Sub Element G2: Operating Procedures Flashcards
Which sideband is most commonly used for voice communications on frequencies of 14 MHz or higher?
Upper sideband
Which of the following modes is most commonly used for voice communications on the 160-meter, 75-meter, and 40-meter bands?
Lower sideband
Which of the following is most commonly used for SSB voice communications in the VHF and UHF bands?
Upper sideband
Which mode is most commonly used for voice communications on the 17-meter and 12- meter bands?
Upper sideband
Which mode of voice communication is most commonly used on the HF amateur bands?
Single sideband
Which of the following is an advantage when using single sideband, as compared to other analog voice modes on the HF amateur bands?
Less bandwidth used and greater power efficiency
Which of the following statements is true of the single sideband voice mode?
Only one sideband is transmitted; the other sideband and carrier are suppressed
What is the recommended way to break in to a phone contact?
Say your call sign once
Why do most amateur stations use lower sideband on the 160-meter, 75-meter, and 40- meter bands?
It is good amateur practice
Which of the following statements is true of voice VOX operation versus PTT operation?
It allows “hands free” operation
Generally, who should respond to a station in the contiguous 48 states who calls “CQ DX”?
Any stations outside the lower 48 states
What control is typically adjusted for proper ALC setting on an amateur single sideband transceiver?
Transmit audio or microphone gain
Which of the following is true concerning access to frequencies in non-emergency situations?
Except during FCC-declared emergencies, no one has priority access to frequencies
What is the first thing you should do if you are communicating with another amateur station and hear a station in distress break in?
Acknowledge the station in distress and determine what assistance may be needed
What is good amateur practice if propagation changes during a contact and you notice interference from other stations on the frequency?
Attempt to resolve the interference problem with the other stations in a mutually acceptable manner
When selecting a CW transmitting frequency, what minimum separation should be used to minimize interference to stations on adjacent frequencies?
150 to 500 Hz
When selecting an SSB transmitting frequency, what minimum separation should be used to minimize interference to stations on adjacent frequencies?
Approximately 3 kHz
What is a practical way to avoid harmful interference on an apparently clear frequency before calling CQ on CW or phone?
Send “QRL?” on CW, followed by your call sign; or, if using phone, ask if the frequency is in use, followed by your call sign
Which of the following complies with good amateur practice when choosing a frequency on which to initiate a call?
Follow the voluntary band plan for the operating mode you intend to use
What is the voluntary band plan restriction for U.S. station transmitting within the 48 contiguous states in the 50.1 to 50.125 MHz band segment?
Only contacts with stations not within the 48 contiguous states
Who may be the control operator of an amateur station transmitting in RACES to assist relief operations during a disaster?
Only a person holding an FCC-issued amateur operator license
When is an amateur station allowed to use any means at its disposal to assist another station in distress?
At any time during an actual emergency
What frequency should be used to send a distress call?
Whichever frequency has the best chance of communicating the distress message
Which of the following describes full break-in telegraphy (QSK)?
Transmitting stations can receive between code characters and elements
What should you do if a CW station sends “QRS?”
Send slower
What does it mean when a CW operator sends “KN” at the end of a transmission?
Listening only for a specific station or stations
What does the Q signal “QRL?” mean?
“Are you busy?” or “Is this frequency in use?”
What is the best speed to use when answering a CQ in Morse code?
The fastest speed at which you are comfortable copying, but no faster than the CQ
What does the term “zero beat” mean in CW operation?
Matching the transmit frequency to the frequency of a received signal
When sending CW, what does a “C” mean when added to the RST report?
Chirpy or unstable signal
What prosign is sent to indicate the end of a formal message when using CW?
AR
What does the Q signal “QSL” mean?
I acknowledge receipt
What does the Q signal “QRN” mean?
I am troubled by static
What does the Q signal “QRV” mean?
I am ready to receive messages
What is the Volunteer Monitoring Program?
Amateur volunteers who are formally enlisted to monitor the airwaves for rules violations
Which of the following are objectives of the Volunteer Monitoring Program?
To encourage amateur radio operators to self-regulate and comply with the rules
What skills learned during hidden transmitter hunts are of help to the Volunteer Monitoring Program?
Direction finding used to locate stations violating FCC rules
Which of the following describes an azimuthal projection map?
A map that shows true bearings and distances from a particular location
Which of the following is a good way to indicate on a clear frequency in the HF phone bands that you are looking for a contact with any station?
Repeat “CQ” a few times, followed by “this is,” then your call sign a few times, then pause to listen, repeat as necessary
How is a directional antenna pointed when making a “long-path” contact with another station?
180 degrees from the station’s short-path heading
Which of the following are examples of the NATO Phonetic Alphabet?
Alpha, Bravo, Charlie, Delta
What is a reason why many amateurs keep a station log?
To help with a reply if the FCC requests information
Which of the following is required when participating in a contest on HF frequencies?
Identify your station per normal FCC regulations
What is QRP operation?
Low-power transmit operation
Which of the following is typical of the lower HF frequencies during the summer?
High levels of atmospheric noise or “static”
Which mode is normally used when sending RTTY signals via AFSK with an SSB transmitter?
LSB
How can a PACTOR modem or controller be used to determine if the channel is in use by other PACTOR stations?
Put the modem or controller in a mode which allows monitoring communications without a connection
What symptoms may result from other signals interfering with a PACTOR or WINMOR transmission?
Frequent retries or timeouts
Long pauses in message transmission
Failure to establish a connection between stations
All these choices are correct
What segment of the 20-meter band is most often used for digital transmissions (avoiding the DX propagation beacons)?
14.070 - 14.112 MHz
What is the standard sideband used to generate a JT65, JT9, or FT8 digital signal when using AFSK in any amateur band??
USB
What is the most common frequency shift for RTTY emissions in the amateur HF bands?
170 Hz
What segment of the 80-meter band is most commonly used for digital transmissions?
3570 - 3600 kHz
In what segment of the 20-meter band are most PSK31 operations commonly found?
Below the RTTY segment, near 14.070 MHz
How do you join a contact between two stations using the PACTOR protocol?
Joining an existing contact is not possible, PACTOR connections are limited to two stations
Which of the following is a way to establish contact with a digital messaging system gateway station?
Transmit a connect message on the station’s published frequency
Which of the following is characteristic of the FT8 mode of the WSJT-X family?
Typical exchanges are limited to call signs, grid locators, and signal reports
Which of the following connectors would be a good choice for a serial data port?
DE-9
Which communication system sometimes uses the internet to transfer messages?
Winlink
What could be wrong if you cannot decode an RTTY or other FSK signal even though it is apparently tuned in properly?
The mark and space frequencies may be reversed
You may have selected the wrong baud rate
You may be listening on the wrong sideband
All these choices are correct
Which of the following is a requirement when using the FT8 digital mode?
Computer time accurate within approximately 1 second