Deep Dive: E1F03
The correct answer is D: The amplifier is constructed or modified by an amateur radio operator for use at an amateur station. Under what circumstances may a dealer sell an external RF power amplifier capable of operation below 144 MHz if it has not been granted FCC certification is if the amplifier is constructed or modified by an amateur radio operator for use at an amateur station. Amateur-built amplifiers can be sold without FCC certification. For amateur radio operators, this is important for understanding amplifier sales. Understanding this helps when buying or selling amplifiers.
Why Other Answers Are Wrong
Option A: Incorrect. Gain less than 23 dB when driven by 10 watts or less isn't the exception - amateur-built amplifiers are the exception. Gain limit isn't the exception. Option B: Incorrect. Equipment dealer assembled from kit isn't the exception - amateur-built amplifiers are the exception. Dealer assembly isn't the exception. Option C: Incorrect. Manufactured and certificated in reciprocal country isn't the exception - amateur-built amplifiers are the exception. Reciprocal certification isn't the exception.
Exam Tip
Sell uncertified amplifier below 144 MHz = amplifier constructed/modified by amateur for amateur station use. Think 'U'ncertified 'A'mplifier = 'U'nique 'A'mateur-built exception. Amateur-built amplifiers can be sold without FCC certification. Not gain limit, not dealer assembly, not reciprocal certification - just amateur-built.
Memory Aid
Sell uncertified amplifier below 144 MHz = amplifier constructed/modified by amateur for amateur station use. Think 'U'ncertified 'A'mplifier = 'A'mateur-built. Amateur-built amplifiers can be sold without FCC certification. Important for understanding amplifier sales.
Real-World Example
An external RF power amplifier capable of operation below 144 MHz without FCC certification: A dealer may sell it if the amplifier is constructed or modified by an amateur radio operator for use at an amateur station. Amateur-built amplifiers are exempt from certification requirements. This is the exception - amateur-built amplifiers can be sold without certification.
Source & Coverage
Question Pool: 2024-2028 Question Pool
Subelement: E1F
Reference: FCC Part 97.315
Key Concepts
Verified Content
Question from the official FCC Extra Class pool. Explanation reviewed by licensed amateur radio operators and mapped to the E1F topic.