# ham_general_qs

class: G
subelement: 1
group_index: A
group_number: 01
answer: C
answer_a: A. 60 meters, 30 meters, 17 meters, and 12 meters
answer_b: B. 160 meters, 60 meters, 15 meters, and 12 meters
answer_c: C. 80 meters, 40 meters, 20 meters, and 15 meters
answer_d: D. 80 meters, 20 meters, 15 meters, and 10 meters
question:
 [97.301(d)]On which HF and/or MF amateur bands are there portions where General class licensees cannot transmit?


class: G
subelement: 1
group_index: A
group_number: 04
answer: D
answer_a: A. 11 meters
answer_b: B. 12 meters
answer_c: C. 30 meters
answer_d: D. 60 meters
question:
 [97.303(h)]Which of the following amateur bands is restricted to communication only on specific channels, rather than frequency ranges?


class: G
subelement: 1
group_index: A
group_number: 05
answer: A
answer_a: A. 7.125 MHz to 7.175 MHz
answer_b: B. 28.000 MHz to 28.025 MHz
answer_c: C. 21.275 MHz to 21.300 MHz
answer_d: D. All of the above
question:
 [97.301(d)]On which of the following frequencies are General class licensees prohibited from operating as control operator?


class: G
subelement: 1
group_index: A
group_number: 06
answer: C
answer_b: B. Amateur stations may use the band only during emergencies
question:
 [97.303]Which of the following applies when the FCC rules designate the amateur service as a secondary user on a band?

answer_a:
A. Amateur stations must record the call sign of the primary service station before operating on a frequency assigned to that station

answer_c:
C. Amateur stations must not cause harmful interference to primary users and must accept interference from primary users

answer_d:
D. Amateur stations may only operate during specific hours of the day, while primary users are permitted 24-hour use of the band


class: G
subelement: 1
group_index: A
group_number: 07
answer: D
answer_a: A. 28.000 MHz to 28.025 MHz only
answer_b: B. 28.000 MHz to 28.300 MHz only
answer_c: C. 28.025 MHz to 28.300 MHz only
answer_d: D. The entire band
question:
 [97.305(a)]On which amateur frequencies in the 10-meter band may stations with a General class control operator transmit CW emissions?


class: G
subelement: 1
group_index: A
group_number: 09
answer: C
answer_a: A. 14250 kHz
answer_b: B. 18155 kHz
answer_c: C. 21300 kHz
answer_d: D. 24900 kHz
question:
 [97.301(d)]Which of the following frequencies is within the General class portion of the 15-meter band?


class: G
subelement: 1
group_index: A
group_number: 11
answer: B
answer_a: A. The lower frequency portion
answer_b: B. The upper frequency portion
question:
 [97.301]When General class licensees are not permitted to use the entire voice portion of a band, which portion of the voice segment is available to them?

answer_c:
C. The lower frequency portion on frequencies below 7.3 MHz, and the upper portion on frequencies above 14.150 MHz

answer_d:
D. The upper frequency portion on frequencies below 7.3 MHz, and the lower portion on frequencies above 14.150 MHz


class: G
subelement: 1
group_index: B
group_number: 01
answer: C
answer_a: A. 50 feet
answer_b: B. 100 feet
answer_c: C. 200 feet
answer_d: D. 250 feet
question:
 [97.15(a)]What is the maximum height above ground for an antenna structure not near a public use airport without requiring notification to the FAA and registration with the FCC?


class: G
subelement: 1
group_index: B
group_number: 03
answer: A
answer_a: A. Observation of propagation and reception
answer_b: B. Automatic identification of repeaters
answer_c: C. Transmission of bulletins of general interest to amateur radio licensees
answer_d: D. All these choices are correct
question:
 [97.3(a)(9)]Which of the following is a purpose of a beacon station as identified in the FCC rules?


question: [97.113(c)]Which of the following transmissions is permitted for all amateur stations?
class: G
subelement: 1
group_index: B
group_number: 04
answer: C
answer_a: A. Unidentified transmissions of less than 10 seconds duration for test purposes only
answer_b: B. Automatic retransmission of other amateur signals by any amateur station
answer_d: D. Encrypted messages, if not intended to facilitate a criminal act
answer_c:
C. Occasional retransmission of weather and propagation forecast information from US government stations


class: G
subelement: 1
group_index: B
group_number: 06
answer: D
answer_a: A. Under no circumstances, FCC rules take priority
question:
 [97.15(b), PRB-1, 101 FCC 2d 952 (1985)]Under what conditions are state and local governments permitted to regulate amateur radio antenna structures?

answer_b:
B. At any time and to any extent necessary to accomplish a legitimate purpose of the state or local entity, provided that proper filings are made with the FCC

answer_c:
C. Only when such structures exceed 50 feet in height and are clearly visible 1,000 feet from the structure

answer_d:
D. Amateur Service communications must be reasonably accommodated, and regulations must constitute the minimum practical to accommodate a legitimate purpose of the state or local entity


class: G
subelement: 1
group_index: B
group_number: 07
answer: B
answer_a: A. Only “Q” signals are permitted
answer_b: B. They may be used if they do not obscure the meaning of a message
answer_c: C. They are not permitted
answer_d: D. They are limited to those expressly listed in Part 97 of the FCC rules
question:
 [97.113(a)(4)]What are the restrictions on the use of abbreviations or procedural signals in the amateur service?


class: G
subelement: 1
group_index: B
group_number: 08
answer: B
answer_a: A. Only when the foreign country has a formal third-party agreement filed with the FCC
question:
 [97.111(a)(1)]When is it permissible to communicate with amateur stations in countries outside the areas administered by the Federal Communications Commission?

answer_b:
B. When the contact is with amateurs in any country except those whose administrations have notified the ITU that they object to such communications

answer_c:
C. Only when the contact is with amateurs licensed by a country which is a member of the United Nations, or by a territory possessed by such a country

answer_d:
D. Only when the contact is with amateurs licensed by a country which is a member of the International Amateur Radio Union, or by a territory possessed by such a country


class: G
subelement: 1
group_index: B
group_number: 11
answer: A
answer_a: A. The FCC
answer_b: B. The control operator
answer_c: C. The IEEE
answer_d: D. The ITU
question:
 [97.101(a)]Who or what determines “good engineering and good amateur practice,” as applied to the operation of an amateur station in all respects not covered by the Part 97 rules?


class: G
subelement: 1
group_index: C
group_number: 03
answer: A
answer_a: A. 2.8 kHz
answer_b: B. 5.6 kHz
answer_c: C. 1.8 kHz
answer_d: D. 3 kHz
question:
 [97.303(h)(1)]What is the maximum bandwidth permitted by FCC rules for amateur radio stations transmitting on USB frequencies in the 60-meter band?


class: G
subelement: 1
group_index: C
group_number: 04
answer: A
answer_b: B. You must keep a record of the date, time, frequency, power level, and stations worked
answer_c: C. You must keep a record of all third-party traffic
answer_d: D. You must keep a record of the manufacturer of your equipment and the antenna used
question:
 [97.303(i)]Which of the following is required by the FCC rules when operating in the 60-meter band?

