Why are unlicensed persons in your family not allowed to transmit on your amateur station if you are not there?
B. They must be licensed before they are allowed to be control operators
T2D11 (D) [97.113(d)]
When is it permissible for the control operator of a club station to accept compensation for sending information bulletins or Morse code practice?
D. When the station makes those transmissions for at least 40 hours per week
T3A01 (B)
Which of the following should you do when selecting a frequency on which to transmit?
B. Listen to determine if the frequency is busy
T3A02 (B)
How do you call another station on a repeater if you know the station's call sign?
B. Say the station's call sign then identify your own station
T3A03 (A)
How do you indicate you are looking for any station with which to make contact?
A. CQ followed by your callsign
T3A04 (C)
What should you transmit when responding to a call of CQ?
C. The other station’s callsign followed by your callsign
T3A05 (C) [97.119(a)]
What term describes a brief test transmission that does not include any station identification?
C. An illegal unidentified transmission
T3A06 (A)
What must an amateur do when making a transmission to test equipment or antennas?
A. Properly identify the station
T3A07 (D)
Which of the following is true when making a test transmission?
D. Station identification is required at least every ten minutes and at the end of every transmission.
T3A08 (D)
What is the meaning of the procedural signal "CQ"?
D. Calling any station
T3A09 (A) [97.119(b)(2)]
Why should you avoid using cute phrases or word combinations to identify your station?
A. They are not easily understood by some operators
T3A10 (B)
What brief statement is often used in place of "CQ" to indicate that you are listening for calls on a repeater?
B. Say your call sign
T3A11 (A) [97.119(b)(2)]
Why should you use the International Telecommunication Union (ITU) phonetic alphabet when identifying your station?
A. The words are internationally recognized substitutes for letters
T3B01 (A)
What is a band plan?
A. A voluntary guideline, beyond the divisions established by the FCC for using different operating modes within an amateur band
T3B02 (C)
Which of the following statements is true of band plans?
C. They are voluntary guidelines for efficient use of the radio spectrum
T3B03 (C)
Who developed the band plans used by amateur radio operators?
C. The amateur community
T3B04 (C)
Who is in charge of the repeater frequency band plan in your local area?
C. The recognized frequency coordination body
T3B05 (A)
What is the main purpose of repeater coordination?
A. To reduce interference and promote proper use of spectrum
T3B06 (C) [97.205(g)]
Who is accountable if a repeater station inadvertently retransmits communications that violate FCC rules?
C. The transmitting station
T3B07 (D)
Which of these statements is true about legal power levels on the amateur bands?
D. An amateur must use the minimum transmitter power necessary to carry out the desired communication
T3B08 (C) [97.305(c)]
Which of the bands available to Technician class licensees have mode restricted sub-bands?
C. The 6-meter, 2-meter, and 1 1/4-meter bands
T3B09 (A) [97.305 (a)(c)]
What emission modes are permitted in the restricted sub-band at 50.0-50.1 MHz?
A. CW only
T3B10 (A) [97.305 (a)(c)]
What emission modes are permitted in the restricted sub-band at 144.0-144.1 MHz?
A. CW only
T3C01 (A)
What is the proper way to break into a conversation between two stations that are using the frequency?
A. Say your call sign between their transmissions
T3C02 (D)
What is considered to be proper repeater operating practice?
A. Monitor before transmitting and keep transmissions short
B. Identify legally
C. Use the minimum amount of transmitter power necessary
D. All of these answers are correct
T3C03 (A)
What should you do before responding to another stations call?
A. Make sure you are operating on a permissible frequency for your license class
T3C04 (C) [97.101(b)]
What rule applies if two amateur stations want to use the same frequency?
C. No frequency will be assigned for the exclusive use of any station and neither has priority
T3C05 (D) [97.113(a)(4)]
Why is indecent and obscene language prohibited in the Amateur Service?
A. Because it is offensive to some individuals
B. Because young children may intercept amateur communications with readily available receiving equipment
C. Because such language is specifically prohibited by FCC Rules
D. All of these choices are correct
T3C06 (B)
Why should amateur radio operators avoid the use of racial or ethnic slurs when talking to other stations?
B. It is offensive to some people and reflects a poor public image on all amateur radio operators
T3C07 (C)
What should you do if you hear a newly licensed operator that is having trouble with their station?
C. Contact them and offer to help with the problem
T3C08 (B) [97.113(a)(4)]
Where can an official list be found of prohibited obscene and indecent words that should not be used in amateur radio?
B. There is no official list of prohibited obscene and indecent words
T3C09 (B) [97.113(a)(4)]
What type of subjects are not prohibited communications while using amateur radio?
B. Jokes and stories
T3C10 (C) [97.101 (a)]
When circumstances are not specifically covered by FCC rules what general operating standard must be applied to amateur station operation?
C. Good engineering and amateur practices
T3D01 (D)
What should you do if you receive a report that your transmissions are causing splatter or interference on nearby frequencies?
D. Check transmitter for off frequency operation or spurious emissions
T3D02 (D)
Who is responsible for taking care of the interference if signals from your transmitter are causing front end overload in your neighbor's television receiver?
