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Diagnostic Tool · The One Nobody Built

SWR Doctor

The #1 thing every CB operator struggles with — and every guide answers with a wall of text. Enter your two SWR readings and get an instant, specific diagnosis: what's wrong and exactly what to do about it. Direct link to this tool →

vs
Under 1.5 — excellent, you're done
1.5–2.0 — acceptable, usable
2.0–3.0 — tune it, degraded performance
Over 3.0 — stop transmitting, you can damage the radio