answer_a:
A. If you are using an antenna other than a dipole, you must keep a record of the gain of your antenna


class: G
subelement: 1
group_index: C
group_number: 05
answer: C
answer_a: A. 100 watts PEP output
answer_b: B. 1000 watts PEP output
answer_c: C. 1500 watts PEP output
answer_d: D. 2000 watts PEP output
question:
 [97.313]What is the limit for transmitter power on the 28 MHz band for a General Class control operator?


class: G
subelement: 1
group_index: C
group_number: 08
answer: D
answer_a: A. 56 kilobaud
answer_b: B. 19.6 kilobaud
answer_c: C. 1200 baud
answer_d: D. 300 baud
question:
 [97.307(f)(3)]What is the maximum symbol rate permitted for RTTY or data emission transmitted at frequencies below 28 MHz?


class: G
subelement: 1
group_index: C
group_number: 10
answer: C
answer_a: A. 56 kilobaud
answer_b: B. 19.6 kilobaud
answer_c: C. 1200 baud
answer_d: D. 300 baud
question:
 [97.305(c) and 97.307(f)(4)]What is the maximum symbol rate permitted for RTTY or data emission transmissions on the 10-meter band?


class: G
subelement: 1
group_index: D
group_number: 01
answer: A
answer_d: D. Only persons who once held an FCC issued Novice, Technician, or Technician Plus license
question:
 [97.501, 97.505(a)]Who may receive partial credit for the elements represented by an expired amateur radio license?

answer_a:
A. Any person who can demonstrate that they once held an FCC-issued General, Advanced, or Amateur Extra class license that was not revoked by the FCC

answer_b:
B. Anyone who held an FCC-issued amateur radio license that expired not less than 5 and not more than 15 years ago

answer_c:
C. Any person who previously held an amateur license issued by another country, but only if that country has a current reciprocal licensing agreement with the FCC


class: G
subelement: 1
group_index: D
group_number: 02
answer: C
answer_a: A. General and Technician
answer_b: B. None, only Amateur Extra class licensees may be accredited
answer_c: C. Technician only
answer_d: D. Amateur Extra, General, and Technician
question:
 [97.509(b)(3)(i)]What license examinations may you administer as an accredited Volunteer Examiner holding a General class operator license?


class: G
subelement: 1
group_index: D
group_number: 03
answer: C
answer_a: A. Only the Technician band segments until your upgrade is posted in the FCC database
answer_c: C. On any General or Technician class band segment
answer_d: D. On any General or Technician class band segment except 30 meters and 60 meters
question:
 [97.9(b)]On which of the following band segments may you operate if you are a Technician class operator and have an unexpired Certificate of Successful Completion of Examination (CSCE) for General class privileges?

answer_b:
B. Only on the Technician band segments until you have a receipt for the FCC application fee payment


class: G
subelement: 1
group_index: D
group_number: 05
answer: A
answer_a: A. A US operator/primary station license
answer_b: B. Only an appropriate US operator/primary license and a special remote station permit from the FCC
answer_d: D. A license from the foreign country and a special remote station permit from the FCC
question:
 [97.7]When operating a US station by remote control from outside the country, what license is required of the control operator?

answer_c:
C. Only a license from the foreign country, as long as the call sign includes identification of portable operation in the US


class: G
subelement: 1
group_index: D
group_number: 06
answer: A
answer_a: A. Whenever they operate using General class frequency privileges
answer_b: B. Whenever they operate on any amateur frequency
answer_c: C. Whenever they operate using Technician frequency privileges
question:
 [97.119(f)(2)]Until an upgrade to General class is shown in the FCC database, when must a Technician licensee identify with “AG” after their call sign?

answer_d:
D. A special identifier is not required if their General class license application has been filed with the FCC


class: G
subelement: 1
group_index: D
group_number: 08
answer: B
answer_a: A. The person must be a resident of the US for a minimum of 5 years
answer_b: B. The person must hold an FCC granted amateur radio license of General class or above
answer_c: C. The person’s home citizenship must be in ITU region 2
answer_d: D. None of these choices is correct; a non-US citizen cannot be a Volunteer Examiner
question:
 [97.509(b)(3)]Which of the following criteria must be met for a non-US citizen to be an accredited Volunteer Examiner?


class: G
subelement: 1
group_index: D
group_number: 09
answer: C
answer_a: A. 30 days
answer_b: B. 180 days
answer_c: C. 365 days
answer_d: D. For as long as your current license is valid
question:
 [97.9(b)]How long is a Certificate of Successful Completion of Examination (CSCE) valid for exam element credit?


class: G
subelement: 1
group_index: D
group_number: 10
answer: B
answer_a: A. 16 years
answer_b: B. 18 years
answer_c: C. 21 years
answer_d: D. There is no age limit
question:
 [97.509(b)(2)]What is the minimum age that one must be to qualify as an accredited Volunteer Examiner?


class: G
subelement: 1
group_index: D
group_number: 11
answer: D
answer_a: A. They must have a letter from the FCC showing they once held an amateur or commercial license
answer_b: B. There are no requirements other than being able to show a copy of the expired license
answer_c: C. Contact the FCC to have the license reinstated
question:
 [97.505]What action is required to obtain a new General class license after a previously held license has expired and the two-year grace period has passed?

answer_d:
D. The applicant must show proof of the appropriate expired license grant and pass the current Element 2 exam


class: G
subelement: 1
group_index: D
group_number: 12
answer: C
answer_a: A. Those of both the remote station’s country and the FCC
answer_b: B. Those of the remote station’s country and the FCC’s third-party regulations
answer_c: C. Only those of the remote station’s country
answer_d: D. Only those of the FCC
question:
 [97.507]When operating a station in South America by remote control over the internet from the US, what regulations apply?


class: G
subelement: 1
group_index: E
group_number: 01
answer: A
answer_a: A. The third party’s amateur license has been revoked and not reinstated
answer_b: B. The third party is not a US citizen
answer_c: C. The third party is speaking in a language other than English
answer_d: D. All these choices are correct
question:
 [97.115(b)(2)]Which of the following would disqualify a third party from participating in sending a message via an amateur station?


class: G
subelement: 1
group_index: E
group_number: 02
answer: D
answer_a: A. Under no circumstances
answer_c: C. Only during an FCC-declared general state of communications emergency
answer_d: D. Only if the 10-meter repeater control operator holds at least a General class license
question:
 [97.205(b)]When may a 10-meter repeater retransmit the 2-meter signal from a station that has a Technician class control operator?

answer_b:
B. Only if the station on 10-meters is operating under a Special Temporary Authorization allowing such retransmission


class: G
subelement: 1
group_index: E
group_number: 03
answer: A
answer_a: A. The station initiating the contact must be under local or remote control
answer_b: B. The interrogating transmission must be made by another automatically controlled station
answer_c: C. No third-party traffic may be transmitted
answer_d: D. The control operator of the interrogating station must hold an Amateur Extra class license
question:
 [97.221]What is required to conduct communications with a digital station operating under automatic control outside the automatic control band segments?