D. The owner of the television receiver is responsible
T3D03 (C)
What is the major cause of telephone interference?
C. The telephone was not equipped with adequate interference protection when manufactured.
T3D04 (B)
What is the proper course of action if you unintentionally interfere with another station?
B. Properly identify your station and move to a different frequency
T3D05(C) [97.101(d)]
When may you deliberately interfere with another station's communications?
C. Never
T3D06 (D)
Who has exclusive use of a specific frequency when the FCC has not declared a communication emergency?
D. No station has exclusive use of any frequency
T3D07 (C)
What effect might a break in a cable television transmission line have on amateur communications?
C. TV interference may result when the amateur station is transmitting, or interference may occur to the amateur receiver
T3D08 (C)
What is the best way to reduce on the air interference when testing your transmitter?
C. Use a dummy load when testing
T3D09 (C) [97.103(a)]
What rules apply to your station when using amateur radio at the request of public service officials or at the scene of an emergency?
C. FCC
T3D10 (D)
What do RACES and ARES have in common?
D. Both organizations provide communications during emergencies
T3D11 (C)
What is meant by receiver front-end overload?
C. Interference caused by strong signals from a nearby source
T4A01 (D)
Electrical current is measured in which of the following units?
D. Amperes
T4A02 (B)
Electrical Power is measured in which of the following units?
B. Watts
T4A03 (D)
What is the name for the flow of electrons in an electric circuit?
D. Current
T4A04 (B)
What is the name of a current that flows only in one direction?
B. A direct current
T4A05 (B)
What is the standard unit of frequency?
B. The Hertz
T4A06 (A)
How much voltage does an automobile battery usually supply?
A. About 12 volts
T4A07 (D)
What is the basic unit of resistance?
D. The ohm
T4A08 (A)
What is the name of a current that reverses direction on a regular basis?
A. An alternating current
T4A09 (C)
Which of the following is a good electrical conductor?
C. Copper
T4A10 (B)
Which of the following is a good electrical insulator?
B. Glass
T4A11 (B)
What is the term used to describe opposition to current flow in ordinary conductors such as wires?
B. Resistance
T4A12 (C)
What instrument is used to measure the flow of current in an electrical circuit?
C. Ammeter
T4A13 (B)
What instrument is used to measure Electromotive Force (EMF) between two points such as the poles of a battery?
B. Voltmeter
T4B01 (C)
What is the name for the distance a radio wave travels during one complete cycle?
C. Wavelength
T4B02 (D)
What term describes the number of times that an alternating current flows back and forth per second?
D. Frequency
T4B03 (B)
What does 60 hertz (Hz) mean?
B. 60 cycles per second
T4B04 (C)
Electromagnetic waves that oscillate more than 20,000 times per second as they travel through space are generally referred to as what?
C. Radio waves
T4B05 (A)
How fast does a radio wave travel through space?
A. At the speed of light
T4B06 (B)
How does the wavelength of a radio wave relate to its frequency?
B. The wavelength gets shorter as the frequency increases
T4B07 (D)
What is the formula for converting frequency to wavelength in meters?
D. Wavelength in meters equals 300 divided by frequency in megahertz
T4B08 (C)
What are sound waves in the range between 300 and 3000 Hertz called?
C. Voice frequencies
T4B09 (A)
What property of a radio wave is often used to identify the different bands amateur radio operators use?
A. The physical length of the wave
T4B10 (A)
What is the frequency range of the 2 meter band in the
A. 144 to 148 MHz
T4B11 (D)
What is the frequency range of the 6 meter band in the
D. 50 to 54 MHz
T4B12 (C)
What is the frequency range of the 70 centimeter band in the
C. 420 to 450 MHz
T4C01 (B)
What is used to convert radio signals into sounds we can hear?
B. Receiver
T4C02 (A)
What is used to convert sounds from our voice into radio signals?
A. Transmitter
T4C03 (A)
What two devices are combined into one unit in a transceiver?
A. Receiver, transmitter
T4C04 (C)
What device is used to convert the alternating current from a wall outlet into low-voltage direct current?
C. Power Supply
T4C05 (A)
What device is used to increase the output of a 10 watt radio to 100 watts?
A. Amplifier
T4C06 (D)
Which 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?
D. Lithium-ion
T4C07 (B)
What is the nominal voltage per cell of a fully charged nickel-cadmium battery?
B. 1.2 volts
T4C08 (B)
What battery type on this list is not designed to be re-charged?
B. Carbon-zinc
T4C09 (D)
What is required to keep rechargeable batteries in good condition and ready for emergencies?
A. They must be inspected for physical damage and replaced if necessary
B. They should be stored in a cool and dry location
C. They must be given a maintenance recharge at least every 6 months
D. All of these answers are correct
T4C10 (B)
What is the best way to get the most amount of energy from a battery?
B. Draw current from the battery at the slowest rate needed
T4D01 (B)
What formula is used to calculate current in a circuit?
B. Current (I) equals voltage (E) divided by resistance (R)
T4D02 (A)
What formula is used to calculate voltage in a circuit?
