Technician Figure T-1
The 2022-2026 Technician License question pool contains five questions referencing figure T-1 below. Let's get a solid understanding of the…
Ham Radio School Articles
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Series & Parallel Component Calculations (G5C04)
The 2019-2023 General License exam pool requires some calculations of equivalent component values, such as a single component that is…
Digital Signal Processing
Manufacturers love to brag about it… Operators tend to love the convenience of it… But very few beginner amateurs have…
A Simple View of Resonance
A key concept for antennas is the concept of resonance. Here is one simple way of thinking about resonance in…
SWR Perfect Match (T7C04)
The 2022-2026 Technician License Exam question pool asks you to identify the SWR that relates to a perfect impedance match:…
Good SWR & Antenna Resonance
Standing Wave Ratio (SWR) is an important concept that describes how good of a match exists between a transceiver and…
Coaxial Loss (T9B05)
The 2022-2026 Technician License Exam question pool asks how coaxial cable losses and signal frequency are related: T9B05: What happens…
Math Prefixes for Electrical Measures
The 2026-2030 Technician License question pool inquires about those pesky math prefixes used in front of many electrical measurement quantities:…
Ten Uses for a Multimeter
The handheld digital multimeter (DMM) is a basic tool for ham radio applications. It is called a multimeter because it…
SSB Receive Filter Bandwidth
Technician question pool item T4B09 (2018-2022) raises the issue of filters for receiving single sideband signals: T4B09: Which of the…