class: G
subelement: 1
group_index: E
group_number: 04
answer: D
answer_a: A. When operating within one mile of an FCC Monitoring Station
answer_b: B. When using a band where the Amateur Service is secondary
answer_c: C. When a station is transmitting spread spectrum emissions
answer_d: D. All these choices are correct
question:
 [97.13(b), 97.303, 97.311(b)]Which of the following conditions require a licensed amateur radio operator to take specific steps to avoid harmful interference to other users or facilities?


class: G
subelement: 1
group_index: E
group_number: 05
answer: C
answer_a: A. They must relate to emergencies or disaster relief
answer_b: B. They must be for other licensed amateurs
question:
 [97.115(a)(2), 97.117]What are the restrictions on messages sent to a third party in a country with which there is a Third-Party Agreement?

answer_c:
C. They must relate to amateur radio, or remarks of a personal character, or messages relating to emergencies or disaster relief

answer_d:
D. The message must be limited to no longer than 1 minute in duration and the name of the third party must be recorded in the station log


class: G
subelement: 1
group_index: E
group_number: 06
answer: C
answer_a: A. Region 4
answer_b: B. Region 3
answer_c: C. Region 2
answer_d: D. Region 1
question:
 [97.301, ITU Radio Regulations]The frequency allocations of which ITU region apply to radio amateurs operating in North and South America?


class: G
subelement: 1
group_index: E
group_number: 07
answer: D
answer_a: A. Anywhere in the band
answer_b: B. Channels 1 through 4
answer_c: C. Channels 42 through 45
answer_d: D. No part
question:
 [97.111]In what part of the 2.4 GHz band may an amateur station communicate with non-licensed Wi-Fi stations?


class: G
subelement: 1
group_index: E
group_number: 09
answer: A
answer_a: A. Under no circumstances
answer_b: B. When messages are encrypted
answer_c: C. When messages are not encrypted
answer_d: D. When under automatic control
question:
 [97.115]Under what circumstances are messages that are sent via digital modes exempt from Part 97 third-party rules that apply to other modes of communication?


class: G
subelement: 1
group_index: E
group_number: 10
answer: A
answer_a: A. A system of propagation beacon stations operates on those frequencies
answer_b: B. A system of automatic digital stations operates on those frequencies
answer_c: C. These frequencies are set aside for emergency operations
answer_d: D. These frequencies are set aside for bulletins from the FCC
question:
 [97.101]Why should an amateur operator normally avoid transmitting on 14.100, 18.110, 21.150, 24.930 and 28.200 MHz?


class: G
subelement: 1
group_index: E
group_number: 11
answer: D
answer_a: A. On any band segment where digital operation is permitted
answer_b: B. Anywhere in the non-phone segments of the 10-meter or shorter wavelength bands
answer_c: C. Only in the non-phone Extra Class segments of the bands
question:
 [97.221, 97.305]On what bands may automatically controlled stations transmitting RTTY or data emissions communicate with other automatically controlled digital stations?

answer_d:
D. Anywhere in the 6-meter or shorter wavelength bands, and in limited segments of some of the HF bands


question: [97.115]When may third-party messages be transmitted via remote control?
class: G
subelement: 1
group_index: E
group_number: 12
answer: A
answer_a: A. Under any circumstances in which third party messages are permitted by FCC rules
answer_b: B. Under no circumstances except for emergencies
answer_c: C. Only when the message is intended for licensed radio amateurs
answer_d:
D. Only when the message is intended for third parties in areas where licensing is controlled by the FCC


class: G
subelement: 2
group_index: A
group_number: 06
answer: D
answer_a: A. Very high-fidelity voice modulation
answer_b: B. Less subject to interference from atmospheric static crashes
answer_c: C. Ease of tuning on receive and immunity to impulse noise
answer_d: D. Less bandwidth used and greater power efficiency
question:
Which of the following is an advantage of using single sideband, as compared to other analog voice modes on the HF amateur bands?


class: G
subelement: 2
group_index: B
group_number: 02
answer: B
answer_a: A. Inform your local emergency coordinator
answer_b: B. Acknowledge the station in distress and determine what assistance may be needed
answer_c: C. Immediately decrease power to avoid interfering with the station in distress
answer_d: D. Immediately cease all transmissions
question:
What is the first thing you should do if you are communicating with another amateur station and hear a station in distress break in?


class: G
subelement: 2
group_index: B
group_number: 03
answer: C
answer_a: A. Advise the interfering stations that you are on the frequency and that you have priority
answer_b: B. Decrease power and continue to transmit
answer_d: D. Switch to the opposite sideband
question:
What is good amateur practice if propagation changes during a contact creating interference from other stations using the frequency?

answer_c:
C. Attempt to resolve the interference problem with the other stations in a mutually acceptable manner


class: G
subelement: 2
group_index: B
group_number: 04
answer: B
answer_a: A. 5 Hz to 50 Hz
answer_b: B. 150 Hz to 500 Hz
answer_c: C. 1 kHz to 3 kHz
answer_d: D. 3 kHz to 6 kHz
question:
When selecting a CW transmitting frequency, what minimum separation from other stations should be used to minimize interference to stations on adjacent frequencies?


class: G
subelement: 2
group_index: B
group_number: 05
answer: C
answer_a: A. 5 Hz to 50 Hz
answer_b: B. 150 Hz to 500 Hz
answer_c: C. 2 kHz to 3 kHz
answer_d: D. Approximately 6 kHz
question:
When selecting an SSB transmitting frequency, what minimum separation should be used to minimize interference to stations on adjacent frequencies?


class: G
subelement: 2
group_index: B
group_number: 06
answer: A
answer_b: B. Listen for 2 minutes before calling CQ
question:
How can you avoid harmful interference on an apparently clear frequency before calling CQ on CW or phone?

answer_a:
A. 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

answer_c:
C. Send the letter “V” in Morse code several times and listen for a response, or say “test” several times and listen for a response

answer_d:
D. Send “QSY” on CW or if using phone, announce “the frequency is in use,” then give your call sign and listen for a response


class: G
subelement: 2
group_index: B
group_number: 07
answer: C
answer_a: A. Listen on the frequency for at least two minutes to be sure it is clear
answer_b: B. Identify your station by transmitting your call sign at least 3 times
answer_c: C. Follow the voluntary band plan
answer_d: D. All these choices are correct
question:
Which of the following complies with commonly accepted amateur practice when choosing a frequency on which to initiate a call?


class: G
subelement: 2
group_index: B
group_number: 08
answer: A
answer_a: A. Only contacts with stations not within the 48 contiguous states
answer_b: B. Only contacts with other stations within the 48 contiguous states
answer_c: C. Only digital contacts
answer_d: D. Only SSTV contacts
question:
What is the voluntary band plan restriction for US stations transmitting within the 48 contiguous states in the 50.1 MHz to 50.125 MHz band segment?


class: G
subelement: 2
group_index: B
group_number: 09
answer: A
answer_a: A. Only a person holding an FCC-issued amateur operator license
answer_b: B. Only a RACES net control operator
answer_c: C. A person holding an FCC-issued amateur operator license or an appropriate government official
answer_d: D. Any control operator when normal communication systems are operational
question:
 [97.407(a)]Who may be the control operator of an amateur station transmitting in RACES to assist relief operations during a disaster?


