Deep Dive: E2D08
The correct answer is C: Unnumbered Information. What type of packet frame is used to transmit APRS beacon data is Unnumbered Information. APRS beacons use UI (Unnumbered Information) frames. For amateur radio operators, this is important for APRS operation. Understanding this helps when operating APRS.
Why Other Answers Are Wrong
Option A (Acknowledgement): Incorrect. Acknowledgement frames aren't used for beacons - UI frames are used for beacons. ACK isn't for beacons. Option B (Burst): Incorrect. Burst frames aren't used - UI frames are used for APRS beacons. Burst isn't used. Option D (Connect): Incorrect. Connect frames aren't used for beacons - UI frames are used for beacons. Connect isn't for beacons.
Exam Tip
APRS beacon frame = Unnumbered Information (UI). Think 'A'PRS 'B'eacon = 'U'I frame. APRS beacons use UI (Unnumbered Information) frames. Not ACK, not Burst, not Connect - just UI.
Memory Aid
APRS beacon frame = Unnumbered Information (UI). Think 'A'PRS 'B'eacon = 'U'I frame. APRS beacons use UI (Unnumbered Information) frames. Important for APRS operation.
Real-World Example
APRS beacon data: It's transmitted using Unnumbered Information (UI) frames. UI frames don't require acknowledgement - they're just broadcast. This is appropriate for beacons which are one-way transmissions. This is the frame type - Unnumbered Information frames are used for APRS beacons.
Source & Coverage
Question Pool: 2024-2028 Question Pool
Subelement: E2D
Reference: 2024-2028 Question Pool · E2 - Operating Procedures
Key Concepts
Verified Content
Question from the official FCC Extra Class pool. Explanation reviewed by licensed amateur radio operators and mapped to the E2D topic.