The short answer: The CHA CFM-16 creates useful temporary height without turning a portable station into a tower project. It extends to 16 ft 5 in, collapses to 17 in, weighs 18.9 oz, and is designed to support a documented wire-antenna layout from a compact field kit.
What should I decide before buying?
- Choose it when packed length and carry weight matter more than maximum height.
- Use the 3/8-24 base with a sound documented mount such as the CHA SPIKE MOUNT or CHA UCM.
- Keep the supported antenna at or below the published 1 lb mast load and account for wind and leverage.
- Use the tip ring for the wire attachment shown in the antenna guide; it is not a universal top adapter.
What must match during setup?
- The current guide lists Chameleon portable wire configurations that can be suspended from the tip ring.
- The 3/8-24 base proves thread engagement only; the complete mount still needs adequate strength and stability.
- Do not turn the mast into an unintended radiator or substitute it for a required antenna conductor.
- A compatible antenna still needs its own feed line, matching, RF return, strain relief, and safety clearances.
What deserves a stop and recheck?
- Never deploy near power lines or in an uncontrolled fall zone.
- Lower the mast if wind, loading, slipping sections, or a moving mount makes the system unstable.
- Do not exceed the 1 lb published load or add side loads the guide does not authorize.
- Keep people, pets, vehicles, and public paths outside the wire, line, and mast footprint.
How should I put it away?
- Lower from the bottom section upward.
- Wipe away dirt and moisture before collapsing and storing.
- Inspect the 3/8-24 stud, tip ring, section surfaces, and collars after every field session.
- Use only the maintenance products and methods named in the current guide.