A. Voltage (E) equals current (I) multiplied by resistance (R)
T4D03 (B)
What formula is used to calculate resistance in a circuit?
B. Resistance (R) equals voltage (E) divided by current (I)
T4D04 (B)
What is the resistance of a circuit when a current of 3 amperes flows through a resistor connected to 90 volts?
B. 30 ohms
T4D05 (C)
What is the resistance in a circuit where the applied voltage is 12 volts and the current flow is 1.5 amperes?
C. 8 ohms
T4D06 (D)
What is the current flow in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?
D. 1.5 amperes
T4D07 (A)
What is the voltage across the resistor if a current of 0.5 amperes flows through a 2 ohm resistor?
A. 1 volt
T4D08 (A)
What is the voltage across the resistor if a current of 1 ampere flows through a 10 ohm resistor?
A. 10 volts
T4D09 (A)
What is the voltage across the resistor if a current of 2 amperes flows through a 10 ohm resistor?
A. 20 volts
T4D10 (C)
What is the current flowing through a 100 ohm resistor connected across 200 volts?
C. 2 amperes
T4D11 (C)
What is the current flowing through a 24 ohm resistor connected across 240 volts?
C. 10 amperes
T4E01 (D)
What unit is used to describe electrical power?
D. Watt
T4E02 (A)
What is the formula used to calculate electrical power?
A. Power (P) equals voltage (E) multiplied by current (I)
T4E03 (A)
How much power is represented by a voltage of 13.8 volts and a current of 10 amperes?
A. 138 watts
T4E04 (B)
How much power is being used in a circuit when the voltage is 120 volts and the current is 2.5 amperes?
B. 300 watts
T4E05 (D)
How can you determine how many watts are being drawn by your transceiver when you are transmitting?
D. Measure the DC voltage at the transceiver and multiply by the current drawn when you transmit
T4E06 (B)
How many amperes are flowing in a circuit when the applied voltage is 120V and the load is 1200 watts?
B. 10 amperes
T4E07 (C)
How many milliamperes is the same as how many 1.5 amperes?
C. 1500 milliamperes
T4E08 (A)
What is another way to specify the frequency of a radio signal that is oscillating at 1,500,000 Hertz?
A. 1500 kHz
T4E09 (C)
How many volts are equal to one kilovolt?
C. one thousand volts
T4E10 (A)
How many volts are equal to one microvolt?
A. one one-millionth of a volt
T4E11 (B)
How many watts does a hand-held transceiver put out if the output power is 500 milliwatts?
B. 0.5 watts
T5A01 (B)
What does a microphone connect to in a basic amateur radio station?
B. The transmitter
T5A02 (C)
Which piece of station equipment converts electrical signals to sound waves?
C. Speaker
T5A03 (B)
What is the term used to describe what happens when a microphone and speaker are too close to each other?
B. Audio feedback
T5A04 (C)
What could you use in place of a regular speaker to help you copy signals in a noisy area?
C. A set of headphones
T5A05 (A)
What is a good reason for using a regulated power supply for communications equipment?
A. To protect equipment from voltage fluctuations
T5A06 (A)
Where must a filter be installed to reduce spurious emissions?
A. At the transmitter
T5A07 (D)
What 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?
D. Notch filter
T5A08 (C)
What is connected between the transceiver and computer terminal in a packet radio station?
C. Terminal Node Controller
T5A09 (D)
Which of these items is not required for a packet radio station?
D. Microphone
T5A10 (B)
What can be used to connect a radio with a computer for data transmission?
B. Sound Card
T5B01 (B)
What may happen if a transmitter is operated with the microphone gain set too high?
B. It may cause the signal to become distorted and unreadable
T5B02 (D)
What kind of information may a VHF/UHF transceiver be capable of storing in memory?
A. Transmit and receive operating frequency
B. CTCSS tone frequency
C. Transmit power level
D. All of these answers are correct
T5B03 (A)
What is one way to select a frequency on which to operate?
A. Use the keypad or VFO knob to enter the correct frequency
T5B04 (D)
What is the purpose of the squelch control on a transceiver?
D. It is used to quiet noise when no signal is being received
T5B05 (B)
What is a way to enable quick access to a favorite frequency on your transceiver?
B. Store the frequency in a memory channel
T5B06 (C)
What might you do to improve the situation if the station you are listening to is hard to copy because of ignition noise interference?
C. Turn on the noise blanker
T5B07 (A)
What is the purpose of the buttons labeled "up" and "down" on many microphones?
A. To allow easy frequency or memory selection
T5B08 (C)
What is the purpose of the "shift" control found on many VHF/UHF transceivers?
C. Adjust the offset between transmit and receive frequency
T5B09 (B)
What does RIT mean?
B. Receiver Incremental Tuning
T5B10 (D)
What is the purpose of the "step" menu function found on many transceivers?
D. It sets the tuning rate when changing frequencies
T5B11 (C)
What is the purpose of the "function" or "F" key found on many transceivers?
