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  1. The EFHW antenna is one of amateur radio’s oldest antenna designs. EFHW stands for “End Fed Half wave” and was first introduced way back in 1927 by the Austrian radio amateur, Dr. Josef Fuchs, …

  2. Par EndFedz® Antennas - DX Engineering

    5 days ago · Par EndFedz® Antennas are End Fed Half Wave (EFHW) antennas with the match box coax connection at the end of the wire, for convenient and quick stealth portable operations. These …

  3. End-Fed Half-Wave Antenna Kit - ARRL

    Unlike the dipole antenna, which is comprised of two quarter-wavelength wires and fed at its center, the EFHW is a half-wavelength antenna with the coaxial cable for your transceiver attached at one end.

  4. The End-Fed Half-Wave (EFHW) Dipole Wire Antenna By T. W. Longfellow, N7TWL June 2023 of an antenna at the amateur radio station is to transmit and receive radio signals. The type and design of …

  5. Boost Your End Fed Antenna with Proper Counterpoise - PA9X

    May 3, 2025 · In this article, we’re specifically talking about half wave end fed antennas (EFHW). In essence, an EFHW is a dipole antenna that’s fed at the end instead of the center. One of its most …

  6. EFHW Antenna - The DXZone.com

    3 days ago · The end-fed halfwave antenna is a resonant half wavelength long antenna like a dipole antenna except for it is fed at its end rather then in the center. This antenna is as old as radio and is …

  7. We are building a 10m thru 20m EFHW which will require just over 30 feet of space. For reference a 40m EFHW takes about 66 feet and 80m EFHW needs 132 feet EFHWs are susceptible to common …

  8. This is exactly the convenience the end-fed half-wave antenna (EFHWA) offers. It does not require an extensive ground like a big ferrous vehicle body, only a short counterpoise wire.

  9. Let's Build an EFHW Antenna - HAM Radio for Non-Techies

    Let's Build an EFHW Antenna If you attended Field Day 2022, you may have been one of the students that learned how to build an end fed half wave Antenna and actually got to build one and take it …

  10. What is an EFHW Antenna? - W0WC

    May 30, 2024 · An End-Fed Half-Wave (EFHW) antenna is a type of wire antenna commonly used in amateur (ham) radio. As its name suggests, it is typically a half-wavelength long at the frequency of …