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Chameleon Knowledge Base · The Complete Online HF Antenna Handbook

Is the CHA LEFS 4010 the Right Antenna for Me?

Is the CHA LEFS 4010 the Right Antenna for Me? should be decided from the operating job and available site—not from wire length or one headline band alone.

Product Selection Buying Guides Reviewed 2026-07-14
In plain language: Is the CHA LEFS 4010 the Right Antenna for Me? should be decided from the operating job and available site—not from wire length or one headline band alone.

The better purchase is the antenna that fits the operator’s recurring job. More wire or a wider frequency label is not automatically more useful.

The CHA LEFS 4010 puts a full 65 ft HF radiator into a compact 1.1 lb package for operators who would rather carry antenna wire than a heavy support system. Its integrated end assembly combines the suspension point, line winder, 49:1 matching network, and both EFHW and dipole feed connections.

What matters for this decision

  • Choose the shortest, lightest system that still supports the required bands and path.
  • Count the actual supports and usable height at the site.
  • Include coax, return conductors, line, stakes, tuner, weather protection, and recovery time in the comparison.
  • Sloper: the fastest field arrangement, using one support with the end assembly around 15–20 ft high and the far end anchored with some sag.
  • Horizontal NVIS: both ends supported around 12–15 ft high for strong high-angle regional work when the band and ionosphere support the path.
  • Half-wave dipole: operator-supplied or optional paired resonant wire sets use the dedicated dipole attachments and dipole coax connector.

Why operators choose this system

For POTA, SOTA, hiking, biking, and temporary HOA operation, its strongest advantage is a complete resonant field workflow: raise the feed assembly, pull out the wire, connect the supplied choked RG-316 when that variant is selected, and operate four popular bands without stopping to adjust the antenna.

Published operating reference

  • Published bands without a tuner: 40, 20, 15, and 10 meters.
  • Published tuner-assisted bands: 30, 17, and 12 meters.
  • Published power: 100 W SSB, 50 W CW, and 25 W digital or other modes.
  • Published size: 65 ft wire, approximately 1.1 lb, one-operator setup around 10 minutes.

Make the next deployment repeatable

Record product revision, configuration, wire dimensions and bearings, endpoint heights, support hardware, return path, coax and choke condition, tuner state, analyzer reference plane, weather, and on-air reports.

Boundary: The optional dipole arms are separate resonant configurations. The 65 ft EFHW wire, the optional dipole sets, and the LEFS 8010 or LEFS FEATHER are not interchangeable merely because they belong to the same product family.
Keep the current guide with the station.

This lesson explains the operating choice in plain language. The current guide still controls assembly, dimensions, power limits, and safety.

Open the LEFS 4010 User Guide 250609 · View the current product page

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