C. It selects an alternate action for some control buttons
T5C01 (B)
What is one purpose of a repeater?
B. To extend the usable range of mobile and low-power stations
T5C02 (B)
What is a courtesy tone?
B. A tone used to indicate when a transmission is complete
T5C03 (A)
Which of the following is the most important information to know before using a repeater?
A. The repeater input and output frequencies
T5C04 (C)
Why should you pause briefly between transmissions when using a repeater?
C. To listen for anyone wanting to break in
T5C05 (A)
What is the most common input/output frequency offset for repeaters in the 2-meter band?
A. 0.6 MHz
T5C06 (D)
What is the most common input/output frequency offset for repeaters in the 70-centimeter band?
D. 5.0 MHz
T5C07 (A)
What is meant by the terms input and output frequency when referring to repeater operations?
A. The repeater receives on one frequency and transmits on another
T5C08 (A)
What is the meaning of the term simplex operation?
A. Transmitting and receiving on the same frequency
T5C09 (B)
What is a reason to use simplex instead of a repeater?
B. To avoid tying up the repeater when direct contact is possible
T5C10 (A)
How might you find out if you could communicate with a station using simplex instead of a repeater?
A. Check the repeater input frequency to see if you can hear the other station
T5C11 (C)
What is the term for a series of repeaters that can be connected to one another to provide users with a wider coverage?
C. Linked repeater system
T5C12 (A)
What is the main reason repeaters should be approved by the local frequency coordinator before being installed?
A. Coordination minimizes interference between repeaters and makes the most efficient use of available frequencies
T5C13 (B)
Which of the following statements regarding use of repeaters is true?
B. Access to any repeater may be limited by the repeater owner
T5C14 (D)
What term is used to describe a repeater when use is restricted to the members of a club or group?
D. A closed repeater
T5D01 (C)
What is meant by fundamental overload in reference to a receiver?
C. Interference caused by very strong signals from a nearby source
T5D02 (B)
Which of the following is NOT a cause of radio frequency interference?
B. Doppler shift
T5D03 (B)
What is the most likely cause of telephone interference from a nearby transmitter?
B. The transmitter's signals are causing the telephone to act like a radio receiver
T5D04 (C)
What is a logical first step when attempting to cure a radio frequency interference problem in a nearby telephone?
C. Install an RF filter at the telephone
T5D05 (A)
What should you do first if someone tells you that your transmissions are interfering with their TV reception?
A. Make sure that your station is operating properly and that it does not cause interference to your own television
T5D07 (D)
Which of the following may be useful in correcting a radio frequency interference problem?
A. Snap-on ferrite chokes
B. Low-pass and high-pass filters
C. Notch and band-pass filters
D. All of these answers are correct
T5D08 (C)
What is the proper course of action to take when a neighbor reports that your radio signals are interfering with something in his home?
C. Check your station and make sure it meets the standards of good amateur practice
T5D09 (D)
What should you do if a "Part 15" device in your neighbor’s home is causing harmful interference to your amateur station?
A. Work with your neighbor to identify the offending device
B. Politely inform your neighbor about the rules that require him to stop using the device if it causes interference
C. Check your station and make sure it meets the standards of good amateur practice
D. All of these answers are correct
T5D10 (D)
What could be happening if another operator tells you he is hearing a variable high-pitched whine on the signals from your mobile transmitter?
D. The power wiring for your radio is picking up noise from the vehicle's electrical system
T5D11 (C)
What may be the problem if another operator reports that your SSB signal is very garbled and breaks up?
C. RF energy is getting into the microphone circuit and causing feedback
T5D12 (D)
What might be the problem if you receive a report that your signal through the repeater is distorted or weak?
A. Your transmitter may be slightly off frequency
B. Your batteries may be running low
C. You could be in a bad location
D. All of these answers are correct
T5D13 (B)
What is one of the reasons to use digital signals instead of analog signals to communicate with another station?
B. Many digital systems can automatically correct errors caused by noise and interference
T6A01 (C)
What are phone transmissions?
C. Voice transmissions by radio
T6A02 (C)
Which of the following is a form of amplitude modulation?
C. Single sideband
T6A03 (A)
What name is given to an amateur radio station that is used to connect other amateur stations to the Internet?
A. A gateway
T6A04 (C)
Which type of voice modulation most often used for long distance and weak signal contacts on the VHF and UHF bands?
C. SSB
T6A05 (D)
Which type of modulation is most commonly used for VHF and UHF voice repeaters?
D. FM
T6A06 (C)
Which emission type has the narrowest bandwidth?
C. CW
T6A07 (A)
Which sideband is normally used for VHF and UHF SSB communications?
A. Upper sideband
T6A08 (C)
What is the primary advantage of single sideband over other voice modes?
C. SSB signals use much less bandwidth than FM signals
T6A09 (D)
What is the approximate bandwidth of a single-sideband voice signal?
D. Between 2 and 3 kHz
T6A10 (C)
What is the approximate bandwidth of a frequency-modulated voice signal?
C. Between 5 and 15 kHz
T6A11 (B)
What is the normal bandwidth required for a conventional fast-scan TV transmission using combined video and audio on the 70-centimeter band?
