Extra Class
The highest level of amateur radio license with full operating privileges on all amateur bands. Most technical exam. 50 questions, 37 needed to pass.
Related Topic Hubs
Jump into the themes that show up most often in the Extra Class pool.
Ohm’s law, circuits, components, resonance, filters, receiver performance, test gear, electronics, and practical exam math.
Licensing, band privileges, identification, control operator duties, emergency service, and Part 97 operating rules.
Digital operation, CW, satellites, television, packet, APRS, FT8/FT4, RTTY, and mode-specific exam concepts.
Recommended Guides
Use these guides to understand the patterns behind this question pool before you brute-force every question.
Extra Class Electronics & Circuit Knowledge: Complete Study Guide
Master the electronics and circuit theory sections of the Amateur Extra exam with this comprehensive breakdown of formulas, concepts, and study strategies.
Extra Class: Is It Worth It?
Considering the Amateur Extra license? Learn about the benefits, challenges, and whether upgrading makes sense for your ham radio goals.
General Class HF Privileges: Complete Guide to Amateur Radio HF Bands
Master HF band privileges for your General Class license. Comprehensive breakdown of frequencies, modes, power limits, and operating tips for 160m through 10m bands.
Why is it not legal to transmit a 3 kHz bandwidth USB signal with a carrier frequency of 14.348 MHz?
When using a transceiver that displays the carrier frequency of phone signals, which of the following displayed frequencies represents the lowest frequency at which a properly adjusted LSB emission will be totally within the band?
What is the highest legal carrier frequency on the 20-meter band for transmitting a 2.8 kHz wide USB data signal?
May an Extra class operator answer the CQ of a station on 3.601 MHz LSB phone?
Who must be in physical control of the station apparatus of an amateur station aboard any vessel or craft that is documented or registered in the United States?
What is the required transmit frequency of a CW signal for channelized 60 meter operation?
What is the maximum power permitted on the 2200-meter band?
If a station in a message forwarding system inadvertently forwards a message that is in violation of FCC rules, who is primarily accountable for the rules violation?
Except in some parts of Alaska, what is the maximum power permitted on the 630-meter band?
If an amateur station is installed aboard a ship or aircraft, what condition must be met before the station is operated?
What licensing is required when operating an amateur station aboard a US-registered vessel in international waters?
Which of the following constitutes a spurious emission?
Which of the following is an acceptable bandwidth for digital voice or slow-scan TV transmissions made on the HF amateur bands?
Within what distance must an amateur station protect an FCC monitoring facility from harmful interference?
What must the control operator of a repeater operating in the 70-centimeter band do if a radiolocation system experiences interference from that repeater?
What is the National Radio Quiet Zone?
Which of the following additional rules apply if you are erecting an amateur station antenna structure at a site at or near a public use airport?
To what type of regulations does PRB-1 apply?
What limitations may the FCC place on an amateur station if its signal causes interference to domestic broadcast reception, assuming that the receivers involved are of good engineering design?
Which amateur stations may be operated under RACES rules?
HAM Test Bank Editorial Team
Licensed Amateur Radio Operators & Volunteer Examiners
Content for Extra Class exam questions is based on official FCC Part 97 regulations and the NCVEC question pool.