D-layer Absorption
We learn in Technician Class and General Class studies that the ionosphere’s D layer is created in the daytime by…
HF Operations: The Difference with HF
For many newer hams the world of HF operations may seem a strange and mysterious place. There are no comforting…
Split Mode Operations (G4A03)
The 2019-2023 General License question pool asks the meaning of split mode operations: G4A03: What is normally meant by operating…
Maximum Antenna Structure Height (G1B01)
The 2019-2023 General License question pool asks about the maximum allowable height of antenna structures without requiring special registration or…
Ham-speak: Learning the Lingo
Like many specialty endeavors and hobbies, ham radio has developed something of its own language over the decades. While clear,…
Transmitting Privileges (T1E04)
The 2022-2026 Technician License question pool quizzes you on the transmitting privileges of a station based on FCC Part 97…
Tower Grounding (T0B08)
The 2022-2026 Technician License question pool asks about proper methods of grounding an antenna tower to protect against lightning: T0B08:…
Receiver Signal Discrimination (T7A04)
The 2022-2026 Technician License question pool includes a question about the ability of a receiver to discriminate between multiple signals.
