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Chameleon Knowledge Base · The Complete Online HF Antenna Handbook

What Is Meteor Scatter?

Learn what meteor scatter propagation is and how amateur radio operators communicate using ionized meteor trails.

Getting Started HF Fundamentals Reviewed 2026-07-14
Short Answer: Learn what meteor scatter propagation is and how amateur radio operators communicate using ionized meteor trails.

Explanation

Overview Meteor scatter is a propagation mode in which radio signals are reflected from the ionized trails created when meteors enter the Earth's atmosphere. These brief ionized paths can support radio communication over distances well beyond normal line-of-sight limits. How It Works As meteors burn up in the upper atmosphere, they leave behind temporary ionized trails. These trails can reflect VHF radio signals for fractions of a second to several seconds, depending on the size of the meteor and atmospheric conditions. Typical Characteristics Very short signal bursts. Best on VHF frequencies. Requires precise timing for many contacts. Often uses specialized digital modes. Common Amateur Bands 6 meters. 2 meters. 70 centimeters (occasionally). Popular Operating Times Major meteor showers. Early morning hours. Periods of increased meteor activity. Applied to Chameleon Products While most Chameleon antenna systems are optimized for HF operation, operators interested in VHF experimentation may encounter meteor scatter as one of several fascinating propagation modes beyond conventional line-of-sight communication. Related Articles What Is Sporadic-E Propagation? What Is Tropospheric Du

The exact result depends on the complete station: frequency, geometry, feed line, matching network, return-current path, environment, operating power, and the reference plane of any measurement. A low SWR establishes an impedance relationship at that point; it does not by itself prove efficiency, radiation pattern, compatibility, or safety.

What to Verify

  • Use the newest official product guide or primary service documentation.
  • Confirm the exact model, revision, components, configuration, and operating conditions.
  • Begin tests at low power and change one variable at a time.
  • Do not infer compatibility from connector or thread fit.

Learn Next

  • Antenna Selection: A Mission-First Decision Guide
  • Engineering Design Tradeoffs in Portable HF Antennas
  • Antenna Measurement Reference Planes
  • Understanding Common-Mode Current

Source note: Independently synthesized with reference to The ARRL Handbook for Radio Communications, 99th edition (2022), and The ARRL Antenna Book for Radio Communications, 24th edition (2019). Verify changing regulations, services, software, specifications, availability, and safety requirements against current primary sources.