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Circuit Design

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Experimental Methods in RF Design -- Immerse yourself in the communications experience by building equipment that contributes to understanding basic concepts and circuits.

ARRL's Hands-On Radio Experiments -- Over 60 basic electronics experiments from the pages of QST!

Do-It-Yourself Circuitbuilding for Dummies -- A fun and easy way to start building circuits for your projects!

Power Supply Handbook -- Gain the knowledge and confidence you need to build and use power supplies. A must have for your bookshelf!

ARRL's RF Amplifier Classics -- Turn dreams of constructing your first amp or next brick into reality!

General Class License Manual

Chapter 7 – Propagation

Once a signal is traveling between antennas, how does it get from Point A to Point B? What makes bands open and close? How do the solar cycle and the seasons affect propagation? Section 7 introduces you to the exciting world of HF propagation.

Propagation

Beacon Stations

Solar Activity and Geophysical Information

 

    



Page last modified: 11:08 AM, 07 Jun 2007 ET
Page author: webmaster@arrl.org
Copyright © 2007, American Radio Relay League, Inc. All Rights Reserved.