Online License Course Provides New Teaching Options
Our most recent Technician license class for the Tri-Lakes Monument Radio Association made use of the Ham Radio School online…
Ham Radio School Articles
Discover, think, learn.
Semiconductor Materials
Many modern electronic components are manufactured from semiconductor materials. A semiconductor material has an electrical conductivity somewhere between a great…
Quadrature Modulation
In the world of amateur radio, we use a variety of modulation schemes to encode our voice or digital data…
Speed of Propagation (T3B11)
The technician question pool (2018-2022) item T3B11 asks: What is the approximate velocity of a radio wave as it travels…
Power and Phase
The Technician and General license exams emphasize the concept of impedance matching to achieve maximum power transfer. This is often…
Time & Frequency Domain Signal Views
At Ham Radio School we really believe in the old adage that a picture is worth a thousand words. Visualization…
A Small Solar Power System for Radio Operations
Putting together a small solar power system to power your transceiver is quite simple with modern components, and it is…
Sunspots and Propagation
Here comes the sun! Solar cycle 25 is ramping up beyond expectations at this point in early 2023. The sun…
Variable Propagation Conditions (G3A10)
The 2023-2027 General License question pool inquires about factors effecting propagation of HF signals: G3A10: What causes HF propagation conditions…
Part 15 Devices
Part 15 of Title 47 of the Code of Federal Regulations regulates low power, unlicensed devices that can cause interference…
