Spread Spectrum Rule Recommendations

By Phil Karn, KA9Q

What Is Spread Spectrum?

Why Use Spread Spectrum?

Traditional Spectrum Management

Why Tradition Is Wrong!

These Ideas Are Not New!

Why Should We Encourage Amateur Spread Spectrum?

Can't Nearby Spread Spectrum Stations Blanket A Whole Band?

Can't A Whole Bunch Of Spread Spectrum Stations Raise The Noise Floor?

How Do We Promote Efficiency?

Spread Spectrum Power

Forward Error Correction

What Is Eb/N0?

Power Reduction With Forward Error Control

Example: UHF Mobile

Example: HF

Recommended Rule Changes