Amateur Extra · correct answers only, in question-pool order.
A 3 kHz-wide USB signal extends upward from the displayed carrier frequency. With the carrier at 14.348 MHz, the upper portion of the emission extends beyond the 14.350 MHz band edge.
An LSB signal extends below the displayed carrier frequency. Using 3 kHz as the occupied voice bandwidth, the carrier must be at least 3 kHz above the lower band edge.
A 2.8 kHz USB data signal extends upward from its carrier. Subtracting 2.8 kHz from the 14.150 MHz data-segment edge gives a highest legal carrier frequency of 14.1472 MHz.
LSB extends below the displayed carrier. At 3.601 MHz, part of the emission would fall below the lower edge of the permitted phone segment.
Aboard a US-documented or registered vessel or craft, the station apparatus must be under the physical control of a person holding an FCC amateur license or authorized for alien reciprocal operation.
On the channelized 60-meter band, CW must be transmitted at the center frequency of the channel.
The maximum permitted power on the 2200-meter band is 1 watt EIRP.
In a message-forwarding system, primary responsibility for an illegal message remains with the control operator of the station that originated it.
Except in specified parts of Alaska, the maximum permitted power on the 630-meter band is 5 watts EIRP.
An amateur station installed aboard a ship or aircraft may be operated only with approval of the vessel's master or the aircraft's pilot in command.
Any FCC-issued amateur license is sufficient for amateur operation aboard a US-registered vessel in international waters, subject to the applicable operating rules.
A spurious emission is unwanted energy outside the signal's necessary bandwidth that can be reduced or eliminated without affecting the information being transmitted.
The Extra pool identifies 3 kHz as an acceptable bandwidth for HF digital voice or slow-scan television.
Amateur stations must protect an FCC monitoring facility from harmful interference when operating within one mile of it.
If a 70-centimeter repeater interferes with a radiolocation system, the repeater control operator must stop operation or modify the repeater so the interference is mitigated.
The National Radio Quiet Zone is the protected area surrounding the National Radio Astronomy Observatory.
An amateur antenna structure near a public-use airport may trigger FAA notification and FCC registration requirements under Part 17.
PRB-1 addresses state and local zoning regulations affecting amateur radio antenna structures.
If a properly designed broadcast receiver suffers interference from an amateur station, the FCC may restrict the amateur station from transmitting during certain hours on the frequencies causing the interference.
Any FCC-licensed amateur station may operate under RACES rules if it is certified by the responsible civil-defense organization for the area served.
A RACES station may use any amateur-service frequency authorized to its control operator.
PRB-1 requires state and local regulations to make reasonable accommodation for amateur radio communications.
The maximum permitted bandwidth for a data emission on 60 meters is 2.8 kHz.
International amateur communications must be limited to communications incidental to the purposes of the Amateur Radio Service and remarks of a personal nature.
After notifying the Utilities Technology Council, an operator may begin 2200- or 630-meter operation after 30 days if not told the station is within 1 kilometer of a relevant PLC system.
IARP is a permit that allows US amateurs to operate in certain countries of the Americas.
An automatically controlled station may transmit third-party communications only when using RTTY or data emissions.
To operate under CEPT arrangements in participating foreign countries, a US amateur must carry a copy of FCC Public Notice DA 16-1048.
Before transmitting on 630 or 2200 meters, operators must notify the Utilities Technology Council of their call sign and station coordinates.
If a remote-control link fails, the station's transmissions may continue for no more than three minutes.
Below 29 MHz, the maximum modulation index permitted at the highest modulating frequency for angle modulation is 1.0.
Below 30 MHz, a spurious emission must be at least 43 dB below the mean power of the fundamental emission under the rule represented here.
CEPT reciprocal operating arrangements allow FCC-licensed US citizens to operate in many European countries and allow qualifying European amateurs to operate in the United States.
Phone emissions are permitted throughout the entire 630-meter band.
Telemetry is the one-way transmission of measurements from a remote measuring instrument.
Part 97 permits encrypted messages when they are telecommand signals sent from a space telecommand station.
A space telecommand station sends signals to initiate, modify, or terminate functions of a space station.
A balloon-borne telemetry station must identify using its call sign.
The official E1D05 source lists a photocopy of the station license as one item that must be posted at the location of a telecommanded station on or within 50 kilometers of Earth's surface.
The official E1D05 source requires a label with the station licensee's name, address, and telephone number at the telecommanded station location.
The official E1D05 source also requires a label with the control operator's name, address, and telephone number at the station location.
The maximum transmitter output power for telecommand of a model craft is 1 watt.
The HF bands listed for space-station allocations are 40, 20, 15, and 10 meters.
Of the VHF amateur bands, only 2 meters includes frequencies authorized for space stations.
The UHF amateur bands with frequencies authorized for space stations are 70 centimeters and 13 centimeters.
Any amateur station designated by the space-station licensee may serve as a telecommand station, subject to the privileges of the control operator.
Any amateur station may operate as an Earth station, subject to the frequency privileges of its control operator.
Space stations, beacon stations, and telecommand stations are among the amateur stations permitted to transmit one-way communications.
Part 97 allows VEs and VECs to be reimbursed for out-of-pocket expenses incurred in preparing, processing, administering, and coordinating amateur examinations.
Volunteer Examiner Coordinators are responsible for maintaining the question pools used for US amateur license examinations.
A Volunteer Examiner Coordinator is an organization that has an agreement with the FCC to coordinate, prepare, and administer amateur operator examinations.
A prospective VE becomes accredited when a VEC confirms that the applicant meets the FCC requirements to serve as an examiner.
If an examinee does not pass, the VE team must return the application document to the examinee.
Each administering Volunteer Examiner is responsible for proper conduct and necessary supervision during the examination session.
If a candidate fails to comply with an examiner's instructions, the VE should immediately terminate that candidate's examination.
A VE may not administer an examination to relatives identified in the FCC rules.
Fraudulent examination administration or certification can result in revocation of the VE's amateur station license grant and suspension of the amateur operator license grant.
After a successful examination, the administering VEs submit the application document to the coordinating VEC according to that VEC's instructions.
When an examinee passes all elements needed for a new license or upgrade, three VEs must certify the applicant's qualification and their compliance with VE requirements.
Spread-spectrum transmissions are permitted only on amateur frequencies above 222 MHz.
A Canadian amateur operating in the United States receives the operating terms and conditions of the Canadian license, but may not exceed US Amateur Extra privileges.
An uncertified external RF power amplifier capable of operation below 144 MHz may be sold when it was constructed or modified by an amateur radio operator for use at an amateur station.
Line A is approximately a line running parallel to and south of the US-Canada border.
North of Line A in the contiguous 48 states, amateur stations may not transmit in the 420 to 430 MHz segment.
The FCC may issue a Special Temporary Authority to allow experimental amateur communications that are not otherwise covered by normal authorization.
An amateur station may send a message to a business when neither the amateur nor the amateur's employer has a pecuniary interest in the communication.
Amateur communications transmitted for hire or material compensation are prohibited except where the rules specifically provide otherwise.
Messages intentionally encoded to obscure their meaning cannot be transmitted over an amateur radio mesh network.
An auxiliary station control operator must hold Technician, General, Advanced, or Amateur Extra class privileges.
For FCC certification, an external RF power amplifier must meet spurious-emission standards when operated at the lesser of 1500 watts or its full output power.