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General Class

Intermediate license providing expanded HF privileges. Covers more advanced operating procedures, radio wave propagation, and circuit theory. 35 questions, 26 needed to pass.

426 questions | Page 7 of 21
G3A08

How can a geomagnetic storm affect HF propagation?

G3A09

How can high geomagnetic activity benefit radio communications?

G3A10

What causes HF propagation conditions to vary periodically in a 26- to 28-day cycle?

G3A11

How long does it take a coronal mass ejection to affect radio propagation on Earth?

G3A12

What does the K-index measure?

G3A13

What does the A-index measure?

G3A14

How is long distance radio communication usually affected by the charged particles that reach Earth from solar coronal holes?

G3B01

What is a characteristic of skywave signals arriving at your location by both short-path and long-path propagation?

G3B02

What factors affect the MUF?

G3B03

Which frequency will have the least attenuation for long-distance skip propagation?

G3B04

Which of the following is a way to determine current propagation on a desired band from your station?

G3B05

How does the ionosphere affect radio waves with frequencies below the MUF and above the LUF?

G3B06

What usually happens to radio waves with frequencies below the LUF?

G3B07

What does LUF stand for?

G3B08

What does MUF stand for?

G3B09

What is the approximate maximum distance along the Earth’s surface normally covered in one hop using the F2 region?

G3B10

What is the approximate maximum distance along the Earth’s surface normally covered in one hop using the E region?

G3B11

What happens to HF propagation when the LUF exceeds the MUF?

G3B12

Which of the following is typical of the lower HF frequencies during the summer?

G3C01

Which ionospheric region is closest to the surface of Earth?

HAM Test Bank Editorial Team

Licensed Amateur Radio Operators & Volunteer Examiners

Content for General Class exam questions is based on official FCC Part 97 regulations and the NCVEC question pool.