CallSign.co - Amateur Radio on the Web

FCC Question ID

T1E08

Which of the following is an example of automatic control?

Choose A

Repeater operation

Choose B

Controlling the station over the internet

Choose C

Using a computer or other device to send CW automatically

Choose D

Using a computer or other device to identify automatically

T1C11

If your license has expired and is still within the allowable grace period, may you continue to operate a transmitter on Amateur Radio Service frequencies?

Choose A

No, transmitting is not allowed until the FCC license database shows that the license has been renewed

Choose B

Yes, but only if you identify using the suffix GP

Choose C

Yes, but only during authorized nets

Choose D

Yes, for up to two years

T1D02

Under which of the following circumstances may an amateur radio station make one-way transmissions?

Choose A

Under no circumstances

Choose B

When transmitting code practice, information bulletins, or transmissions necessary to provide emergency communications

Choose C

At any time, as long as no music is transmitted

Choose D

At any time, as long as the material being transmitted did not originate from a commercial broadcast station

T1B09

Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

Choose A

To allow for calibration error in the transmitter frequency display

Choose B

So that modulation sidebands do not extend beyond the band edge

Choose C

To allow for transmitter frequency drift

Choose D

All of these choices are correct

T1B02

Which amateur radio stations may make contact with an amateur radio station on the International Space Station (ISS) using 2 meter and 70 cm band frequencies?

Choose A

Only members of amateur radio clubs at NASA facilities

Choose B

Any amateur holding a Technician or higher-class license

Choose C

Only the astronaut's family members who are hams

Choose D

Contacts with the ISS are not permitted on amateur radio frequencies

T1D11

When may an amateur station transmit without on-the-air identification?

Choose A

When the transmissions are of a brief nature to make station adjustments

Choose B

When the transmissions are unmodulated

Choose C

When the transmitted power level is below 1 watt

Choose D

When transmitting signals to control model craft

T2A11

What term describes an amateur station that is transmitting and receiving on the same frequency?

Choose A

Full duplex

Choose B

Diplex

Choose C

Simplex

Choose D

Multiplex

T2B04

Which of the following could be the reason you are unable to access a repeater whose output you can hear?

Choose A

Improper transceiver offset

Choose B

The repeater may require a proper CTCSS tone from your transceiver

Choose C

The repeater may require a proper DCS tone from your transceiver

Choose D

All of these choices are correct

T2C11

What is meant by the term “check,” in reference to a formal traffic message?

Choose A

The number of words or word equivalents in the text portion of the message

Choose B

The value of a money order attached to the message

Choose C

A list of stations that have relayed the message

Choose D

A box on the message form that indicates that the message was received and/or relayed

T3A13

What weather condition would decrease range at microwave frequencies?

Choose A

High winds

Choose B

Low barometric pressure

Choose C

Precipitation

Choose D

Colder temperatures

T3B07

What property of radio waves is often used to identify the different frequency bands?

Choose A

The approximate wavelength

Choose B

The magnetic intensity of waves

Choose C

The time it takes for waves to travel one mile

Choose D

The voltage standing wave ratio of waves

T3C02

Which of the following is an advantage of HF vs VHF and higher frequencies?

Choose A

HF antennas are generally smaller

Choose B

HF accommodates wider bandwidth signals

Choose C

Long distance ionospheric propagation is far more common on HF

Choose D

There is less atmospheric interference (static) on HF

T4A03

Why should wiring between the power source and radio be heavy-gauge wire and kept as short as possible?

Choose A

To avoid voltage falling below that needed for proper operation

Choose B

To provide a good counterpoise for the antenna

Choose C

To avoid RF interference

Choose D

All of these choices are correct

T4B13

Which of the following is a use for the scanning function of an FM transceiver?

Choose A

To check incoming signal deviation

Choose B

To prevent interference to nearby repeaters

Choose C

To scan through a range of frequencies to check for activity

Choose D

To check for messages left on a digital bulletin board

T5A06

How much voltage does a mobile transceiver typically require?

Choose A

About 12 volts

Choose B

About 30 volts

Choose C

About 120 volts

Choose D

About 240 volts

T5B10

What is the approximate amount of change, measured in decibels (dB), of a power decrease from 12 watts to 3 watts?

