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Query: multiband delta loop
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A 10-20 meters coverage delta loop antenna. After relocating, DL2HCB designed a multiband loop antenna to cover 10-20m with an open-wire feed for impedance matching and compact installation. Inspired by the mini-X-Q design, a modified 10m delta-loop was built, enhanced with a 1/4 wave shorted stub for 28 MHz using 450-ohm ladder line. The antenna delivers east-west broadside radiation and performs as a closed loop on other bands. Operational tests yielded strong European signals and successful DX contacts, including a 20m QRP QSO with FY/DJ0PJ. -
A complete documentation with pictures and design of a deltaloop antenna and 1:2.5 balun -
IK4DCS experience on maintaining a multiband delta loop antenna for 10/12/20 meters. -
A multiband delta loop antenna made with a random leght wire and a 450 Ohm Balanced line. Antenna tuner is required.