Deep Dive: E3A08
The correct answer is A: The E region. When a meteor strikes the Earth's atmosphere, a linear ionized region is formed at what region of the ionosphere is the E region. Meteors create ionization in the E region. For amateur radio operators, this is important for meteor scatter propagation. Understanding this helps when operating meteor scatter.
Why Other Answers Are Wrong
Option B (F1 region): Incorrect. F1 region isn't where meteors create ionization - E region is where meteors create ionization. F1 region is wrong. Option C (F2 region): Incorrect. F2 region isn't where meteors create ionization - E region is where meteors create ionization. F2 region is wrong. Option D (D region): Incorrect. D region isn't where meteors create ionization - E region is where meteors create ionization. D region is wrong.
Exam Tip
Meteor ionization region = E region. Think 'M'eteor 'I'onization = 'E' region. Meteors create ionization in the E region of the ionosphere. Not F1, not F2, not D - just E region.
Memory Aid
Meteor ionization region = E region. Think 'M'eteor 'I'onization = 'E' region. Meteors create ionization in the E region of the ionosphere. Important for meteor scatter propagation.
Real-World Example
When a meteor strikes the Earth's atmosphere: It creates a linear ionized region in the E region of the ionosphere (approximately 90-120 km altitude). This ionization can reflect radio signals, enabling meteor scatter propagation. This is the region - E region is where meteors create ionization.
Source & Coverage
Question Pool: 2024-2028 Question Pool
Subelement: E3A
Reference: 2024-2028 Question Pool · E3 - Radio Wave Propagation
Key Concepts
Verified Content
Question from the official FCC Extra Class pool. Explanation reviewed by licensed amateur radio operators and mapped to the E3A topic.