B. About 6 MHz
T6B01 (C)
How is information transmitted between stations using Echolink?
C. Internet
T6B02 (A)
What does the abbreviation IRLP mean?
A. Internet Radio Linking Project
T6B03 (B)
Who may operate on the Echolink system?
B. Any licensed amateur radio operator
T6B04 (A)
What technology do Echolink and IRLP have in common?
A. Voice over Internet protocol
T6B05 (C)
What method is used to transfer data by IRLP?
C. Voice over Internet protocol
T6B06 (B)
What does the term IRLP describe?
B. A method of linking between two or more amateur stations using the Internet
T6B07 (B)
Which one of the following allows computer-to-radio linking for voice transmission?
B. EchoLink
T6B08 (C)
What are you listening to if you hear a brief tone and then a station from
C. An Internet linked DX station
T6B10 (C)
Where might you find a list of active nodes using VoIP?
C. A repeater directory or the Internet
T6B11 (D)
When using a portable transceiver how do you select a specific IRLP node?
D. Use the keypad to transmit the IRLP node numbers
T6C01 (D)
Which of the following is an example of a digital communications method?
D. Packet radio
T6C02 (A)
What does the term APRS mean?
A. Automatic Position Reporting System
T6C03 (D)
What item is required along with your normal radio for sending automatic location reports?
D. A global positioning system receiver
T6C04 (C)
What type of transmission is indicated by the term NTSC?
C. A standard fast scan color television signal
T6C05 (B)
What emission mode may be used by a Technician class operator in the 219 - 220 MHz frequency range?
B. Point-to-point digital message forwarding
T6C06 (B)
What does the abbreviation PSK mean?
B. Phase Shift Keying
T6C07 (D)
What is PSK31?
D. A low-rate data transmission mode that works well in noisy conditions
T6C08 (C)
What sending speed is recommended when using Morse code?
C. Any speed at which you can reliably receive
T6C09 (D)
What is a practical reason for being able to copy CW when using repeaters?
D. To recognize a repeater ID sent in Morse code
T6C10 (A)
What is the "Q" signal used to indicate that you are receiving interference from other stations?
A. QRM
T6C11 (B)
What is the "Q" signal used to indicate that you are changing frequency?
B. QSY
T7A01 (C)
What is a good thing to have when operating a hand-held transceiver away from home?
C. One or more fully charged spare battery packs
T7A02 (B)
Which of these items would probably not be very useful include in an emergency response kit?
B. A 1500 watt output linear amplifier
T7A03 (B)
How can you make the signal from a hand-held radio stronger when operating in the field?
B. Use an external antenna instead of the rubber-duck antenna
T7A04 (C)
What would be a good thing to have when operating from a location that includes lots of crowd noise?
C. A combination headset and microphone
T7A05 (C)
What is a method used to locate sources of noise interference or jamming?
C. Radio direction finding
T7A06 (B)
Which of these items would be the most useful for a hidden transmitter hunt?
B. A directional antenna
T7A07 (A)
What is a popular operating activity that involves contacting as many stations as possible during a specified period of time?
A. Contesting
T7A09 (A)
What is a grid locator?
A. A letter-number designator assigned to a geographic location
T7A10 (C)
What is a special event station?
C. A temporary station that operates in conjunction with an activity of special significance
T7A11 (B) [97.215(c)]
What is the maximum power allowed when transmitting telecommand signals to radio controlled models?
B. 1 watt
T7A12 (C) [97.215(a)]
What is the station identification requirement when sending commands to a radio control model using amateur frequencies?
C. A label indicating the licensee's call sign and address must be affixed to the transmitter
T7B01 (D)
What class of license is required to use amateur satellites?
D. Any amateur whose license allows them to transmit on the satellite uplink frequency
T7B02 (B)
How much power should you use to transmit when using an amateur satellite?
B. The minimum amount of power needed to complete the contact
T7B03 (D)
What is something you can do when using an amateur radio satellite?
D. Talk to amateur radio operators in other countries
T7B04 (B)
Who may make contact with an astronaut on the International Space Station using amateur radio frequencies?
B. Any amateur with a Technician or higher class license
T7B05 (D)
What is a satellite beacon?
D. A signal that contains information about a satellite
T7B06 (D)
What should you use to determine when you can access an amateur satellite?
D. A satellite tracking program
T7B07 (C)
What is Doppler shift?
C. A change in signal frequency caused by motion through space
T7B08 (C)
What is the name of the group that coordinates the building and/or launch of the largest number of amateur radio satellites?
C. AMSAT
T7B09 (C)
What is a satellite sub-band?
C. A portion of a band where satellite operations are permitted
T7B10 (B)
What is the satellite sub-band on 70-CM?
B. 435 to 438 MHz
T7B11 (C)
What do the initials LEO tell you about an amateur satellite?
C. The satellite is in a Low Earth Orbit
T8A01 (C) [97.401(b)]
What information is included in an FCC declaration of a temporary state of communication emergency?
