Technical Articles & Video

Learn about how propagation works and, when to expect good conditions using the A & K index

numbers and other data to help> Click the following link to download the .docx file

HF propagation – the physics


Ever wanted a well explained version of SWR, what it is and how it is measured… this

The electromagnetic spectrum. Sounds grand does it not? take a look at these NASA videos and understand what it is a little better.

Basic Multimedia tutorial

Not a radio related topic but useful to everyone of us with a car. these videos show us how to check on current flowing from the battery in a stand by state leading to a flat battery over time.


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