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Chameleon Knowledge Base · The Complete Online HF Antenna Handbook

CHA HD GUY CLAMP Compatibility and System Integration

CHA HD GUY CLAMP is the two-piece mast ring used to connect the UGS three-line system to larger CFM masts. It creates a deliberate guy point without drilling or improvising attachments on the carbon-fiber tube.

Product Compatibility CHA HD GUY CLAMP Reviewed 2026-07-14
Fit is only the first check: CHA HD GUY CLAMP is the two-piece mast ring used to connect the UGS three-line system to larger CFM masts. It creates a deliberate guy point without drilling or improvising attachments on the carbon-fiber tube.

Documented relationships

  • The clamp is documented with CFM-34, CFM-34HD, and the UGS guy-line system.
  • Its physical diameter range does not approve every mast material or load.
  • The antenna-specific height and guying restrictions still control.
  • Do not substitute generic clamps or fasteners.

Interfaces to verify

  • Choose it for the CFM-34 or CFM-34HD path described by the UGS and mast guides.
  • Confirm the selected mast section is the documented 24-26 mm diameter at the correct guying height.
  • Use all supplied stainless hardware and three carabiners.
  • Do not treat the clamp as a lifting point, antenna bracket, or reason to exceed the mast rating.

What compatibility does not mean

  • A matching thread or tube diameter does not prove structural capacity.
  • A stable mount does not replace the required feed, matching, radiator, or RF-return components.
  • An adapter does not transfer the highest rating of one product to the rest of the chain.
  • Use the exact antenna, height, load, wind, and guying limits from every current guide.
Use the current CHA HD GUY CLAMP instructions.

Open UGS_User_Guide_260525.pdf · Open the product page

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