C. Any special conditions and rules to be observed during the emergency
T8A02 (B) [97.113(a)(3)]
Under what conditions are amateur stations allowed to communicate with stations operating in other radio services?
B. When specially authorized by the FCC, or in an actual emergency
T8A03 (D)
What should you do if you are in contact with another station and an emergency call is heard?
D. Stop your contact immediately and take the emergency call
T8A04 (C)
What are the restrictions on amateur radio communications after the FCC has declared a communications emergency?
C. You must avoid those frequencies dedicated to supporting the emergency unless you are participating in the relief effort
T8A05 (B)
What is one reason for using tactical call signs such as "command post" or "weather center" during an emergency?
B. They are more efficient and help coordinate public-service communications
T8A06 (A) [97.401(b)]
What is legally required to restrict a frequency to emergency-only communication?
A. An FCC declaration of a communications emergency
T8A07 (D)
Who has the exclusive use of a frequency if the FCC has not declared a communication emergency?
D. No station has exclusive use in this circumstance
T8A08 (B)
What should you do if you hear someone reporting an emergency?
B. Assume the emergency is real and act accordingly
T8A09 (D)
What is an appropriate way to initiate an emergency call on amateur radio?
D. Say "Mayday, Mayday, Mayday" followed by "any station come in please" and identify your station
T8A10 (A)
What are the penalties for making a false emergency call?
A. You could have your license revoked
T8A11 (B) [97.101(c)]
What type of communications has priority at all times in the Amateur Radio Service?
B. Emergency communications
T8A12 (D) [97.101(c)]
When must priority be given to stations providing emergency communications?
D. At all times and on all frequencies
T8B01 (D)
What can you do to be prepared for an emergency situation where your assistance might be needed?
A. Check at least twice a year to make sure you have all of your
emergency response equipment and know where it is
B. Make sure you have a way to run your equipment if there is a
power failure in your area
C. Participate in drills that test your ability to set up and
operate in the field
D. All of these answers are correct
T8B02 (C) [97.403]
When may you use your amateur station to transmit a "SOS" or "MAYDAY" signal?
C. When there is immediate threat to human life or property
T8B03 (A)
What is the primary function of RACES in relation to emergency activities?
A. RACES organizations are restricted to serving local, state, and federal government emergency management agencies
T8B04 (B)
What is the primary function of ARES in relation to emergency activities?
B. ARES supports agencies like the Red Cross, Salvation Army, and National Weather Service
T8B05 (C) [97.407(a)]
What organization must you register with before you can participate in RACES activities?
C. The responsible civil defense organization
T8B06 (B)
What is necessary before you can join an ARES group?
B. You must have an amateur radio license
T8B07 (D)
What could be used as an alternate source of power to operate radio equipment during emergencies?
A. The battery in a car or truck
B. A bicycle generator
C. A portable solar panel
D. All of these answers are correct
T8B08 (B)
When can you use non-amateur frequencies or equipment to call for help in a situation involving immediate danger to life or property?
B. In an genuine emergency you may use whatever is at hand to call for help on any frequency
T8B09 (C)
Why should casual conversation between stations during a public service event be avoided?
C. Idle chatter may interfere with important traffic
T8B10 (B)
What should you do if a reporter asks to use your amateur radio transceiver to make a news report?
B. Advise them that the FCC prohibits such use
T8B11 (C)
When can you use a modified amateur radio transceiver to transmit on the local fire department frequency?
C. At no time
T8C01 (A)
Which type of traffic has the highest priority?
A. Emergency traffic
T8C02 (B)
What type of messages should not be transmitted over amateur radio frequencies during emergencies?
B. Personal information concerning victims
T8C03 (C)
What should you do to minimize disruptions to an emergency traffic net once you have checked in?
C. Do not transmit on the net frequency until asked to do so by the net control station
T8C04 (B)
What is one thing that must be included when passing emergency messages?
B. The name of the person originating the message
T8C05 (A)
What is one way to reduce the chances of casual listeners overhearing sensitive emergency traffic?
A. Pass messages using a non-voice mode such as packet radio or Morse code
T8C06 (C)
What is of primary importance for a net control station?
C. A strong and clear signal
T8C07 (B)
What should the net control station do if someone breaks in with emergency traffic?
B. Stop all net activity until the emergency has been handled
T8C08 (C)
What should you do if a large scale emergency has just occurred and no net control station is available?
C. Open the emergency net immediately and ask for check-ins
T8C09 (D)
What is the preamble of a message?
D. The information needed to track the message as it passes through the amateur radio traffic handling system
T8C10 (A)
What is the meant by the term "check" in reference to a message?
A. The check is a count of the number of words in the message
T8C11 (B)
What is the recommended guideline for the maximum number of words to be included in the text of an emergency message?
B. 25 words
T9A01 (C)
What is a beam antenna?
C. An antenna that concentrates signals in one direction
T9A02 (C)
What is an antenna that consists of a single element mounted perpendicular to the Earth's surface?
C. A vertical antenna
T9A03 (B)
What type of antenna is a simple dipole mounted so the elements are parallel to the Earth's surface?