class: G
subelement: 2
group_index: B
group_number: 11
answer: C
answer_a: A. No more than 1 hour per month
answer_b: B. No more than 2 hours per month
answer_c: C. No more than 1 hour per week
answer_d: D. No more than 2 hours per week
question:
 [97.407(d)(4)]How often may RACES training drills and tests be routinely conducted without special authorization?


question: What is the Volunteer Monitor Program?
class: G
subelement: 2
group_index: D
group_number: 01
answer: A
answer_a: A. Amateur volunteers who are formally enlisted to monitor the airwaves for rules violations
answer_b: B. Amateur volunteers who conduct amateur licensing examinations
answer_c: C. Amateur volunteers who conduct frequency coordination for amateur VHF repeaters
answer_d:
D. Amateur volunteers who use their station equipment to help civil defense organizations in times of emergency


class: G
subelement: 2
group_index: D
group_number: 03
answer: B
answer_a: A. Compare vertical and horizontal signal strengths on the input frequency
answer_c: C. Compare signal strengths between the input and output of the repeater
answer_d: D. All these choices are correct
question:
What procedure may be used by Volunteer Monitors to localize a station whose continuous carrier is holding a repeater on in their area?

answer_b:
B. Compare beam headings on the repeater input from their home locations with that of other Volunteer Monitors


question: Which of the following describes an azimuthal projection map?
class: G
subelement: 2
group_index: D
group_number: 04
answer: B
answer_a: A. A map that shows accurate land masses
answer_b: B. A map that shows true bearings and distances from a specific location
answer_c: C. A map that shows the angle at which an amateur satellite crosses the equator
answer_d:
D. A map that shows the number of degrees longitude that an amateur satellite appears to move westward at the equator with each orbit


question: Which of the following indicates that you are looking for an HF contact with any station?
class: G
subelement: 2
group_index: D
group_number: 05
answer: C
answer_b: B. Say “QTC” followed by “this is” and your call sign -- if no answer, change frequency and repeat
answer_a:
A. Sign your call sign once, followed by the words “listening for a call” -- if no answer, change frequency and repeat

answer_c:
C. Repeat “CQ” a few times, followed by “this is,” then your call sign a few times, then pause to listen, repeat as necessary

answer_d:
D. Transmit an unmodulated carried for approximately 10 seconds, followed by “this is” and your call sign, and pause to listen -- repeat as necessary


class: G
subelement: 2
group_index: E
group_number: 04
answer: D
answer_a: A. Always call on the station’s frequency
answer_b: B. Call on any frequency in the waterfall except the station’s frequency
answer_c: C. Find a clear frequency during the same time slot as the calling station
answer_d: D. Find a clear frequency during the alternate time slot to the calling station
question:
Which of the following is good practice when choosing a transmitting frequency to answer a station calling CQ using FT8?


class: G
subelement: 2
group_index: E
group_number: 10
answer: D
answer_a: A. Send an email to the system control operator
answer_b: B. Send QRL in Morse code
answer_c: C. Respond when the station broadcasts its SSID
answer_d: D. Transmit a connect message on the station’s published frequency
question:
Which of the following is a way to establish contact with a digital messaging system gateway station?


class: G
subelement: 2
group_index: E
group_number: 14
answer: D
answer_a: A. The mark and space frequencies may be reversed
answer_b: B. You may have selected the wrong baud rate
answer_c: C. You may be listening on the wrong sideband
answer_d: D. All these choices are correct
question:
What could be wrong if you cannot decode an RTTY or other FSK signal even though it is apparently tuned in properly?


question: How does a higher sunspot number affect HF propagation?
class: G
subelement: 3
group_index: A
group_number: 01
answer: A
answer_b: B. Lower sunspot numbers generally indicate greater probability of sporadic E propagation
answer_c: C. A zero sunspot number indicates that radio propagation is not possible on any band
answer_d: D. A zero sunspot number indicates undisturbed conditions
answer_a:
A. Higher sunspot numbers generally indicate a greater probability of good propagation at higher frequencies


class: G
subelement: 3
group_index: A
group_number: 03
answer: C
answer_a: A. 28 days
answer_b: B. 1 to 2 hours
answer_c: C. 8 minutes
answer_d: D. 20 to 40 hours
question:
Approximately how long does it take the increased ultraviolet and X-ray radiation from a solar flare to affect radio propagation on Earth?


class: G
subelement: 3
group_index: A
group_number: 04
answer: D
answer_a: A. 80 meters and 160 meters
answer_b: B. 60 meters and 40 meters
answer_c: C. 30 meters and 20 meters
answer_d: D. 15 meters, 12 meters, and 10 meters
question:
Which of the following are the least reliable bands for long-distance communications during periods of low solar activity?


question: What is the solar flux index?
class: G
subelement: 3
group_index: A
group_number: 05
answer: D
answer_b: B. A count of sunspots that is adjusted for solar emissions
answer_c: C. Another name for the American sunspot number
answer_d: D. A measure of solar radiation with a wavelength of 10.7 centimeters
answer_a:
A. A measure of the highest frequency that is useful for ionospheric propagation between two points on Earth


class: G
subelement: 3
group_index: A
group_number: 07
answer: D
answer_a: A. At the summer solstice
answer_b: B. Only at the maximum point
answer_c: C. Only at the minimum point
answer_d: D. At any point
question:
At what point in the solar cycle does the 20-meter band usually support worldwide propagation during daylight hours?


class: G
subelement: 3
group_index: A
group_number: 14
answer: B
answer_a: A. HF communication is improved
answer_b: B. HF communication is disturbed
answer_c: C. VHF/UHF ducting is improved
answer_d: D. VHF/UHF ducting is disturbed
question:
How is long distance radio communication usually affected by the charged particles that reach Earth from solar coronal holes?


class: G
subelement: 3
group_index: B
group_number: 01
answer: D
answer_a: A. Periodic fading approximately every 10 seconds
answer_b: B. Signal strength increased by 3 dB
answer_c: C. The signal might be cancelled causing severe attenuation
answer_d: D. A slightly delayed echo might be heard
question:
What is a characteristic of skywave signals arriving at your location by both short-path and long-path propagation?


class: G
subelement: 3
group_index: B
group_number: 04
answer: A
answer_b: B. Check the A-index
answer_c: C. Send a series of dots and listen for echoes
answer_d: D. All these choices are correct
question:
Which of the following is a way to determine current propagation on a desired band from your station?

answer_a:
A. Use a network of automated receiving stations on the internet to see where your transmissions are being received


class: G
subelement: 3
group_index: B
group_number: 09
answer: C
answer_a: A. 180 miles
answer_b: B. 1,200 miles
answer_c: C. 2,500 miles
answer_d: D. 12,000 miles
question:
What is the approximate maximum distance along the Earth’s surface normally covered in one hop using the F2 region?


class: G
subelement: 3
group_index: B
group_number: 10
answer: B
answer_a: A. 180 miles
answer_b: B. 1,200 miles
answer_c: C. 2,500 miles
answer_d: D. 12,000 miles
question:
What is the approximate maximum distance along the Earth’s surface normally covered in one hop using the E region?


