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Chameleon Knowledge Base · The Complete Online HF Antenna Handbook

How Should I Route My Feed Line?

Route the feed line to protect the cable, preserve antenna geometry, reduce unwanted coupling, and keep RF away from people and station electronics.

Getting Started HF Fundamentals Reviewed 2026-07-14
In plain language: Route the feed line to protect the cable, preserve antenna geometry, reduce unwanted coupling, and keep RF away from people and station electronics.

Why an operator notices it

A coax run is not just a path between two connectors. Move it beside a radiator, radial, metal mast, power cable, or computer lead and the complete antenna can behave differently.

Decisions that matter

  • Leave the feedpoint in the direction and clearance shown by the antenna guide.
  • Avoid tight bends, pinch points, door seals, hot surfaces, moving hardware, and trip paths.
  • Cross other conductors at roughly right angles when separation is limited.

A useful field check

  • Provide strain relief before the first connector.
  • Keep excess cable in a broad, controlled layout rather than a random tight coil.
  • Recheck tuning after final routing because the route is part of the installed environment.

Common wrong turns

  • Letting the connector carry cable weight.
  • Coiling unknown lengths at the feedpoint without considering common-mode behavior.
  • Changing the route after tuning and assuming nothing changed.
Technical foundation

This lesson translates established transmission-line and antenna practice into a field decision. Use the current equipment datasheet and Chameleon product guide for changing loss, power, connector, installation, and compatibility limits.

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