B. A horizontal antenna
T9A04 (A)
What is a disadvantage of the "rubber duck" antenna supplied with most hand held radio transceivers?
A. It does not transmit or receive as effectively as a full sized antenna
T9A05 (C)
How does the physical size of half-wave dipole antenna change with operating frequency?
C. It becomes shorter as the frequency increases
T9A06 (B)
Why is a 5/8 wavelength vertical antenna popular for mobile use?
B. It's radiation pattern concentrates energy at lower angles
T9A07 (A)
What is the primary purpose of a dummy load?
A. It does not radiate interfering signals when making tests
T9A08 (C)
What type of antennas are the quad, Yagi, and dish?
C. Directional or beam antennas
T9A09 (D)
What is one type of antenna that offers good efficiency when operating mobile and can be easily installed or removed?
D. A magnet mount vertical antenna
T9A10 (A)
What is a good reason not to use a "rubber duck" antenna inside your car?
A. Signals can be 10 to 20 times weaker than when you are outside of the vehicle
T9A11 (C)What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?C. 19 inches
T9A12 (C)
What is the approximate length, in inches, of a 6-meter 1/2 wave wire dipole antenna?
C. 112 inches
T9B01 (C)
Why are VHF/UHF signals not normally heard over long distances?
C. VHF and UHF signals are usually not reflected by the ionosphere
T9B02 (D)
What might be happening when we hear a VHF signal from long distances?
D. A possible cause is sporadic E reflection from a layer in the ionosphere
T9B03 (B)
What is the most likely cause of sudden bursts of tones or fragments of different conversations that interfere with VHF or UHF signals?
B. Strong signals are overloading the receiver and causing undesired signals to be heard
T9B04 (A)
What is the radio horizon?
A. The point where radio signals between two points are blocked by the curvature of the Earth
T9B05 (D)
What should you do if a station reports that your signals were strong just a moment ago, but now they are weak or distorted?
D. Try moving a few feet, random reflections may be causing multi-path distortion.
T9B06 (B)
Why do UHF signals often work better inside of buildings than VHF signals?
B. The shorter wavelength of UHF signals allows them to more easily penetrate urban areas and buildings
T9B07 (C)
What is a good thing to remember when using your hand-held VHF or UHF radio to reach a distant repeater?
C. Keep the antenna as close to vertical as you can
T9B08 (B)
What can happen if the antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?
B. Signals could be as much as 100 times weaker
T9B09 (B)
What might be a way to reach a distant repeater if buildings or obstructions are blocking the direct line of sight path?
B. Try using a directional antenna to find a path that reflects signals to the repeater
T9B10 (B)
What term is commonly used to describe the rapid fluttering sound sometimes heard from mobile stations that are moving while transmitting?
B. Picket fencing
T9B11 (C)
Why do VHF and UHF Radio signals usually travel about a third farther than the visual line of sight distance between 2 stations?
C. The Earth seems less curved to radio waves than to light
T9C01 (A)
What is standing wave ratio (SWR)?
A. The ratio of load impedance to feedline impedance
T9C02 (C)
What reading on a SWR meter reading indicates a perfect impedance match between the antenna and the feed line?
C. 1 to 1
T9C03 (B)
What might be indicated by erratic changes in SWR readings?
B. A loose connection in your antenna or feedline
T9C04 (A)
What is the SWR value where the protection circuits in most solid-state transmitters begin to reduce transmitter power?
A. 2 to 1
T9C05 (C)
What happens to the power lost in a feed line?
C. It is converted into heat by losses in the line
T9C06 (D)
What instrument other than a SWR meter could you use to determine if your feedline and antenna are properly matched?
D. Directional wattmeter
T9C07 (A)
What is the primary reason for failure in coaxial cables?
A. Moisture contamination
T9C08 (B)
Why is it important to have a low SWR in an antenna system that uses coaxial cable feedline?
B. To allow the efficient transfer of power and reduce losses
T9C09 (C)
What can happen to older coaxial cables that are exposed to weather and sunlight for several years?
C. Losses can increase dramatically
T9C10 (D)
Why is the outer sheath of most coaxial cables black in color?
D. Black provides better protection against ultraviolet damage
T9C11 (B)
What is the impedance of the most commonly used coaxial cable in typical amateur radio installations?
B. 50 Ohms
T9C12 (A)
Why is coaxial cable used more often than any other feed line for amateur radio antenna systems?
A. It is easy to use and requires few special installation considerations
T0A01 (B)
What is a commonly accepted value for the lowest voltage that can cause a dangerous electric shock?
B. 30 volts
T0A02 (B)
What is the lowest amount of electrical current flowing through the human body that is likely to cause death?
B. 100 milliamperes
T0A03 (C)
What is connected to the green wire in a three-wire electrical plug?
C. Ground
T0A04 (B)
What is the purpose of a fuse in an electrical circuit?
B. To interrupt power in case of overload
T0A05 (C)
What might happen if you install a 20-ampere fuse in your transceiver in the place of a 5-ampere fuse?
C. Excessive current could cause a fire
T0A06 (D)
What is a good way to guard against electrical shock at your station?
