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Chameleon Knowledge Base · The Complete Online HF Antenna Handbook

What Is a Drip Loop?

A drip loop is a deliberate downward bend in an outdoor cable that lets water fall away before the cable enters a connector, enclosure, or building.

Getting Started HF Fundamentals Reviewed 2026-07-14
Plain-language answer: A drip loop is a deliberate downward bend in an outdoor cable that lets water fall away before the cable enters a connector, enclosure, or building.

Why it matters in the complete station

Water follows cable jackets and can migrate into coax, connectors, walls, or equipment. The loop works with—not instead of—weather sealing and a suitable entry path.

What to do in the field

Place the low point below the entry or connector, avoid a bend tighter than the cable allows, secure the cable, and inspect after storms.

The common mistake

Pointing a connector upward and expecting tape alone to stop water indefinitely.

Safety boundary

Stop work around power lines, lightning, unstable supports, unsafe wind or ice, damaged components, or uncontrolled public access. Current product guides, component ratings, site rules, electrical code, license conditions, and RF-exposure requirements control the final installation.

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