• 7 hz antenna - The DXZone Amateur-Radio Guide

      www.dxzone.com/tag-7-hz-antenna/6.html Antennas: 40M. ZMV Spiral antennas - An experimental antenna similar to the TAK spiral antenna was evaluated for SWR response over the frequency range of 7.0 to 7.3 ...
    • 7 hz antenna / 195 Links - Page 5 - The DXZone

      www.dxzone.com/tag-7-hz-antenna/5.html 40 m linear loaded dipole antenna - The K4VX linear-loaded dipole for 7 MHz, simple and practical way to make a short but efficient 40-meter dipole.
    • 7 hz antenna - The DXZone Amateur-Radio Guide

      www.dxzone.com/tag-7-hz-antenna/2.html A 40m Vertical - This antenna is intended as a simple, inexpensive solution for the newcomer to experiment across the 40m band (7.0–7.2MHz) when only restricted ...