Choose A

-1 dB

Choose B

-3 dB

Choose C

-6 dB

Choose D

-9 dB

T5C05

What is the unit of frequency?

Choose A

Hertz

Choose B

Henry

Choose C

Farad

Choose D

Tesla

T5D11

What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

Choose A

1 volt

Choose B

10 volts

Choose C

11 volts

Choose D

9 volts

T6A01

What electrical component opposes the flow of current in a DC circuit?

Choose A

Inductor

Choose B

Resistor

Choose C

Voltmeter

Choose D

Transformer

T6B07

What does the abbreviation LED stand for?

Choose A

Low Emission Diode

Choose B

Light Emitting Diode

Choose C

Liquid Emission Detector

Choose D

Long Echo Delay

T6C03

What is component 2 in figure T1?

Choose A

Resistor

Choose B

Transistor

Choose C

Indicator lamp

Choose D

Connector

T6D07

Which of the following is commonly used as a visual indicator?

Choose A

LED

Choose B

FET

Choose C

Zener diode

Choose D

Bipolar transistor

T7A09

What is the function of the SSB/CW-FM switch on a VHF power amplifier?

Choose A

Change the mode of the transmitted signal

Choose B

Set the amplifier for proper operation in the selected mode

Choose C

Change the frequency range of the amplifier to operate in the proper portion of the band

Choose D

Reduce the received signal noise

T7B10

What might be a problem if you receive a report that your audio signal through the repeater is distorted or unintelligible?

Choose A

Your transmitter is slightly off frequency

Choose B

Your batteries are running low

Choose C

You are in a bad location

Choose D

All of these choices are correct

T7C09

Which of the following is the most common cause for failure of coaxial cables?

Choose A

Moisture contamination

Choose B

Gamma rays

Choose C

The velocity factor exceeds 1.0

Choose D

Overloading

T7D04

Which instrument is used to measure electric current?

Choose A

An ohmmeter

Choose B

A wavemeter

Choose C

A voltmeter

Choose D

An ammeter

T8A03

Which type of voice mode is most often used for long-distance (weak signal) contacts on the VHF and UHF bands?

Choose A

Choose B

DRM

Choose C

SSB

Choose D

T8B01

What telemetry information is typically transmitted by satellite beacons?

Choose A

The signal strength of received signals

Choose B

Time of day accurate to plus or minus 1/10 second

Choose C

Health and status of the satellite

Choose D

All of these choices are correct

T8C10

What must be done before you may use the EchoLink system to communicate using a repeater?

Choose A

You must complete the required EchoLink training

Choose B

You must have purchased a license to use the EchoLink software

Choose C

You must be sponsored by a current EchoLink user

Choose D

You must register your call sign and provide proof of license

T8D11

What is an ARQ transmission system?

Choose A

A special transmission format limited to video signals

Choose B

A system used to encrypt command signals to an amateur radio satellite

Choose C

A digital scheme whereby the receiving station detects errors and sends a request to the sending station to retransmit the information

Choose D

A method of compressing the data in a message so more information can be sent in a shorter time

T9A04

What is a disadvantage of the “rubber duck” antenna supplied with most handheld radio transceivers when compared to a full-sized quarter-wave antenna?

Choose A

It does not transmit or receive as effectively

Choose B

It transmits only circularly polarized signals

Choose C

If the rubber end cap is lost, it will unravel very easily

Choose D

All of these choices are correct

T9B06

Which of the following connectors is most suitable for frequencies above 400 MHz?

Choose A

A UHF (PL-259/SO-239) connector

Choose B

A Type N connector

Choose C

An RS-213 connector

Choose D

A DB-25 connector

T0A03

In the United States, what is connected to the green wire in a three-wire electrical AC plug?

Choose A

Neutral

Choose B

Hot

Choose C

Equipment ground

Choose D

The white wire

T0B04

Which of the following is an important safety precaution to observe when putting up an antenna tower?

Choose A

Wear a ground strap connected to your wrist at all times

Choose B

Insulate the base of the tower to avoid lightning strikes

Choose C

Look for and stay clear of any overhead electrical wires

Choose D

All of these choices are correct

T0C04

What factors affect the RF exposure of people near an amateur station antenna?

Choose A

Frequency and power level of the RF field

Choose B

Distance from the antenna to a person

Choose C

Radiation pattern of the antenna

Choose D

All of these choices are correct