question: What does the term “critical angle” mean, as applied to radio wave propagation?
class: G
subelement: 3
group_index: C
group_number: 04
answer: D
answer_a: A. The long path azimuth of a distant station
answer_b: B. The short path azimuth of a distant station
answer_c:
C. The lowest takeoff angle that will return a radio wave to Earth under specific ionospheric conditions

answer_d:
D. The highest takeoff angle that will return a radio wave to Earth under specific ionospheric conditions


class: G
subelement: 3
group_index: C
group_number: 05
answer: C
answer_a: A. The F region absorbs signals at these frequencies during daylight hours
answer_b: B. The F region is unstable during daylight hours
answer_c: C. The D region absorbs signals at these frequencies during daylight hours
answer_d: D. The E region is unstable during daylight hours
question:
Why is long-distance communication on the 40-, 60-, 80-, and 160-meter bands more difficult during the day?


class: G
subelement: 4
group_index: A
group_number: 04
answer: B
answer_a: A. A pronounced peak
answer_b: B. A pronounced dip
answer_c: C. No change will be observed
answer_d: D. A slow, rhythmic oscillation
question:
What is the effect on plate current of the correct setting of a vacuum-tube RF power amplifier’s TUNE control?


class: G
subelement: 4
group_index: A
group_number: 08
answer: D
answer_a: A. Minimum SWR on the antenna
answer_b: B. Minimum plate current without exceeding maximum allowable grid current
answer_c: C. Highest plate voltage while minimizing grid current
answer_d: D. Desired power output without exceeding maximum allowable plate current
question:
What is the correct adjustment for the LOAD or COUPLING control of a vacuum tube RF power amplifier?


class: G
subelement: 4
group_index: A
group_number: 09
answer: C
answer_a: A. To prevent key clicks on CW
answer_b: B. To prevent transient overmodulation
answer_d: D. To allow time for the amplifier power supply to reach operating level
question:
What is the purpose of delaying RF output after activating a transmitter’s keying line to an external amplifier?

answer_c:
C. To allow time for the amplifier to switch the antenna between the transceiver and the amplifier output


class: G
subelement: 4
group_index: B
group_number: 03
answer: A
answer_a: A. An oscilloscope
answer_b: B. A field strength meter
answer_c: C. A sidetone monitor
answer_d: D. A wavemeter
question:
Which of the following is the best instrument to use for checking the keying waveform of a CW transmitter?


class: G
subelement: 4
group_index: B
group_number: 04
answer: D
answer_a: A. The local oscillator of the transmitter
answer_b: B. An external RF oscillator
answer_c: C. The transmitter balanced mixer output
answer_d: D. The attenuated RF output of the transmitter
question:
What signal source is connected to the vertical input of an oscilloscope when checking the RF envelope pattern of a transmitted signal?


class: G
subelement: 4
group_index: B
group_number: 11
answer: C
answer_a: A. Receiver
answer_b: B. Transmitter
answer_c: C. Antenna and feed line
answer_d: D. All these choices are correct
question:
Which of the following must be connected to an antenna analyzer when it is being used for SWR measurements?


class: G
subelement: 4
group_index: C
group_number: 03
answer: C
answer_a: A. A steady hum whenever the transmitter is on the air
answer_b: B. On-and-off humming or clicking
answer_c: C. Distorted speech
answer_d: D. Clearly audible speech
question:
What sound is heard from an audio device experiencing RF interference from a single sideband phone transmitter?


class: G
subelement: 4
group_index: C
group_number: 08
answer: A
answer_a: A. Place a ferrite choke on the cable
answer_b: B. Connect the center conductor to the shield of all cables to short circuit the RFI signal
answer_c: C. Ground the center conductor of the audio cable causing the interference
answer_d: D. Add an additional insulating jacket to the cable
question:
Which of the following would reduce RF interference caused by common-mode current on an audio cable?


class: G
subelement: 4
group_index: D
group_number: 05
answer: D
answer_a: A. It is 10 times less powerful
answer_b: B. It is 20 times less powerful
answer_c: C. It is 20 times more powerful
answer_d: D. It is 100 times more powerful
question:
How does a signal that reads 20 dB over S9 compare to one that reads S9 on a receiver, assuming a properly calibrated S meter?


class: G
subelement: 4
group_index: D
group_number: 07
answer: C
answer_a: A. Approximately 1.5 times
answer_b: B. Approximately 2 times
answer_c: C. Approximately 4 times
answer_d: D. Approximately 8 times
question:
How much must the power output of a transmitter be raised to change the S meter reading on a distant receiver from S8 to S9?


class: G
subelement: 4
group_index: D
group_number: 08
answer: C
answer_a: A. 7.178 MHz to 7.181 MHz
answer_b: B. 7.178 MHz to 7.184 MHz
answer_c: C. 7.175 MHz to 7.178 MHz
answer_d: D. 7.1765 MHz to 7.1795 MHz
question:
What frequency range is occupied by a 3 kHz LSB signal when the displayed carrier frequency is set to 7.178 MHz?


class: G
subelement: 4
group_index: D
group_number: 09
answer: B
answer_a: A. 14.347 MHz to 14.647 MHz
answer_b: B. 14.347 MHz to 14.350 MHz
answer_c: C. 14.344 MHz to 14.347 MHz
answer_d: D. 14.3455 MHz to 14.3485 MHz
question:
What frequency range is occupied by a 3 kHz USB signal with the displayed carrier frequency set to 14.347 MHz?


class: G
subelement: 4
group_index: D
group_number: 10
answer: A
answer_a: A. At least 3 kHz above the edge of the segment
answer_b: B. At least 3 kHz below the edge of the segment
answer_c: C. At least 1 kHz below the edge of the segment
answer_d: D. At least 1 kHz above the edge of the segment
question:
How close to the lower edge of a band’s phone segment should your displayed carrier frequency be when using 3 kHz wide LSB?


class: G
subelement: 4
group_index: D
group_number: 11
answer: B
answer_a: A. At least 3 kHz above the edge of the band
answer_b: B. At least 3 kHz below the edge of the band
answer_c: C. At least 1 kHz above the edge of the segment
answer_d: D. At least 1 kHz below the edge of the segment
question:
How close to the upper edge of a band’s phone segment should your displayed carrier frequency be when using 3 kHz wide USB?


class: G
subelement: 4
group_index: E
group_number: 03
answer: A
answer_a: A. To the battery using heavy-gauge wire
answer_b: B. To the alternator or generator using heavy-gauge wire
answer_c: C. To the battery using insulated heavy duty balanced transmission line
answer_d: D. To the alternator or generator using insulated heavy duty balanced transmission line
question:
Which of the following direct, fused power connections would be the best for a 100-watt HF mobile installation?


class: G
subelement: 4
group_index: E
group_number: 04
answer: B
answer_a: A. The socket is not wired with an RF-shielded power cable
answer_b: B. The socket’s wiring may be inadequate for the current drawn by the transceiver
answer_c: C. The DC polarity of the socket is reversed from the polarity of modern HF transceivers
answer_d: D. Drawing more than 50 watts from this socket could cause the engine to overheat
question:
Why should DC power for a 100-watt HF transceiver not be supplied by a vehicle’s auxiliary power socket?