A. Use 3-wire cords and plugs for all AC powered equipment
B. Connect all AC powered station equipment to a common ground
C. Use a ground-fault interrupter at each electrical outlet
D. All of these answers are correct
T0A07 (C)
What is the most important thing to consider when installing an emergency disconnect switch at your station?
C. Everyone should know where it is and how to use it
T0A08 (D)
What precautions should be taken when a lightning storm is expected?
A. Disconnect the antenna cables from your station and move them away from your radio equipment
B. Unplug all power cords from AC outlets
C. Stop using your radio equipment and move to another room until the storm passes
D. All of these answers are correct
T0A09 (C)
What is one way to recharge a 12-volt battery if the commercial power is out?
C. Connect the battery to a car's battery and run the engine
T0A10 (D)
What kind of hazard is presented by a conventional 12-volt storage battery?
A. It contains dangerous acid that can spill and cause injury
B. Short circuits can damage wiring and possibly cause a fire
C. Explosive gas can collect if not properly vented
D. All of these answers are correct
T0A11 (A)
What can happen if a storage battery is charged or discharged too quickly?
A. The battery could overheat and give off dangerous gas or explode
T0A12 (C)
What is the most important reason to have a lightning protection system for your amateur radio station?
C. Fire prevention
T0A13 (D)
What kind of hazard might exist in a power supply when it is turned off and disconnected?
D. You might receive an electric shock from stored charge in large capacitors
T0B01 (C)
Why should you wear a hard hat and safety glasses if you are on the ground helping someone work on an antenna tower?
C. To protect your head and eyes in case something accidentally falls from the tower
T0B02 (C)
What is a good precaution to observe before climbing an antenna tower?
C. Put on your safety belt and safety glasses
T0B03 (D)
What should you do before you climb a tower?
A. Arrange for a helper or observer
B. Inspect the tower for damage or loose hardware
C. Make sure there are no electrical storms nearby
D. All of these answers are correct
T0B04 (B)
What is an important consideration when putting up an antenna?
B. Make sure people cannot accidentally come into contact with it
T0B05 (A) [97.15(A)]
What must be considered when erecting an antenna near an airport?
A. The maximum allowed height with regard to nearby airports
T0B06 (D)
What is the most important safety precaution to observe when putting up an antenna tower?
D. Look for and stay clear of any overhead electrical wires
T0B07 (D)
How should the guy wires for an antenna tower be installed?
D. In accordance with the tower manufacturer's instructions
T0B08 (D)
What is a safe distance from a power line to allow when installing an antenna?
D. So that if the antenna falls unexpectedly, no part of it can come closer than 10 feet to the power wires
T0B09 (D)
What is the most important safety rule to remember when using a crank-up tower?
D. A crank-up tower should never be climbed unless it is in the fully lowered position
T0B10 (C)
Why is stainless steel hardware used on many antennas instead of other metals?
C. Stainless steel parts are much less likely to corrode
T0B11 (C)
What is considered to be an adequate ground for a tower?
C. Separate 8 foot long ground rods for each tower leg, bonded to the tower and each other
T0C01 (D)
What type of radiation are VHF and UHF radio signals?
D. Non-ionizing radiation
T0C02 (B)
When can radio waves cause injury to the human body?
B. Only if the combination of strength and frequency cause excessive power to be absorbed
T0C03 (C) [97.13(C)(1)]
What is the maximum power level that an amateur radio station may use at frequencies above 30 MHz before an RF exposure evaluation is required?
C. 50 watts PEP at the antenna
T0C04 (D)
What factors affect the RF exposure of people near an amateur transmitter?
A. Frequency and power level of the RF field
B. Distance from the antenna to a person
C. Radiation pattern of the antenna
D. All of these answers are correct
T0C05 (D)
Why must the frequency of an RF source be considered when evaluating RF radiation exposure?
D. The human body absorbs more RF energy at some frequencies than others
T0C06 (D) [97.13(C)(1)]How can you determine that your station complies with FCC RF exposure regulations?A. By calculation based on FCC OET Bulletin 65B. By calculation based on computer modelingC. By measurement of field strength using calibrated equipmentD. All of these choices are correct T0C07 (B)What could happen if a person accidentally touched your antenna while you were transmitting? B. They might receive a painful RF burn injury T0C08 (D)What action might amateur operators take to prevent exposure to RF radiation in excess of FCC supplied limits?
A. Alter antenna patterns
B. Relocate antennas
C. Change station parameters such as frequency or power
D. All of these answers are correct
T0C09 (B)
How can you make sure your station stays in compliance with RF safety regulations?
B. By re-evaluating the station whenever an item of equipment is changed
T0C10 (A)
Which of the following units of measurement is used to measure RF radiation exposure?
A. Milliwatts per square centimeter
T0C11 (A)
Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?
A. It takes into account the amount of time the transmitter is operating
ARRL News
Upcoming Events
Recent Videos
-
153 Views - 0 Comments -
160 Views - 0 Comments -
173 Views - 0 Comments -
162 Views - 0 Comments
