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Query: triangle antenna
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  • G3YXM Small Loop
    4.5/5 (2)
    Antennas > 160M
    G3YXM Small Loop
    This simple antenna is capable of remarkable results on 160, 80 and 40 metres. Forming a triangle from around 50 feet of satellite TV coaxial cable, the top of the triangle can be as low as 15 feet, and the lower side just high enough to prevent a passer by hanging themselves
  • 7 MHz Alumium Delta Loop
    3.3/5 (6)
    Antennas > 40M > 40 meter Delta Loop Antennas
    7 MHz Alumium Delta Loop — JA6RGB
    An inverted triangle Delta Loop Antenna for the 40 meter band made with aluminium pipes, each element is 14,2 meters including a home made aluminium mount.
  • 80m Vertical Loop
    4.0/5 (1)
    Antennas > 80M
    80m Vertical Loop
    The configuration of this antenna is a triangle with apex in the top of a very tall tree. The antenna is fed at a bottom corner using 450 ohm ladder line.
  • OCF Dipoles
    No votes
    Antennas > OCF
    OCF Dipoles
    About windom antennas and OCF dipoles, tricks on covering more bands moving feed-points and potential problems. Problems caused by common mode currents in OCF dipoles
  • Vertical Delta Loops Antennas
    No votes
    Antennas > Delta loop
    Vertical Delta Loops Antennas — ON4UN
    A vertical delta loop is a practical antenna for low bands, popular for its simple design requiring just one support. Its shape, an equilateral triangle in free space, yields optimal gain and radiation resistance. Deviating from this shape lowers performance. The delta loop can be polarized either horizontally or vertically based on the feed point location. In vertical polarization, it acts as two quarter-wave verticals with the baseline feeding one side. This design minimizes radiation from the baseline while maintaining effective operation.