class: G
subelement: 4
group_index: E
group_number: 10
answer: B
answer_a: A. To prevent overload by regulating the charging voltage
answer_b: B. To prevent discharge of the battery through the panel during times of low or no illumination
answer_c: C. To limit the current flowing from the panel to a safe value
answer_d: D. To prevent damage to the battery due to excessive voltage at high illumination levels
question:
Why should a series diode be connected between a solar panel and a storage battery that is being charged by the panel?


class: G
subelement: 5
group_index: B
group_number: 05
answer: A
answer_a: A. Approximately 61 milliwatts
answer_b: B. Approximately 61 watts
answer_c: C. Approximately 11 milliwatts
answer_d: D. Approximately 11 watts
question:
How many watts are consumed when a current of 7.0 milliamperes flows through a 1,250-ohm resistance?


class: G
subelement: 5
group_index: B
group_number: 07
answer: C
answer_a: A. The peak-to-peak value
answer_b: B. The peak value
answer_c: C. The RMS value
answer_d: D. The reciprocal of the RMS value
question:
What value of an AC signal produces the same power dissipation in a resistor as a DC voltage of the same value?


class: G
subelement: 5
group_index: C
group_number: 01
answer: C
answer_a: A. Capacitive coupling
answer_b: B. Displacement current coupling
answer_c: C. Mutual inductance
answer_d: D. Mutual capacitance
question:
What causes a voltage to appear across the secondary winding of a transformer when an AC voltage source is connected across its primary winding?


class: G
subelement: 5
group_index: C
group_number: 02
answer: A
answer_a: A. The input voltage is multiplied by 4
answer_b: B. The input voltage is divided by 4
answer_c: C. Additional resistance must be added in series with the primary to prevent overload
answer_d: D. Additional resistance must be added in parallel with the secondary to prevent overload
question:
What is the output voltage if an input signal is applied to the secondary winding of a 4:1 voltage step-down transformer instead of the primary winding?


class: G
subelement: 5
group_index: C
group_number: 05
answer: B
answer_a: A. To improve the coupling between the primary and secondary
answer_b: B. To accommodate the higher current of the primary
answer_c: C. To prevent parasitic oscillations due to resistive losses in the primary
answer_d: D. To ensure that the volume of the primary winding is equal to the volume of the secondary winding
question:
Why is the primary winding wire of a voltage step-up transformer usually a larger size than that of the secondary winding?


class: G
subelement: 5
group_index: C
group_number: 06
answer: A
answer_a: A. 360 volts
answer_b: B. 120 volts
answer_c: C. 40 volts
answer_d: D. 25.5 volts
question:
What is the voltage output of a transformer with a 500-turn primary and a 1500-turn secondary when 120 VAC is applied to the primary?


class: G
subelement: 5
group_index: C
group_number: 07
answer: A
answer_a: A. 3.5 to 1
answer_b: B. 12 to 1
answer_c: C. 24 to 1
answer_d: D. 144 to 1
question:
What transformer turns ratio matches an antenna’s 600-ohm feed point impedance to a 50-ohm coaxial cable?


class: G
subelement: 5
group_index: C
group_number: 08
answer: D
answer_a: A. 576.9 nanofarads
answer_b: B. 1,733 picofarads
answer_c: C. 3,583 picofarads
answer_d: D. 10.750 nanofarads
question:
What is the equivalent capacitance of two 5.0-nanofarad capacitors and one 750-picofarad capacitor connected in parallel?


class: G
subelement: 5
group_index: C
group_number: 11
answer: C
answer_a: A. 7 millihenries
answer_b: B. 14.3 millihenries
answer_c: C. 70 millihenries
answer_d: D. 1,000 millihenries
question:
What is the inductance of a circuit with a 20-millihenry inductor connected in series with a 50-millihenry inductor?


class: G
subelement: 5
group_index: C
group_number: 12
answer: B
answer_a: A. 0.07 microfarads
answer_b: B. 14.3 microfarads
answer_c: C. 70 microfarads
answer_d: D. 1,000 microfarads
question:
What is the capacitance of a 20-microfarad capacitor connected in series with a 50-microfarad capacitor?


class: G
subelement: 6
group_index: A
group_number: 01
answer: C
answer_a: A. 6 volts
answer_b: B. 8.5 volts
answer_c: C. 10.5 volts
answer_d: D. 12 volts
question:
What is the minimum allowable discharge voltage for maximum life of a standard 12-volt lead-acid battery?


class: G
subelement: 6
group_index: B
group_number: 03
answer: A
answer_a: A. Low power consumption
answer_b: B. High power handling capability
answer_c: C. Better suited for RF amplification
answer_d: D. Better suited for power supply regulation
question:
Which of the following is an advantage of CMOS integrated circuits compared to TTL integrated circuits?


class: G
subelement: 6
group_index: B
group_number: 12
answer: C
answer_a: A. PL-259
answer_b: B. BNC
answer_c: C. RCA Phono
answer_d: D. Type N
question:
Which of these connector types is commonly used for low frequency or dc signal connections to a transceiver?


class: G
subelement: 7
group_index: A
group_number: 08
answer: C
answer_a: A. Faster switching time makes higher output voltage possible
answer_b: B. Fewer circuit components are required
answer_c: C. High-frequency operation allows the use of smaller components
answer_d: D. Inherently more stable
question:
Which of the following is characteristic of a switchmode power supply as compared to a linear power supply?


class: G
subelement: 7
group_index: B
group_number: 11
answer: B
answer_a: A. SSB
answer_b: B. FM
answer_c: C. AM
answer_d: D. All these choices are correct
question:
For which of the following modes is a Class C power stage appropriate for amplifying a modulated signal?


class: G
subelement: 7
group_index: C
group_number: 06
answer: A
answer_a: A. A wide range of filter bandwidths and shapes can be created
answer_b: B. Fewer digital components are required
answer_c: C. Mixing products are greatly reduced
answer_d: D. The DSP filter is much more effective at VHF frequencies
question:
Which of the following is an advantage of a digital signal processing (DSP) filter compared to an analog filter?


class: G
subelement: 7
group_index: C
group_number: 09
answer: B
answer_a: A. Zero
answer_b: B. 90 degrees
answer_c: C. 180 degrees
answer_d: D. 45 degrees
question:
What is the phase difference between the I and Q RF signals that software-defined radio (SDR) equipment uses for modulation and demodulation?


class: G
subelement: 7
group_index: C
group_number: 12
answer: C
answer_a: A. Notch frequency
answer_b: B. Neper frequency
answer_c: C. Cutoff frequency
answer_d: D. Rolloff frequency
question:
What is the frequency above which a low-pass filter’s output power is less than half the input power?


class: G
subelement: 8
group_index: A
group_number: 03
answer: D
answer_a: A. Frequency convolution
answer_b: B. Frequency transformation
answer_c: C. Frequency conversion
answer_d: D. Frequency modulation
question:
What is the name of the process that changes the instantaneous frequency of an RF wave to convey information?


