40m dipole antenna

Dipole antennas for the 7 MHz band

Plans and projects to do your home made 40 meter dipole antenna
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  • Coaxial-Cable Trap Dipole
    An Attic Coaxial-Cable trap dipole for 10, 15, 20, 30, 40, and 80 meters
  • Trapped dipole for 40-80-160 meters
    Build a space efficient trapped dipole antenna for 40-80-160 meter bands using RG-58 and PVC pipe. The document provides a brief guide on building a compact dipole antenna appropriate for the 40, 80, and 160-meter amateur radio bands. It explains the materials, building processes, and tuning methods required to provide best performance while preserving space. The paper also discusses theoretical elements of dipole antennas, such as impedance matching and feedline selection.
  • VK5AH -HF 4 Bander dipole
    A multiband 80-40-20-15 meters dipole wire antenna that can be extended to cover 160 meters too.
  • Indoor antenna de F6CYV
    The page provides a project for an indoor wire antenna for the 7 MHz band, based on a design by F6CYV. It aims to help amateur radio operators lacking space to set up an antenna for 40 meters. The author shares their experience using the antenna inside an apartment, noting good reception of European signals and contacts with over 150 countries. The project details the materials and dimensions needed for the antenna, along with tips for optimal performance.
  • 40m Short Antenna
    GM4JMU shortened dipole for 40 meters band. This article illustrates in detail how to build a resonant antenna for 7.030 MHz. Cut two 10.25-meter pieces of insulated wire, wind 40 turns of wire onto plastic tubing, and connect the wire to a central insulator using a choke balun built of RG174AU coax and a ferrite toroid. Once built, the antenna is adjusted by altering the wire length to produce the lowest Standing Wave Ratio (SWR) for best performance. The guide emphasizes careful building and adjustment for the best results.
  • Linear-Loaded Dipole for 7 MHz
    A short but efficient dipole for 40 meters band
  • 40 meter shortened dipole - M0MCX
    Interesting little project with a couple of loading coils by M0MCX
  • Shorty Forty Antenna
    Short dipole antenna for 40 meter ham band. Can be put up in the space required for a 20 meter dipole.
  • 40/80 Coil loaded dipole
    A coil loaded dipole antenna for 40 and 80 meters band by I2CN
  • Rotary Dipole for 30 and 40 meters band
    Drawings pictures and notes on a rotary dipole antenna for 30 and 40 meters band
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  • Dipole Antennas
  • 20 meter Dipole Antennas