Dipole Impedance (G9B08)
The 2019-2023 General License question pool asks about the effects on impedance of moving dipole antenna's feed point: G9B08: How…
Ham Radio School Articles
Discover, think, learn.
Yagi Antenna Driven Element (G9C02)
The 2023-2027 General License question pool seeks the length of a Yagi antenna's driven element: G9C02: What is the approximate…
Log Periodic Antenna (G9D06)
The 2019-2023 General License question pools asks about the advantage of a log periodic antenna: G9D06: Which of the following…
Antenna Q Factor
You’ve probably heard the term “Q factor” tossed around in describing antennas, but maybe you haven’t quite yet picked up…
D-layer Absorption
We learn in Technician Class and General Class studies that the ionosphere’s D layer is created in the daytime by…
Phonetic Alphabets
For clear communications under all conditions, we use a phonetic alphabet for spelling out critical information. Instead of “A B…
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,…