question: What is QPSK modulation?
class: G
subelement: 8
group_index: A
group_number: 12
answer: D
answer_a: A. Modulation using quasi-parallel to serial conversion to reduce bandwidth
answer_b: B. Modulation using quadra-pole sideband keying to generate spread spectrum signals
answer_c:
C. Modulation using Fast Fourier Transforms to generate frequencies at the first, second, third, and fourth harmonics of the carrier frequency to improve noise immunity

answer_d:
D. Modulation in which digital data is transmitted using 0-, 90-, 180- and 270-degrees phase shift to represent pairs of bits


question: What is link margin?
class: G
subelement: 8
group_index: A
group_number: 14
answer: B
answer_a: A. The opposite of fade margin
answer_c: C. Transmit power minus receiver sensitivity
answer_d: D. Receiver sensitivity plus 3 dB
answer_b:
B. The difference between received power level and minimum required signal level at the input to the receiver


class: G
subelement: 8
group_index: B
group_number: 01
answer: B
answer_a: A. Image frequency
answer_b: B. Local oscillator
answer_c: C. RF input
answer_d: D. Beat frequency oscillator
question:
Which mixer input is varied or tuned to convert signals of different frequencies to an intermediate frequency (IF)?


class: G
subelement: 8
group_index: B
group_number: 04
answer: D
answer_a: A. Mixer
answer_b: B. Reactance modulator
answer_c: C. Balanced converter
answer_d: D. Multiplier
question:
What is the stage in a VHF FM transmitter that generates a harmonic of a lower frequency signal to reach the desired operating frequency?


class: G
subelement: 8
group_index: B
group_number: 06
answer: D
answer_a: A. 3 kHz
answer_b: B. 5 kHz
answer_c: C. 8 kHz
answer_d: D. 16 kHz
question:
What is the total bandwidth of an FM phone transmission having 5 kHz deviation and 3 kHz modulating frequency?


class: G
subelement: 8
group_index: B
group_number: 07
answer: B
answer_a: A. 101.75 Hz
answer_b: B. 416.7 Hz
answer_c: C. 5 kHz
answer_d: D. 60 kHz
question:
What is the frequency deviation for a 12.21 MHz reactance modulated oscillator in a 5 kHz deviation, 146.52 MHz FM phone transmitter?


class: G
subelement: 8
group_index: B
group_number: 11
answer: C
answer_a: A. The ratio
answer_b: B. The average
answer_c: C. The sum and difference
answer_d: D. The arithmetic product
question:
What combination of a mixer’s Local Oscillator (LO) and RF input frequencies is found in the output?


class: G
subelement: 8
group_index: C
group_number: 06
answer: B
answer_a: A. The checksum overflows
answer_b: B. The connection is dropped
answer_c: C. Packets will be routed incorrectly
answer_d: D. Encoding reverts to the default character set
question:
What action results from a failure to exchange information due to excessive transmission attempts when using an ARQ mode?


class: G
subelement: 8
group_index: C
group_number: 07
answer: B
answer_a: A. MSK144
answer_b: B. FT8
answer_c: C. AMTOR
answer_d: D. MFSK32
question:
Which of the following narrow-band digital modes can receive signals with very low signal-to-noise ratios?


class: G
subelement: 8
group_index: C
group_number: 13
answer: D
answer_a: A. Long path propagation
answer_b: B. Backscatter propagation
answer_c: C. Insufficient modulation
answer_d: D. Overmodulation
question:
What is indicated on a waterfall display by one or more vertical lines on either side of a data mode or RTTY signal?


class: G
subelement: 9
group_index: A
group_number: 01
answer: A
answer_a: A. The distance between the centers of the conductors and the radius of the conductors
answer_b: B. The distance between the centers of the conductors and the length of the line
answer_c: C. The radius of the conductors and the frequency of the signal
answer_d: D. The frequency of the signal and the length of the line
question:
Which of the following factors determine the characteristic impedance of a parallel conductor feed line?


question: What must be done to prevent standing waves on a feed line connected to an antenna?
class: G
subelement: 9
group_index: A
group_number: 07
answer: D
answer_a: A. The antenna feed point must be at DC ground potential
answer_b: B. The feed line must be an odd number of electrical quarter wavelengths long
answer_c: C. The feed line must be an even number of physical half wavelengths long
answer_d:
D. The antenna feed point impedance must be matched to the characteristic impedance of the feed line


class: G
subelement: 9
group_index: A
group_number: 08
answer: B
answer_a: A. 1:1
answer_b: B. 5:1
answer_c: C. Between 1:1 and 5:1 depending on the characteristic impedance of the line
answer_d: D. Between 1:1 and 5:1 depending on the reflected power at the transmitter
question:
If the SWR on an antenna feed line is 5:1, and a matching network at the transmitter end of the feed line is adjusted to present a 1:1 SWR to the transmitter, what is the resulting SWR on the feed line?


class: G
subelement: 9
group_index: B
group_number: 02
answer: B
answer_a: A. Slope the radials upward
answer_b: B. Slope the radials downward
answer_c: C. Lengthen the radials beyond one wavelength
answer_d: D. Coil the radials
question:
Which of the following is a common way to adjust the feed point impedance of an elevated quarter-wave ground-plane vertical antenna to be approximately 50 ohms?


class: G
subelement: 9
group_index: B
group_number: 03
answer: D
answer_a: A. Bi-directional in azimuth
answer_b: B. Isotropic
answer_c: C. Hemispherical
answer_d: D. Omnidirectional in azimuth
question:
Which of the following best describes the radiation pattern of a quarter-wave ground-plane vertical antenna?


class: G
subelement: 9
group_index: B
group_number: 04
answer: A
answer_a: A. It is a figure-eight at right angles to the antenna
answer_b: B. It is a figure-eight off both ends of the antenna
answer_c: C. It is a circle (equal radiation in all directions)
answer_d: D. It has a pair of lobes on one side of the antenna and a single lobe on the other side
question:
What is the radiation pattern of a dipole antenna in free space in a plane containing the conductor?


class: G
subelement: 9
group_index: B
group_number: 05
answer: C
answer_a: A. If the antenna is too high, the pattern becomes unpredictable
answer_b: B. Antenna height has no effect on the pattern
answer_c: C. If the antenna is less than 1/2 wavelength high, the azimuthal pattern is almost omnidirectional
question:
How does antenna height affect the azimuthal radiation pattern of a horizontal dipole HF antenna at elevation angles higher than about 45 degrees?

answer_d:
D. If the antenna is less than 1/2 wavelength high, radiation off the ends of the wire is eliminated


class: G
subelement: 9
group_index: B
group_number: 07
answer: B
answer_a: A. It steadily increases
answer_b: B. It steadily decreases
answer_c: C. It peaks at about 1/8 wavelength above ground
answer_d: D. It is unaffected by the height above ground
question:
How does the feed point impedance of a horizontal 1/2 wave dipole antenna change as the antenna height is reduced to 1/10 wavelength above ground?


