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Chameleon Knowledge Base · The Complete Online HF Antenna Handbook

CHA URT1 Field Deployment and Setup Guide

Select one documented URT1 application, mount the compatible tuner securely, keep cable loads off its connectors, connect the exact radiator and RF return, route RF/control conductors as shown, weather-protect the complete assembly, then energize it only after inspection.

Product Installation Guides CHA URT1 Reviewed 2026-07-14
Start with the operating decision: Select one documented URT1 application, mount the compatible tuner securely, keep cable loads off its connectors, connect the exact radiator and RF return, route RF/control conductors as shown, weather-protect the complete assembly, then energize it only after inspection.

How the system behaves

The Tuner Unit and Coupler Unit use a direct coax path that simultaneously carries RF, 12–14 VDC, and tuner control from the bias-T system. Nothing may be inserted in that path. The single-wire beehive and coax ANTENNA outputs are alternatives, not simultaneous generic ports.

The boundary that prevents mistakes

Remove DC and RF before service. Protect the tuner, direct coax/control path, connectors, and ground/return terminal from strain and weather. Treat RF return, equipment bonding, earth safety, and lightning protection as distinct engineered jobs.

Use this field sequence

Begin with 0.5–15 W tuning power and the documented tuner sequence. A successful match confirms tuner range at that moment; it does not prove radiation efficiency, pattern, current control, structural safety, or repeatability after geometry changes.

Source boundary

CHA URT1 User Guide 260524 and Applications Guide 260612. Use the exact current configuration, components, feed, support, geometry, power, and safety limits; mechanical fit does not establish compatibility.

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