class: G
subelement: 9
group_index: B
group_number: 08
answer: A
answer_a: A. It steadily increases
answer_b: B. It steadily decreases
answer_c: C. It peaks at about 1/8 wavelength from the end
answer_d: D. It is unaffected by the location of the feed point
question:
How does the feed point impedance of a 1/2 wave dipole change as the feed point is moved from the center toward the ends?


class: G
subelement: 9
group_index: B
group_number: 09
answer: A
answer_a: A. Lower ground losses
answer_b: B. Lower feed point impedance
answer_c: C. Shorter radials
answer_d: D. Lower radiation resistance
question:
Which of the following is an advantage of using a horizontally polarized as compared to a vertically polarized HF antenna?


class: G
subelement: 9
group_index: C
group_number: 03
answer: A
answer_a: A. The reflector is longer, and the director is shorter
answer_b: B. The reflector is shorter, and the director is longer
answer_c: C. They are all the same length
answer_d: D. Relative length depends on the frequency of operation
question:
How do the lengths of a three-element Yagi reflector and director compare to that of the driven element?


class: G
subelement: 9
group_index: C
group_number: 09
answer: B
answer_a: A. Approximately 1.5 dB higher
answer_b: B. Approximately 3 dB higher
answer_c: C. Approximately 6 dB higher
answer_d: D. Approximately 9 dB higher
question:
In free space, how does the gain of two three-element, horizontally polarized Yagi antennas spaced vertically 1/2 wavelength apart typically compare to the gain of a single three-element Yagi?


class: G
subelement: 9
group_index: C
group_number: 10
answer: D
answer_a: A. The physical length of the boom
answer_b: B. The number of elements on the boom
answer_c: C. The spacing of each element along the boom
answer_d: D. All these choices are correct
question:
Which of the following can be adjusted to optimize forward gain, front-to-back ratio, or SWR bandwidth of a Yagi antenna?


question: What is a beta or hairpin match?
class: G
subelement: 9
group_index: C
group_number: 11
answer: A
answer_c: C. A series capacitor selected to cancel the inductive reactance of a folded dipole antenna
answer_d: D. A section of 300-ohm twin-lead transmission line used to match a folded dipole antenna
answer_a:
A. A shorted transmission line stub placed at the feed point of a Yagi antenna to provide impedance matching

answer_b:
B. A 1/4 wavelength section of 75-ohm coax in series with the feed point of a Yagi to provide impedance matching


class: G
subelement: 9
group_index: D
group_number: 01
answer: A
answer_a: A. A horizontal dipole placed between 1/10 and 1/4 wavelength above the ground
answer_b: B. A vertical antenna placed between 1/4 and 1/2 wavelength above the ground
answer_c: C. A horizontal dipole placed at approximately 1/2 wavelength above the ground
answer_d: D. A vertical dipole placed at approximately 1/2 wavelength above the ground
question:
Which of the following antenna types will be most effective as a near vertical incidence skywave (NVIS) antenna for short-skip communications on 40 meters during the day?


class: G
subelement: 9
group_index: D
group_number: 10
answer: B
answer_a: A. In the plane of the loop
answer_b: B. Broadside to the loop
answer_c: C. Broadside and in the plane of the loop
answer_d: D. Electrically small loops are omnidirectional
question:
In which direction or directions does an electrically small loop (less than 1/10 wavelength in circumference) have nulls in its radiation pattern?


class: G
subelement: 0
group_index: A
group_number: 05
answer: A
answer_a: A. Take action to prevent human exposure to the excessive RF fields
answer_b: B. File an Environmental Impact Statement (EIS-97) with the FCC
answer_c: C. Secure written permission from your neighbors to operate above the controlled MPE limits
answer_d: D. All these choices are correct
question:
 [97.13(c)(2), 1.1307(b)]What must you do if an evaluation of your station shows that the RF energy radiated by your station exceeds permissible limits for possible human absorption?


class: G
subelement: 0
group_index: A
group_number: 06
answer: A
answer_a: A. Perform an RF Exposure Evaluation in accordance with FCC OET Bulletin 65
answer_b: B. Contact the FCC for permission to transmit
answer_d: D. Use an FCC-approved band-pass filter
question:
 [97.13(c)(2), 1.1307(1)(b)(3)(i)]What must you do if your station fails to meet the FCC RF exposure exemption criteria?

answer_c:
C. Perform an RF exposure evaluation in accordance with World Meteorological Organization guidelines


class: G
subelement: 0
group_index: A
group_number: 08
answer: C
answer_a: A. Post a copy of FCC Part 97.13 in the station
answer_d: D. All these choices are correct
question:
 [97.13(c)(2)]Which of the following steps must an amateur operator take to ensure compliance with RF safety regulations?

answer_b:
B. Notify neighbors within a 100-foot radius of the antenna of the existence of the station and power levels

answer_c:
C. Perform a routine RF exposure evaluation and prevent access to any identified high exposure areas


class: G
subelement: 0
group_index: A
group_number: 10
answer: C
answer_a: A. Change to a non-polarized antenna with higher gain
answer_b: B. Use an antenna with a higher front-to-back ratio
answer_d: D. All these choices are correct
question:
What should be done if evaluation shows that a neighbor might experience more than the allowable limit of RF exposure from the main lobe of a directional antenna?

answer_c:
C. Take precautions to ensure that the antenna cannot be pointed in their direction when they are present


class: G
subelement: 0
group_index: B
group_number: 01
answer: A
answer_a: A. Only the hot wires
answer_b: B. Only the neutral wire
answer_c: C. Only the ground wire
answer_d: D. All wires
question:
Which wire or wires in a four-conductor 240 VAC circuit should be attached to fuses or circuit breakers?


class: G
subelement: 0
group_index: B
group_number: 02
answer: C
answer_a: A. AWG number 20
answer_b: B. AWG number 16
answer_c: C. AWG number 12
answer_d: D. AWG number 8
question:
According to the National Electrical Code, what is the minimum wire size that may be used safely for wiring with a 20-ampere circuit breaker?


class: G
subelement: 0
group_index: B
group_number: 03
answer: D
answer_a: A. 30 amperes
answer_b: B. 25 amperes
answer_c: C. 20 amperes
answer_d: D. 15 amperes
question:
Which size of fuse or circuit breaker would be appropriate to use with a circuit that uses AWG number 14 wiring?


class: G
subelement: 0
group_index: B
group_number: 05
answer: B
answer_a: A. Current flowing from one or more of the hot wires to the neutral wire
answer_b: B. Current flowing from one or more of the hot wires directly to ground
answer_c: C. Overvoltage on the hot wires
answer_d: D. All these choices are correct
question:
Which of the following conditions will cause a ground fault circuit interrupter (GFCI) to disconnect AC power?


question: Which of these choices should be observed when climbing a tower using a safety harness?
class: G
subelement: 0
group_index: B
group_number: 07
answer: B
answer_a: A. Always hold on to the tower with one hand
answer_c: C. Ensure that all heavy tools are securely fastened to the harness
answer_d: D. All these choices are correct
answer_b:
B. Confirm that the harness is rated for the weight of the climber and that it is within its allowable service life


